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Rarely Asked Questions
RAQ Issue 191: Point-of-Load DC-to-DC Converters Solve Voltage Accuracy, Efficiency, and Latency Issues
Why use point-of-load (POL) power supplies where the DC-to-DC converter is as close as possible to the load?
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ADALM2000 Activity: MOS Differential Pair
by Doug Mercer and Antoniu Miclaus
ADALM2000 Activity: BJT Differential Pair
by Antoniu Miclaus and Doug Mercer
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VOLUME 55, Number 2VOLUME 55 NUMBER 2
IN THIS ISSUE
Does the Assembly Orientation of an SMPS Inductor Affect Emissions?How to Select and Design the Best RTD Temperature Sensing SystemLow Noise and Low Power DAQ Solution for Seismology and Energy Exploration ApplicationsCTSD Precision ADCs— Part 4: Ease of ADC Input and Reference Drive Simplify Signal Chain DesignOptimizing Power Systems for the Signal Chain—Part 3: RF TransceiversHow A2B Technology and Digital Microphones Enable Superior Performance in Emerging Automotive ApplicationsCTSD Precision ADCs—Part 3: Inherent Alias Rejection Made PossibleOptimizing Power Systems for the Signal Chain—Part 2: High Speed Data ConvertersRF Signal Chain Discourse: Properties and Performance Metrics
VOLUME 55, Number 1VOLUME 55 NUMBER 1
IN THIS ISSUE
Optimizing Power Systems for the Signal Chain—Part 1: How Much Power Supply Noise Is Tolerable?Adding Hysteresis for Smooth Undervoltage and Overvoltage LockoutCTSD Precision ADCs—Part 2: CTSD Architecture Explained for Signal Chain DesignersCTSD Precision ADCs—Part 1: How to Improve Your Precision ADC Signal Chain Design TimeImproving Power Supply Design Using Semi-Automation—Five Steps to Quick and Efficient DesignDC Energy Metering ApplicationsA Practical Method for Separating Common-Mode and Differential-Mode Emissions in Conducted Emissions TestingIt’s Just a Triangle, or What Does a Symbol Really Mean?SFDR Considerations in Multi-Octave Wideband Digital Receivers
VOLUME 54, Number 4VOLUME 54 NUMBER 4
IN THIS ISSUE
The Interleaved Inverting Charge Pump—Part 2: Implementation and ResultsUART: A Hardware Communication Protocol Understanding Universal Asynchronous Receiver/TransmitterAutomotive USB 2.0 and a 5 V, Type-C Solution for Charging and Robust Data Line ProtectionThe Interleaved Inverting Charge Pump—Part 1: A New Topology for Low Noise Negative Voltage SuppliesMultiparameter Vital Signs Monitoring Is Easier Than Ever BeforeNonlinear Simulation of RF IC Amplifiers in Keysight Genesys and SystemVuePeak Current of Isolated Gate Drivers Low Voltage Battery Monitor Floats into High Voltage Electric Vehicles LIDAR for Autonomous System Design: Object Classification or Object Detection?
VOLUME 54, Number 3VOLUME 54 NUMBER 3
IN THIS ISSUE
Multirail Power Supply Design for Successful Application Boards—Part 2: Layout Tips and Tricks Choosing the Best Vibration Sensor for Wind Turbine Condition MonitoringThe A to Z of A2B ApplicationsMultirail Power Supply Design for Successful Application Boards—Part 1: StrategyUsing A2B for Audio-Conferencing SystemsAC and DC Data Acquisition Signal Chains Made EasySolving the Cable TV Infrastructure Downstream Transmitter ChallengeCharacterizing the PSRR of Data Acquisition μModule Devices with Internal Bypass CapacitorsPhased Array Antenna Patterns—Part 3: Sidelobes and Tapering
VOLUME 54, Number 2VOLUME 54 NUMBER 2
IN THIS ISSUE
Using LTspice to Analyze Vibration Data in Condition-Based Monitoring SystemsDC-to-DC Conversion Directly from Automotive Battery Input: 5 A, 3.3 V, and 5 V Supplies Meet Stringent EMI Emission StandardsPhased Array Antenna Patterns—Part 2: Grating Lobes and Beam SquintTiming Challenges in Multiaxis Robotics and Machine Tool ApplicationsAdd an Efficient Positive Rail to a Unipolar Negative SupplyPhased Array Antenna Patterns—Part 1: Linear Array Beam Characteristics and Array FactorFast Reacting, Optical Encoder Feedback System for Miniature Motor Driven ApplicationsLeveraging the On-Chip FIR and IIR Hardware Accelerators on a Digital Signal ProcessorSpeed Up the Design of EMI Filters for Switch-Mode Power Supplies
VOLUME 54, Number 1VOLUME 54 NUMBER 1
IN THIS ISSUE
Contactless Fluid-Level Measurement Using a Reflectometer ChipWhy Does Voltage Reference Noise Matter?Reduce Power Supply Requirements for Ceramic Capacitors with a High Efficiency, High Frequency, Low EMI DC-to-DC ConverterOpen-Source LIDAR Prototyping PlatformProtecting and Powering Automotive Electronics Systems with No Switching Noise and 99.9% EfficiencyWireless Water Quality Monitoring SystemADI SDR Transceivers Enable Amateur Space CommunicationElectric Vehicle Warning Sound SystemParalleling Very Low Dropout Linear Regulators for Increased Output Current and Even Heat Distribution
VOLUME 53, Number 4VOLUME 53 NUMBER 4
IN THIS ISSUE
ADI ToF Depth Sensing Technology: New and Emerging Applications in Industrial, Automotive Markets, and MoreGet Up and Running with LTspice Understanding the Fundamentals of Earthquake Signal Sensing NetworksPart 2: Optimized Sigma-Delta Modulated Current Measurement for Motor ControlDual AMR Motor Position Sensor for Safety Critical ApplicationsSingle IC Can Produce Isolated or Nonisolated ±12 V Outputs from 30 V to 400 V InputHigh Power Density in a Small Form FactorPart 1: Optimized Sigma-Delta Modulated Current Measurement for Motor ControlA Direct Method of Measuring Op Amp Input Differential Capacitance
VOLUME 53, Number 3VOLUME 53 NUMBER 3
IN THIS ISSUE
Newest Sigma-Delta ADC Architecture Averts Disrupted Data Flow When Synchronizing Critical Distributed SystemsDoes My Voltage Reference Design Hold Water? Methods of Managing Humidity and Performance in Precision Analog SystemsIs It Possible to Fit Low EMI Power Supplies onto Crowded Boards?Comprehensive Power Supply System Designs for Harsh Automotive Environments Consume Minimal Space, Preserve Battery Charge, Feature Low EMIHigh Accuracy Resolver Simulator System with Fault Injection FunctionComposite Amplifiers: High Output Drive Capability with PrecisionCan You Really Get ppm Accuracies from Op Amps?JESD204C Primer: What’s New and in It for You—Part 2High Voltage Boost and Inverting Converters for Communications
VOLUME 53, Number 2VOLUME 53 NUMBER 2
IN THIS ISSUE
How Sensor Performance Enables Condition-Based Monitoring SolutionsBipolar, Single Output, and Adjustable Power Supplies Based on the Common Buck ConverterJESD204C Primer: What’s New and in It for You—Part 1Maximize the Performance of Your Sigma-Delta ADC DriverAnalysis of Input Current Noise with Even Harmonics Folding Effect in a Chopper Op AmpThe Evolutionary Path to the 100 A μModule RegulatorMaking Sense of Sounds, or How Analog Devices’ AI Can Boost Your Machine UptimeSigma-Delta ADC Clocking—More Than JitterSilent Switcher Devices Are Quiet and Simple
VOLUME 53, Number 1VOLUME 53 NUMBER 1
IN THIS ISSUE
Finally, A 12 V to 12 V Dual Battery Automotive Bidirectional DC-to-DC Controller for RedundancyLooking Inside Real-Time EthernetStrapdown Inertial Navigation System Based on an IMU and a Geomagnetic SensorSynchronous Boost Converter Powers High Current LEDs Even at Low Input VoltagesSynchronization of Multiaxis Motion Control over Real-Time NetworksHigh Performance Data Converters for Medical Imaging SystemsPhased Array Beamforming ICs Simplify Antenna DesignClock Skew in Large Multi-GHz Clock TreesSimple Battery Charger ICs for Any Chemistry
VOLUME 52, Number 4VOLUME 52 NUMBER 4
IN THIS ISSUE
Remote Sensing Using a High Precision Instrumentation AmplifierProgrammable Gain Instrumentation Amplifiers: Finding One that Works for YouOvercoming Constraints: Design a Precision Bipolar Power Supply on a Simple Buck ControllerFunctional Safety in a Data Acquisition System Care and Feeding of FPGA Power Supplies: A How and Why Guide to SuccessOver-the-Air (OTA) Updates in Embedded Microcontroller Applications: Design Trade-Offs and Lessons LearnedUse of Integrated Passives in Micromodule SIPsModeling and Control for a Current-Mode Buck Converter with a Secondary LC FilterA Large Current Source with High Accuracy and Fast Settling
VOLUME 52, Number 3VOLUME 52 NUMBER 3
IN THIS ISSUE
Automotive USB Type-C Power Solution: 45 W, 2 MHz Buck-Boost Controller in a 1 Inch SquareAntialiasing Filtering Considerations for High Precision SAR Analog-to-Digital ConvertersIntroduction to SPI InterfaceSome Recent Developments in the Art of Receiver Technology: A Selected History on Receiver Innovations over the Last 100 Years60 V and 100 V, Low IQ Boost/SEPIC/Inverting Converters for Compact, Efficient, Low EMI Power SuppliesThe Many Uses of a 200 mA Precision Voltage ReferenceAutomotive Radar Sensors and Congested Radio Spectrum: An Urban Electronic Battlefield?Powering Infotainment Devices in Automotive Start/Stop SystemsPhase-Locked Loop (PLL) Fundamentals
VOLUME 52, Number 2VOLUME 52 NUMBER 2
IN THIS ISSUE
High Speed Amplifier Testing Involves Enough Math to Make Your Balun Spin!LED Driver for High Power Machine Vision FlashIsolated Gate Drivers—What, Why, and How?iCoupler Isolated Communication Solutions for Essential Monitoring of Solar PV and Energy StorageAn Integrated Bidirectional Bridge with Dual RMS Detectors for RF Power and Return-Loss MeasurementSingle, 2 MHz Buck-Boost Controller Drives Entire LED Headlight Cluster Meets CISPR 25 Class 5 EMIMoving Up the Stack Challenges for Measurement Engineering at ADIThe Refulator: The Capabilities of a 200 mA Precision Voltage ReferencePerformance Optimization of Multichannel Data Acquisition (DAQ) Systems: The Untold Story of the Input Settling Time
VOLUME 52, Number 1VOLUME 52 NUMBER 1
IN THIS ISSUE
A Robust Precision Data Acquisition and Control Platform for Extreme High Temperature EnvironmentsVehicle Tracking Systems: Anytime, Anywhere, AnyhowPower Management for FPGAs72 V Hybrid DC-to-DC Converter Reduces Intermediate Bus Converter Size by up to 50%How to Improve the Accuracy of Inclination Measurement Using an AccelerometerSolving IEC System Protection for Analog InputsPreventing Start-Up Issues Due to Output Inrush in Switching ConvertersMUSIC-Based Algorithm for On-Demand Heart Rate Estimation Using Photoplethysmographic (PPG) Signals on WristLow EMI/EMC Emission Switching Converter Eases ADAS Designs
VOLUME 51, Number 4VOLUME 51 NUMBER 4
IN THIS ISSUE
Maximize the Run Time in Automotive Battery Stacks Even as Cells AgeRadically Extending Bandwidth to Crush the X-Band Frequencies Using a Track-and-Hold Sampling Amplifier and RF ADCStrategies for Choosing the Appropriate Microcontroller when Developing Ultra Low Power SystemsPin-Compatible, High Input Impedance ADC Family Enables Ease of Drive and Broadens ADC Driver SelectionHow to Choose Cool Running, High Power, Scalable POL Regulators and Save Board SpaceChoosing the Most Suitable Accelerometer for Your Application—Part 2A Look at the New ANSI/ESDA/JEDEC JS-002 CDM Test StandardChoosing the Most Suitable MEMS Accelerometer for Your Application—Part 1High Precision Voltage Source
VOLUME 51, Number 3VOLUME 51 NUMBER 3
IN THIS ISSUE
GaN Breaks Barriers—RF Power Amplifiers Go Wide and HighIntelligent Video Analytics at the Edge of IoTUncompromising Linearity from the LTC2185 and ADA4927-1Mirror, Mirror on the Wall—Understanding Image Rejection and Its Impact on Desired SignalsWireless Current Sense Circuit Floats with Sense ResistorImproved DAC Phase Noise Measurements Enable Ultralow Phase Noise DDS ApplicationsUltrawideband Digital Predistortion (DPD): The Rewards (Power and Performance) and Challenges of Implementation in Cable Distribution SystemsTransmit LO Leakage (LOL)—An Issue of Zero-IF That Isn’t Making People Laugh Out LoudMEMS Vibration Monitoring: From Acceleration to VelocityMassive MIMO and Beamforming: The Signal Processing Behind the 5G Buzzwords
VOLUME 51, Number 2VOLUME 51 NUMBER 2
IN THIS ISSUE
Understanding and Eliminating 1/f NoisePrecision SPI Switch Configuration Increases Channel DensityFlexible ECG Front-End IC Serves Ultralow Power IoT Edge Node Signal Processing DesignsAnalyzing and Solving Fixed Frequency Spur Issues in High Precision ADC Signal ChainsSometimes, a Signal Needs to Ride the RailsPresto! Multiply Your ADC’s Virtual Channel Count with DDC Magic
VOLUME 51, Number 1VOLUME 51 NUMBER 1
IN THIS ISSUE
Passive Intermodulation (PIM) Effects in Base Stations: Understanding the Challenges and SolutionsAnalyzing and Managing the Impact of Supply Noise and Clock Jitter on High Speed DAC Phase NoiseUnderstanding and Extending Safety Operation in a Sigma-Delta ADCComplex RF Mixers, Zero-IF Architecture, and Advanced Algorithms: The Black Magic in Next-Generation SDR TransceiversHigh Definition, Low Delay, SDR-Based Video Transmission in UAV ApplicationsImproving Precision Data Acquisition Signal Chain Density Using SiP Technology
VOLUME 50, Number 4VOLUME 50 NUMBER 4
IN THIS ISSUE
Next-Generation SAR ADC Addresses Pain Points of Precision Data Acquisition Signal Chain DesignPLC DCS Analog Input Module Design Breaks Barriers in Channel-to-Channel Isolation and High DensityWhat’s Up With Digital Downconverters—Part 2Fully Automatic Self-Calibrated Conductivity Measurement SystemComplete Gas Sensor Circuit Using Nondispersive Infrared (NDIR)Improper Power Sequencing in Op Amps: Analyzing the Risks
VOLUME 50, Number 3VOLUME 50 NUMBER 3
IN THIS ISSUE
Where Zero-IF Wins: 50% Smaller PCB Footprint at ⅓ the CostRF Transceivers Provide Breakthrough SWaP Solutions for Aerospace and DefenseCrossing a New Frontier of Multiband Receivers with Gigasample ADCs—Part OneNew RF DAC Broadens Software-Defined Radio HorizonWhat’s Up With Digital Downconverters—Part 1
VOLUME 50, Number 2VOLUME 50 NUMBER 2
IN THIS ISSUE
Electromagnetic Flow Meters: Design Considerations and SolutionsReplacing Discrete Protection Components with Overvoltage Fault Protected Analog SwitchesOp Amp Input Overvoltage Protection: Clamping vs. IntegratedDesigning for Low Noise Feedback Control with MEMS GyroscopesPractical Filter Design Challenges and Considerations for Precision ADCs
VOLUME 50, Number 1VOLUME 50 NUMBER 1
IN THIS ISSUE
Analog Front-End Design Considerations for RTD Ratiometric Temperature MeasurementsPhase Response in Active FiltersPowering GSPS or RF Sampling ADCs: Switcher vs. LDODesign a PLL Filter When Only the Zero Resistor and Capacitor Are AdjustableFerrite Beads DemystifiedIntegrated Multiplexed Input ADC Solution Alleviates Power Dissipation and Increased Channel Density ChallengesAn Engineering Walk Through Virtual Eval, ADI's Online Data Converter Product Evaluation Tool
VOLUME 49, Number 4VOLUME 49 NUMBER 4
IN THIS ISSUE
New Complete, High Resolution, and Multifunctional Bipolar DACs: an Easy to Use, Universal SolutionFour Quick Steps to Production: Using Model-Based Design for Software-Defined Radio (Part 4)Four Quick Steps to Production: Using Model-Based Design for Software-Defined Radio (Part 3)Versatile, Precision Single-Ended-to-Differential Signal Conversion Circuit with Adjustable Output Common Mode Boosts System Dynamic RangeFour Quick Steps to Production: Using Model-Based Design for Software-Defined Radio (Part 2)Using ESD Diodes as Voltage Clamps
VOLUME 49, Number 3VOLUME 49 NUMBER 3
IN THIS ISSUE
Four Quick Steps to Production: Using Model-Based Design for Software-Defined Radio (Part 1)New Advances in Energy Harvesting Power ConversionAnalyzing Optimizing and Eliminating Integer Boundary Spurs in Phase-Locked Loops with VCOs at up to 13.6 GHzA Low Power Data Acquisition Solution for High Temperature Electronics ApplicationsInterleaving ADCs: Unraveling the MysteriesZero-Drift Amplifiers: Now Easy to Use in High Precision Circuits
VOLUME 49, Number 2VOLUME 49 NUMBER 2
IN THIS ISSUE
Multifunction: a Dilemma or Reality?The Basics of MEMS IMU/Gyroscope AlignmentLow-Power Synchronous Demodulator Design ConsiderationsNo Pain High Gain: Building a Low-Noise Instrumentation Amplifier with Nanovolt SensitivityLiquid Level Sensing Using Capacitive-to-Digital ConvertersRF-Sampling ADC Input Protection: Not Black Magic After All
VOLUME 49, Number 1
VOLUME 48, Number 4VOLUME 48 NUMBER 4
IN THIS ISSUE
Bioimpedance Circuit Design Challenges for Body-Worn SystemsUnderstand Low-Dropout Regulator (LDO) Concepts to Achieve Optimal DesignsWearable Electronic Devices Monitor Vital Signs Activity Level and MoreSynchronous Detectors Facilitate Precision Low-Level MeasurementsADC Modeling Tools Speed Up EvaluationTwo New Devices Help Reinvent the Signal GeneratorRF-to-Bits Solution Offers Precise Phase and Magnitude Data for Material Analysis
VOLUME 48, Number 3VOLUME 48 NUMBER 3
IN THIS ISSUE
Minimum Load Current Operation—Zero-Load OperationConfigure Controller Area Network (CAN) Bit Timing to Optimize PerformanceAsk the Applications Engineer—41: LDO Operational Corners: Low Headroom and Minimum LoadUnderstanding Switching Regulator Output Artifacts Expedites Power Supply DesignAccurate Analog Controller Optimizes High-Efficiency Li-Ion Battery ManufacturingDesigning Robust, Isolated I2C/PMBus Data Interfaces for Industrial, Telecommunications, and Medical ApplicationsDemystifying High-Performance Multiplexed Data-Acquisition Systems
VOLUME 48, Number 2VOLUME 48 NUMBER 2
IN THIS ISSUE
Complex Power-Supply Sequencing Made EasyAn Introduction to MEMS Vibration MonitoringCreative Compensation Enables Tiny Amplifier to Drive 200-mW LoadsSimple Circuit Allows Backward Compatibility for Digital Power ControllersCapacitance-to-Digital Converter Facilitates Level Sensing in Diagnostic SystemsCurrent-Output Circuit Techniques Add Versatility to Your Analog Toolbox
VOLUME 48, Number 1VOLUME 48 NUMBER 1
IN THIS ISSUE
Noise-Reduction Network for Adjustable-Output Low-Dropout RegulatorsPrecision Resolver-to-Digital Converter Measures Angular Position and VelocityA Deeper Look into Difference AmplifiersElectromagnetic Flow Meters Achieve High Accuracy in Industrial ApplicationsHow to Stay Out of Deep Water when Designing with Bridge SensorsDual-Loop Clock Generator Cleans Jitter, Provides Multiple High-Frequency Outputs
VOLUME 47, Number 4VOLUME 47 NUMBER 4
IN THIS ISSUE
FPGA-Based System Combines Two Video Streams to Provide 3D VideoSuccessive-Approximation ADCs: Ensuring a Valid First ConversionHighest Power Density, Multirail Power Solution for Space-Constrained ApplicationsMEMS Microphones, the Future for Hearing AidsSome Tips on Making a FETching Discrete AmplifierHigh-Performance Data-Acquisition System Enhances Images for Digital X-Ray and MRI
VOLUME 47, Number 3VOLUME 47 NUMBER 3
IN THIS ISSUE
Minimizing Errors in Multiplexed 3-Wire RTD Data-Acquisition SystemsHow to Design and Debug a Phase-Locked Loop (PLL) CircuitAmplifier Disable Function Eliminates Need for Multiplexers in Multichannel ApplicationsSystem Demonstration Platform Eases Transition from Evaluation to PrototypingCompensating Current Feedback Amplifiers in Photocurrent ApplicationsReduced Integration Time Improves Accuracy in Dead Reckoning Navigation Systems
VOLUME 47, Number 2VOLUME 47 NUMBER 2
IN THIS ISSUE
Multipliers vs. ModulatorsVoltage Reference Design for Precision Successive-Approximation ADCsProgrammable-Gain Transimpedance Amplifiers Maximize Dynamic Range in Spectroscopy SystemsSafeguard Your RS-485 Communication Networks from Harmful EMC EventsComplete Sensor-to-Bits Solution Simplifies Industrial Data-Acquisition System DesignChoose Resistors to Minimize Errors in Grounded-Load Current Source
VOLUME 47, Number 1VOLUME 47 NUMBER 1
IN THIS ISSUE
Convert a Buck Regulator into a Smart LED Driver, Including DimmingAnalog Devices’ Engineering University—Why YOU Should AttendHDMI Made Easy: HDMI-to-VGA and VGA-to-HDMI ConvertersUnderstanding How Amplifier Noise Contributes to Total Noise in ADC Signal ChainsModeling Amplifiers as Analog Filters Increases SPICE Simulation SpeedThe Successful Implementation of High-Performance Digital Radio
VOLUME 46, Number 4VOLUME 46 NUMBER 4
IN THIS ISSUE
Compensating Amplifiers That Are Stable at Gain ≥ 10 to Operate at Lower GainsFront-End Amplifier and RC Filter Design for a Precision SAR Analog-to-Digital ConverterDetecting and Distinguishing Cardiac Pacing ArtifactsImplementing an Isolated Half-Bridge Gate DriverVersatile, Low-Power, Precision Single-Ended-to-Differential ConverterHART Communication Networks Are Improved by Small, Flexible, Low-Power Modem ICs
VOLUME 46, Number 3VOLUME 46 NUMBER 3
IN THIS ISSUE
Making Batteries Last Longer with Fast, High-Precision SAR Analog-to-Digital-ConvertersIsolation Technology Helps Integrate Solar Photovoltaic Systems onto the Smart GridDesigning Robust Isolated RS-232 Data Interfaces for Harsh Industrial ApplicationsADuC7026 Provides Programmable Voltages for Evaluating Multiple Power Supply SystemsDiagnostic Technique Detects Open and Short Circuits in Wiring HarnessesAnalyzing Frequency Response of Inertial MEMS in Stabilization Systems
VOLUME 46, Number 2VOLUME 46 NUMBER 2
IN THIS ISSUE
Staying Well GroundedOptimize High-Current Sensing Accuracy by Improving Pad Layout of Low-Value Shunt ResistorsADI Capacitance-to-Digital Converter Technology in Healthcare ApplicationsUnderstanding Microphone SensitivitySimple Circuit Provides Adjustable CAN-Level Differential-Output SignalHigh-Temperature Electronics Pose Design and Reliability Challenges
VOLUME 46, Number 1VOLUME 46 NUMBER 1
IN THIS ISSUE
Modern DACs and DAC Buffers Improve System Performance, Simplify DesignLow-Noise, Gain-Selectable AmplifierRobust Amplifiers Provide Integrated Overvoltage ProtectionDesigning a Low-Power Toxic Gas DetectorEfficient FSK/PSK Modulator Uses Multichannel DDS to Switch at Zero CrossingsDDS Devices Generate High-Quality Waveforms Simply, Efficiently, and Flexibly
VOLUME 45, Number 4VOLUME 45 NUMBER 4
IN THIS ISSUE
How to Apply DC-to-DC Step-Up/Step-Down Regulators SuccessfullyOversampled ADC and PGA Combine to Provide 127-dB Dynamic RangeMonitoring and Sequencing in Multirail Power-Supply SystemsFront End Turns PC Sound Card into High-Speed Sampling OscilloscopeS-Parameters Allow High-Frequency Verification of RF Switch ModelsUltrahigh-Performance Differential-Output Programmable-Gain Instrumentation Amplifier for Data Acquisition
VOLUME 45, Number 3VOLUME 45 NUMBER 3
IN THIS ISSUE
How to Apply DC-to-DC Step-Up (Boost) Regulators SuccessfullyPower Management Design for PLLsSystem Demonstration Platform Facilitates Quick Prototyping and EvaluationInsight into digiPOT Specifications and Architecture Enhances AC PerformanceSimple Ambient Light Sensor CircuitDifferential Interfaces Improve Performance in RF Transceiver Designs
VOLUME 45, Number 2VOLUME 45 NUMBER 2
IN THIS ISSUE
AD7879 Controller Enables Gesture Recognition on Resistive Touch ScreensHow to Apply DC-to-DC Step-Down (Buck) Regulators Successfully Low-Power, Unity-Gain Difference Amplifier Implements Low-Cost Current SourceAsk The Applications Engineer—40: Switch and Multiplexer Design Considerations for Hostile EnvironmentsSimple Op Amp MeasurementsHigh-Resolution Temperature Measurement
VOLUME 45, Number 1VOLUME 45 NUMBER 1
IN THIS ISSUE
Activate Cell Phone Indicator LEDs While Preserving Standby TimeMinimizing Noise and Power Consumption in Automotive Audio Systems with SigmaDSPCyclic Redundancy Checking Ensures Correct Data CommunicationsHDMI Transceivers Simplify the Design of Home Theater SystemsLow Dropout Regulators—Why the Choice of Bypass Capacitor MattersElectromagnetic Interference (EMI) Filtering Reduces Errors in Precision Analog Applications
VOLUME 44, Number 4VOLUME 44 NUMBER 4
IN THIS ISSUE
Boost Supply and High-Voltage DAC Provide Tuning Signal for Antennas and FiltersHigh-Side Current Sensing with Wide Dynamic Range: Three Solutions Multichannel DDS Enables Phase-Coherent FSK ModulationInertial Sensors Facilitate Autonomous Operation in Mobile RobotsHigh-Performance Difference Amplifier with Precision Supply-Referenced Level ShiftTwo Ways to Measure Temperature Using Thermocouples Feature Simplicity, Accuracy, and Flexibility
VOLUME 44, Number 3VOLUME 44 NUMBER 3
IN THIS ISSUE
Low-Voltage Current Sink Controls High-Voltage LED StringNew High-Resolution Multiplying DACs Excel at Handling AC SignalsDual Difference Amplifier with On-Chip Resistors Implements Precision ADC DriverPower Cycling 101: Optimizing Energy Use in Advanced Sensor ProductsQuad 16-Bit Voltage-/Current-Output DACs Save Space, Cost, and Power in Multichannel PLCsHigh-Speed, Current-Feedback Amplifier Drives and Equalizes Up to 100-m VGA Cables
VOLUME 44, Number 2VOLUME 44 NUMBER 2
IN THIS ISSUE
Differential-Output Difference Amplifier System with G = 1/2Full-Featured Pedometer Design Realized with 3-Axis Digital AccelerometerUltralow Distortion Audio Panpot AmplifierSynchronous Inverse SEPIC Topology Provides High Efficiency Buck/Boost Voltage ConvertersMore Value from Your Absolute Value Circuit—Difference Amplifier Enables Low-Power, High-Performance Absolute Value CircuitThe 20-Bit DAC Is the Easiest Part of a 1-ppm-Accurate Precision Voltage Source
VOLUME 44, Number 1VOLUME 44 NUMBER 1
IN THIS ISSUE
Free and Open-Source Software—An Analog Devices PerspectiveAsk The Applications Engineer—39: Zero-Drift Operational AmplifiersNew Touch-Screen Controllers Offer Robust Sensing for Portable DisplaysDriving PIN Diodes: The Op-Amp AlternativeTermination of High-Speed Converter Clock Distribution DevicesADIsimPower Provides Robust, Customizable DC-to-DC Converter Designs
VOLUME 43, Number 4VOLUME 43 NUMBER 4
IN THIS ISSUE
Using Isolated RS-485 in DMX512 Lighting ApplicationsDesigning High-Performance Phase-Locked Loops with High-Voltage VCOsAutomobile Tail Lamp and Brake Lamp ControllerAdjustable-Gain Difference Amplifier Circuit Measures Hundreds of Volts, Rejects Large Common-Mode SignalsSynchronizing Device Clocks Using IEEE 1588 and Blackfin Embedded ProcessorsIsolation in High-Voltage Battery Monitoring for Transportation Applications
VOLUME 43, Number 3VOLUME 43 NUMBER 3
IN THIS ISSUE
Difference Amplifier Forms Heart of Precision Current SourceHow to Successfully Apply Low-Dropout RegulatorsPhase Response in Active Filters Part 2, the Low-Pass and High-Pass ResponseThe Basics of Video Decoders in Supervision and InspectionMeasuring Noise of Low-Fixed-Gain Differential AmplifiersDetecting Human Falls with a 3-Axis Digital Accelerometer
VOLUME 43, Number 2VOLUME 43 NUMBER 2
IN THIS ISSUE
Automated Calibration Technique Reduces DAC Offset to Less than 1 mVSkin Impedance Analysis Aids Active and Passive Transdermal DeliveryAccelerometers—Fantasy & RealityDigital Isolator Simplifies USB Isolation in Medical and Industrial Applications"Rules of the Road" for High-Speed Differential ADC DriversNotch Filter Reduces Amplifier Peaking and Increases Gain FlatnessPLC Evaluation Board Simplifies Design of Industrial Process-Control systems
VOLUME 43, Number 1VOLUME 43 NUMBER 1
IN THIS ISSUE
Analog Microcontroller Forms Heart of Low-Cost, High-Efficiency PA MonitorReconstruct a DAC Transfer Function from its Harmonic Spectral ContentSonic Nirvana: Using MEMS Accelerometers as Acoustic Pickups in Musical InstrumentsThis Should Work: Thermistor Senses Liquid LevelsSmart Metering Technology Promotes Energy Efficiency for a Greener WorldLow-Cost Video Multiplexing Using High-Speed AmplifiersEqualization and Pre-Emphasis Enable Use of 30-Meter Cat-5 UTP Cable
VOLUME 42, Number 4VOLUME 42 NUMBER 4
IN THIS ISSUE
Architecting a Multi-Voltage JTAG Chain8-channel data-acquisition system uses single ADC driverAnalog Front End for 3G Femto Base Stations Brings Wireless Connectivity HomeImplementing In-Application Programming on the ADuC702xResidual Phase Noise Measurement Extracts DUT Noise from External Noise SourcesAdding Test Capability to a Window ComparatorProtecting Off-AmpsDesign, Simulate, and Document Proprietary Wireless Systems
VOLUME 42, Number 3VOLUME 42 NUMBER 3
IN THIS ISSUE
Considering Multipliers (Part 1) [The Wit and Wisdom of Dr. Leif—7]Maintaining Public Railways with Lower Cost and Improved SafetyLinear Variable Differential TransformersImpedance Measurement Monitors Blood CoagulationFingerprint Sensor and Blackfin Processor Enhance Biometric-Identification Equipment Design
VOLUME 42, Number 2VOLUME 42 NUMBER 2
IN THIS ISSUE
Open-Loop Calibration Techniques for Digital-to-Analog ConvertersNoise Figure and Logarithmic Amplifiers [The Wit and Wisdom of Dr. Leif—6]Inexpensive High-Speed Amplifiers Make Flexible Clock BuffersAC Shield Enhances Remote Capacitive SensingUnderstanding Hot Swap: Example of Hot-Swap Circuit Design ProcessDiscrete- and Integrated Control of Power Amplifiers in Base-Station Applications
VOLUME 42, Number 1VOLUME 42 NUMBER 1
IN THIS ISSUE
The Contaminator of Signals: High-Frequency Common-Mode-Generated ErrorsCooking Inductively: ADI iCoupler Technology Isolates the Hob and the User InterfaceBIST for Analog WeeniesADuC702x Analog Microcontroller Generates Programmable Digital WaveformsAnalog-to-Digital Converter Clock Optimization: A Test Engineering PerspectiveLeif's Teaser Number 1—Infinite Bandwidth Op Amp with Limited Bandwidth FeedbackPulse Oximeter Uses ADuC7024 MicroConverterMeasuring Ambient TemperatureHigh-Side Current Sensing: Difference Amplifier vs. Current-Sense Amplifier
VOLUME 41, Number 4VOLUME 41 NUMBER 4
IN THIS ISSUE
IC provides temperature, bias, and gain in single-supply applicationsProviding an Edge in Capacitive Sensor ApplicationsDC-to-DC Switching-Regulator Insights—Achieving Longer Battery Life in DSP SystemsESD Diode Doubles as Temperature SensorBroadband I/Q Modulator Eases Radio DesignAsk The Applications Engineer—38: Better, Faster Open-Loop Gain MeasurementPhase Relations in Active FiltersData Converter Function Can Help Solve Cost and Size Design Challenges in 3G and 4G Wireless InfrastructureSolving Dynamic Range Problems in Analog Systems
VOLUME 41, Number 3VOLUME 41 NUMBER 3
IN THIS ISSUE
Highly Integrated, Programmable Single-Component Sensors for Industrial System DesignToward More-Compact Digital MicrophonesData and Power Isolation in One Package Provides Total Isolation SolutionBoost Precision and Accuracy with Single Chip Capacitance- and Impedance-to-Digital ConvertersSingle-Chip Clock Generator with 14-Channel Distribution Solves Timing Challenges in NetworksIf All Else Fails, Read This Article. Avoid Common Problems When Designing Amplifier Circuits8-Channel, 12-Bit, 10-MSPS to 50-MSPS Front End: The AD9271—A Revolutionary Solution for Portable Ultrasound
VOLUME 41, Number 2VOLUME 41 NUMBER 2
IN THIS ISSUE
High-Speed DAC Controls Power Amplifier Ramp ProfileReducing Ground Bounce in DC-to-DC Converters—Some Grounding EssentialsAmplifier Input Protection... Friend or Foe?Ask The Applications Engineer—37: Low-Dropout RegulatorsMotionless Bandwidth Test for MEMS SensorsElements of Motion: 3D Sensors in Intuitive Game Design
VOLUME 41, Number 1VOLUME 41 NUMBER 1
IN THIS ISSUE
Enhancing the Performance of Pedometers Using a Single AccelerometerHigh-Speed Time-Domain Measurements—Practical Tips for ImprovementAsk The Application Engineer—36: Wideband A/D Converter Front-End Design Considerations II: Amplifier-or Transformer Drive for the ADC?Measuring PCB TemperatureHigh-Performance Multichannel Power-Line Monitoring with Simultaneous-Sampling ADCs
VOLUME 40, Number 4VOLUME 40 NUMBER 4
IN THIS ISSUE
Digital Isolation Offers Compact, Low-Cost Solutions to Challenging Design ProblemsLens Drivers Focus on Performance in High-Resolution Camera ModulesD-Day (continued) [The Wit and Wisdom of Dr. Leif—5]Ask The Application Engineer—35 Capacitance Sensors for Human Interfaces to Electronic Equipment
VOLUME 40, Number 3VOLUME 40 NUMBER 3
IN THIS ISSUE
Fast, Versatile Blackfin® Processors Handle Advanced RFID Reader ApplicationsPrecision Signal-Processing and Data-Conversion ICs for PLCs Now Have More Performance at Less Power, Size, and CostD-Day [The Wit and Wisdom of Dr. Leif—4]Wideband A/D Converter Front-End Design Considerations: When to Use a Double Transformer Configuration
VOLUME 40, Number 2VOLUME 40 NUMBER 2
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VOLUME 39, Number 3VOLUME 39 NUMBER 3
VOLUME 39, Number 2
VOLUME 39, Number 1
VOLUME 38, Number 4VOLUME 38 NUMBER 4
VOLUME 38, Number 3
VOLUME 38, Number 2VOLUME 38 NUMBER 2
IN THIS ISSUE
Ask The Application Engineer—32: Practical Techniques to Avoid Instability Due to Capacitive LoadingBridge-Type Sensor Measurements are Enhanced by Autozeroed Instrumentation Amplifiers with Digitally Programmable Gain and Output OffsetCurrent Measurement in Solenoids for Automotive Control Systems
VOLUME 38, Number 1VOLUME 38 NUMBER 1
VOLUME 37, Number 4
VOLUME 37, Number 3
VOLUME 37, Number 2VOLUME 37 NUMBER 2
IN THIS ISSUE
Solving Power-Management Problems with a Single Chip that Handles up to 7 Channels of Sequencing, Monitoring, and SupervisionFast-Locking, High Sensitivity Tuned-IF Radio Receiver Achieved with a 7-GHz SynthesizerCompact Web Manufacturing Process Defect-Detection System Uses a Camera and ADI Blackfin® ProcessorAsk The Applications Engineer—31: Amplifiers as Comparators?
VOLUME 37, Number 1
VOLUME 36, Number 2
VOLUME 36, Number 1VOLUME 36 NUMBER 1
IN THIS ISSUE
Versatile Mixed-Signal Front Ends Speed Customized Design of Wireline Broadband Modems and Home NetworksInterfacing a Blackfin DSP to High-Speed Converters for Wireless ApplicationsSimplify Audio Setups with a SigmaDSP™ Pre-Programmed Fully Configurable Digital Audio ProcessorX-Amp™, A New 45-dB, 500-MHz Variable-Gain Amplifier (VGA) Simplifies Adaptive Receiver Designs
VOLUME 35, Number 1VOLUME 35 NUMBER 1
VOLUME 34, Number 1
VOLUME 33, Number 1VOLUME 33 NUMBER 1
IN THIS ISSUE
Phase-Locked Loops for High-Frequency Receivers and Transmitters - Part 1Ask The Applications Engineer—28: Logarithmic Amplifiers ExplainedAsk The Applications Engineer—27: Signal Corruption in Industrial MeasurementAll-Electronic Power and Energy MetersA Chip You Can Use to Monitor Environmental Conditions on PC Motherboard DesignsDual Axis, Low g, Fully Integrated Accelerometers
VOLUME 32, Number 1
VOLUME 31, Number 3VOLUME 31 NUMBER 3
IN THIS ISSUE
Innovative Mixed-Signal Chipset Targets Hybrid-Fiber Coaxial Cable ModemsPowerful Design Tools for Motion Control ApplicationsSelecting Mixed-Signal Components for Digital Communications Systems—Part VDSP 101 Part 3: Implement Algorithms on a Hardware PlatformAsk The Applications Engineer—26: Switches and Multiplexers
VOLUME 31, Number 2VOLUME 31 NUMBER 2
IN THIS ISSUE
Why use a DSP? [Digital Signal Processing 101-An Introductory Course in DSP System Design-Part 2]Ask The Applications Engineer-25: Op Amps Driving Capacitive Loads14-Bit Monolithic ADCs: First to Sample Faster than 1 MSPSQuad-SHARC DSP in Ceramic Quad Flatpack200-MHz 16 x 16 Video Crosspoint Switch ICSelecting Mixed Signal Component for Digital Communications Systems IV: Receiver Architecture ConsiderationsLi-Ion Battery Charging Requires Accurate Voltage Sensing
VOLUME 31, Number 1VOLUME 31 NUMBER 1
IN THIS ISSUE
Build a Smart Analog Process-Instrument Transmitter with Low-Power Converters and a MicrocontrollerController Board System Allows For Easy Evaluation Of General-Purpose ConvertersDSP 101 Part 1: An Introductory Course in DSP System DesignSelecting Mixed Signal Components for Digital Communication Systems—III: Sharing the ChannelAsk The Applications Engineer–24: Resistance
VOLUME 30, Number 4VOLUME 30 NUMBER 4
IN THIS ISSUE
Advanced Digital Video EncodersEMC, CE Mark, IEC801: What's it all about?Selecting Mixed-Signal Components for Digital Communication Systems-IIFor Efficient Signal Processing in Embedded Systems, Take a DSP, not a RISCAsk The Applications Engineer-23: Current Feedback Amplifiers IIVoltage Regulators for Power ManagementSingle- and Dual-Axis Micromachined Accelerometers
VOLUME 30, Number 3VOLUME 30 NUMBER 3
IN THIS ISSUE
Single-Chip Direct Digital Synthesis vs. the Analog PLLBuffered Multiplexers for Video ApplicationsDACs are Optimized for Communication Transmit PathAsk The Applications Engineer-22: Current Feedback Amplifiers ISelecting Mixed-Signal Components for Digital Communication Systems—An Introduction
VOLUME 30, Number 2VOLUME 30 NUMBER 2
IN THIS ISSUE
Industry's First Integrated Wavelet Video Codec Sets New Standards for Cost, Image Quality and FlexibilityDSP and motor-control chips simplify DSP-based AC motor control hardwareSingle-Chip Digital Stereo SubsystemAudio Noise-Reduction ICA Bibliography on EMC/EMI/ESDAsk The Applications Engineer–21: Capacitance And Capacitors
VOLUME 30, Number 1VOLUME 30 NUMBER 1
IN THIS ISSUE
Battery Discharge Power And EnergyRead-Channel Processor Uses PRML to Increase Capacity of MR Head-Based Disk DrivesConsiderations In Designing Single Supply, Low-Power Systems Part II: Battery Powered SystemsDigital-Output Sensor Simplifies Temperature AcquisitionAsk The Applications Engineer—20: Interfacing To Serial Converters-IINew Fixed-Point DSP Family Provides High-Performance Processing of Concurrent Signals Single-Chip PC Sound System
VOLUME 29, Number 3VOLUME 29 NUMBER 3
IN THIS ISSUE
Considerations In Designing Single Supply, Low-Power Systems Part I: Designs Using Ac Line PowerLow-Power, Low-Voltage IC Choices for ECG System RequirementsVery Low Voltage, Micropower Amplifiers (V, (S)< 3 V, I(SY) < 500 µA)Single-Supply Acceleration-to-Frequency CircuitsAsk The Applications Engineer—19: Interfacing To Serial Converters-I10-Bit Quad DACs for Single-Supply 3.0 V to 5.5 V Operation
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IN THIS ISSUE
Two-Stage Current-Feedback AmplifierApplication Example—ADC DriverNew High-Speed, Low-Power Data-Acquisition ICsSingle-Supply IF-Strip Digitizes QAM SignalsA Pipelined Converter (AD876)Using Histogram Techniques to Measure A/D Converter NoiseAD607 ArchitectureChoosing High-Speed Signal Processing Components for Ultrasound SystemsWideband Radios Need Wide Dynamic Range ConvertersAsk the Applications Engineer—18: Settling Time
VOLUME 29, Number 1VOLUME 29 NUMBER 1
IN THIS ISSUE
Wideband Supply Current-feedback Op AmpHighly Integrated Stereo Codec ICs Drive MultimediaDesign Circuits with Digitally Controllable Variable ResistorsMicromachined Complete-on-a-Chip SensorDSP Family Adds 3.3 V OperationAbout Ratiometric ConvertersAsk the Applications Engineer-17: Must a 16-bit Converter Settle to 16 ppm?Understanding High-speed Clamp Amps
VOLUME 28, Number 3VOLUME 28 NUMBER 3
IN THIS ISSUE
High-speed A/D Converters for Communications12-bit Dual DAC: Serial, Single Supply Saves Space16-bit Fixed-point DSP with 80 kBytes of RAMLow-cost 16-bit DAC Updates at 30 MHz8-bit, 16-channel Voltage-output DACsTechniques to Protect Amplifiers from OvervoltageDSP Cluster Multi-processingDSP On-chip SRAM Design ConsiderationsVoltage-feedback Op Amps Offer Accurate ClampingFloating-point DSP Leads in Performance
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VOLUME 28, Number 1VOLUME 28 NUMBER 1
IN THIS ISSUE
Intelligent Digitizing Signal Conditioner IC for SensorsDual Set-Point Single-Chip Temperature ControllerAsynchronous Sample-rate ConvertersIC Vector Processor for Motor ControlGetting the Most from IC Voltage ReferencesMicroprocessor Supervisory ICsLVDT Interfaces Offer Choice of Analog or Digital OutputLow-distortion Mixer: +24 dBm 3rd-order InterceptInstrumentation Applications for Sigma-Delta ADCsGSM Chipset Implements All Baseband FunctionsSerial Input 16-bit DAC Has Choice of RangesAsk the Applications Engineer—15: Using Sigma-Delta Converters, Part 1
VOLUME 27, Number 2VOLUME 27 NUMBER 2
IN THIS ISSUE
Surface-machined Monolithic Accelerometer"Uncommon-mode" High-speed Video Feedback AmplifierCMOS 10-bit 15 MHz ADC for Imaging ApplicationsHigh-performance ICs in Single-supply Analog CircuitsFast, Accurate, Monolithic Sampling A/D ConverterVideo RAM-DACs Offer True-color Screen ImagesIncrease Laser Printer Resolution Use Analog I/O Ports as Infinite Sample/Holds and Peak FollowersDesign Ideas for Sigma-Delta Instrumentation ADCsAsk the Applications Engineer—14: High Frequency Signal Contamination
VOLUME 27, Number 1VOLUME 27 NUMBER 1
IN THIS ISSUE
SoundPort Codecs: Complete Audio I/O Subsystem ICs3V Supply 12-bit Multi-channel Data Acquisition System Samples at 50 kHzADI's Smallest, Lowest-cost, Signal Conditioning Modules for Process ControlFast, Accurate, Timing Recovery for Fiber Optics LinksLow-noise, Low-drift, Precision Op Amps for InstrumentationTwo Op Amp Types Combine Precision and Wide BandwidthOp Amps in Line-driver and Receiver Circuits – Part 2Four New Wideband Op Amps for Video, Imaging, and Much MoreAsk the Applications Engineer-13: Confused About Amplifier Distortion Specs?What's New in DSPMonolithic 80-dB +5 V Single-supply Log Amp Has 50-MHz Frequency RangeComplete 12-bit and 10-bit 25.6 MSPS A/D Converters
VOLUME 26, Number 2VOLUME 26 NUMBER 2
IN THIS ISSUE
Low-noise, Wideband Voltage-controlled Amplifier with "Linear-in-dB" GainSingle- or Dual-supply Difference Amplifier's Common-mode Range Exceeds Supply3-V Precision Op Amps from Analog DevicesSignal Computing: Hardware Chipsets & Signal-processing Algorithms CombinedOp Amps in Line Driver and Receiver Circuits – Part 1Dual Op Amp Has Low-noise and DissipationAsk the Applications Engineer—12: Grounding (Again)Decreasing Size, More-Demanding Performance Pace Disk-Drive IC DesignWhy Do You Say That the Clock of a System is a Reference?Low-cost 12-bit IC Resolver-to-Digital Converter Emulates Optical Encoder
VOLUME 26, Number 1VOLUME 26 NUMBER 1
IN THIS ISSUE
IF Stages are Going Digital for Both Analog and Digital SignalsMonolithic Sigma-Delta A/D Converters Offer 21-bit ResolutionApplying a High-performance Video Operational AmplifierAn Analog Multiplier SPICE MacromodelAsk the Applications Engineer—11: How Good Must a Voltage Reference Be?
VOLUME 25, Number 2VOLUME 25 NUMBER 2
IN THIS ISSUE
Numerical C Speeds Code Development and ExecutionSingle-supply In-amp for Automotive ApplicationsDevelopment Tools and Third-party Support for Floating-point DSPFloating-point DSP for High Speed Signal ProcessingMonolithic 10-bit, 18 MSPS Sampling A/D Converter with On-chip Track-HoldDisk-drive ICs - Optimized for Read-channel and Servo Loop Control3 New S/H Chips for Fast, Accurate Data AcquisitionComplete 16-bit DACPORT in SOIC Package Includes On-chip 10-V ReferenceAdvanced SPICE Op-amp Macromodel: A Powerful Tool for DesignersAsk the Applications Engineer—10: About WireFET-input Op Amp Has Lowest Combined V and I NoisePhase Accumulator for Direct Digital Synthesis Resolves to Within 0.7 HzSerial IC Analog I/O Port: 14-bit Performance and Small Package
VOLUME 25, Number 1VOLUME 25 NUMBER 1
IN THIS ISSUE
Automotive Sensor Detects Lamp and Indicator Failures AutomaticallyDolby Pro-logic Surround Sound Decoder for Audio RealismMonolithic 16-bit Voiceband Codec Uses Sigma-Delta TechnologyFast 14-bit ADC Samples at 10 MSPS, Has 50-MHz BandwidthSampling 12-bit ADC: Faster, Better, and CheaperA Quarter-Century of Analog DialogueAsk the Applications Engineer—9: Seminars and Support
VOLUME 24, Number 3VOLUME 24 NUMBER 3
IN THIS ISSUE
First Monolithic Triple 10-bit Video DACs Provide True ColorRAM-DAC Upgrade Enhances VGA GraphicsMixed-signal ASICs Offer Designers an Alternative SolutionDSP Enhancements Include IC Processors, Development ToolsComplete Monolithic Current TransformerElectronic Adjustment Made Easy with TrimDACAsk the Applications Engineer—8: Op-Amp Issues
VOLUME 24, Number 2VOLUME 24 NUMBER 2
IN THIS ISSUE
Peak Detector Circuit Captures 200-ns PulsesLow-dissipation Multiple Line Drivers/ReceiversMixed-signal Processor Merges DSP with A/D, D/A Converters3/4 GHz Monolithic Unity-gain Buffer for Analog SignalsMeasuring Amplifier Differential Gain and Phase AccuratelyCurrent-output Module Augments 6B SeriesIndustrial Process Controller IC is Programmable in C Monolithic 12-bit High-speed A/D Converter OptionsAsk the Applications Engineer—7: Op-amp Noise
VOLUME 24, Number 1VOLUME 24 NUMBER 1
IN THIS ISSUE
Application Decides Optimal DSP Processor ArchitectureFastest 10-bit ADCs Provide Superior Dynamic PerformanceMonolithic Op Amps Have Wide Bandwidth, Low Distortion14-bit, 2-Channel Synchro/Resolver-to-Digital Converter12-bit, 100-kSPS Complete Sampling A/D Converter IC Isolation Amplifiers for Low-level SignalsReal-world Interface Cards for Micro-channel SystemsAsk The Applications Engineer—6: Op Amp Issues: Why are There so Many Types of Op Amps?Computer Interface Panel Handles Eight Analog Outputs
VOLUME 23, Number 4VOLUME 23 NUMBER 4
IN THIS ISSUE
High-speed Automatic Testing for Advanced Components8-bit Analog I/O Port for Position Monitoring and ControlFloating-point Data Acquisition System12-bit DACs Optimized for Direct Digital SynthesisIndustry's Fastest Monolithic FET-input Op AmpHigh-performance Electrometer Op Amp in 8-pin Plastic DIPComplete Monolithic 12-bit DAC Interfaces with Fast DSPsDistributed Data Acquisition and Control FlexibilityMonolithic Dual 12-bit DACPORTs Save Space, Power, CostUltrafast Monolithic Single and Dual TTL ComparatorsFast Precise Comparator Has Differential Input RangeAsk the Applications Engineer—5: High-speed Comparators Provide Many Useful Circuit Functions
VOLUME 23, Number 3VOLUME 23 NUMBER 3
IN THIS ISSUE
8-bit Flash A/D Converters Encode at up to 300 MSPSGrounding for Low- and High-frequency CircuitsMonolithic DC-to-120-MHz Log-amp is Stable and Accurate22-bit A/D Converter Evaluation Board for the PCA Pair of 16-bit-Performance Sample-Hold AmplifiersRatiometric 16-bit LVDT-to-Digital ConverterIC LVDT Conditioner is Insensitive to Usual Error Sources14-bit 100 kSPS Monolithic Sampling A/D ConvertersAsk the Applications Engineer—4: Disk-based Component Selection Guide Seeks Best ChoicesPortable µP-controlled Synchro Simulator and TesterCPU, Software & I/O Integrated in Distributed Control
VOLUME 23, Number 2VOLUME 23 NUMBER 2
IN THIS ISSUE
Converter/Filter Chipset for Voiceband ApplicationsAdvanced Microcomputer is Optimized for DSP6-bit Monolithic Flash ADCs Sample at up to 500 MHzFastest Slewing Monolithic Op Amp has Wide BandwidthIsolated Strain-gage Chipset Module Joins 5B Conditioner FamilyEnhancements to LTS-2020 Benchtop IC TestersAsk The Applications Engineer—3: V/F ConvertersFast, Low-power Op Amps Offer Gain-bandwidth Choice
VOLUME 23, Number 1VOLUME 23 NUMBER 1
IN THIS ISSUE
High-accuracy, Widest Bandwidth IC Analog MultiplierReference Maximizes Resolution with 12-V SuppliesSensor-to-Serial Communications with a ScrewdriverUltra-high-speed Phase Discriminator Has no Dead ZoneDual Bipolar Op Amp Provides Superior Matching of SpecsNew 12-bit Sampling ADCs Digitize Fast AC WaveformsIsolated mV/TC Conditioner Has High Gain, Low Drift4 Sample/Holds on a Chip with 1-µs Max Acquisition TimeAsk the Applications Engineer—2: When it Comes to Trimming Offset and Gain...
VOLUME 22, Number 2VOLUME 22 NUMBER 2
IN THIS ISSUE
Evaluation Board Explores Capabilities of 8-Bit AD770200-MSPS 8-bit IC A/D Converter Has 250-MHz Bandwidth4-Channel Video Multiplexer Sustains 30-MHz BWHigh-Volume Automatic Testing of IC Flash ConvertersOp Amps Combine Superb DC Precision and Fast SettlingFirst Complete Low-Cost 12-Bit IC MDAC Has On-Chip Amplifier12-Bit Monolithic ADC Samples at up to 100 kHz3 Analog and Digital I/O Boards for the PS/2 Micro ChannelQuad Precision BiFET Op Amp Has Superior AC and DC SpecsMonolithic Serial 12-Bit ADC Converts in 10 MicrosecondsVoltage-to-Current Isolator Also Supplies Loop PowerAsk the Applications Engineer—1: Log Compensation Resistors12-Bit, 10-MSPS Sampling ADC in a DIP
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IN THIS ISSUE
Low-Cost True-RMS Chips also Compute AC AveragePrecision Bipolar Op Amp Has Lowest Drift, OffsetDisk-Read ICs Condition and Deliver Bits at 50 Mbits/s12-Bit ADCs for DSP Provide Complete InterfaceTrue 18-Bit DAC in Hybrid Package Has Small Size, Low CostMonolithic Digitally Programmable Delay Generator15 New CMOS Switches and Muxes in Convenient VarietyFaster DSP µP: 1,024-Point Radix-4 FFT in 3.0 msFast Monolithic Log Amp with Better than 250-MHz BWMonolithic 12-Bit Quad Readback DAC Saves Board SpaceCMOS Video DACs Provide Memory, Interface, 3 OutputsNew Enhancements to LTS-Series of Benchtop IC TestersAD652: Improved Monolithic Synchronous V/F ConverterChoose VMEbus Video Digitizer Boards to Match SourceVoltage-to-Current Isolator Provides High Accuracy12-Bit Monolithic ADC Guarantees 3-µs Conversion TimeData Acquisition and Control Software for PC Plug-Ins
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IN THIS ISSUE
Monolithic Software-Programmable-Gain AmplifierMonolithic 10-Bit, 20-µs Sampling A/D ConverterMonolithic DAC Combines Speed and AccuracyComplete Monolithic 8-Bit 400-kSPS Analog I/O System22-Bit Complete Modular Integrating A/D ConverterFast, Accurate BiFET Op Amp Settles to 0.01% in 900 ns maxPlug-In Boards Add Power and Versatility for VMEbus Users8-Bit Video Digitizer for Cameras Includes Control SignalsTwo New High-Precision Monolithic Voltage ReferencesTwo New Multiple M-DACs Save Space and Power in Board DesignsHigh-Speed Single and Dual Monolithic Latching Comparators64-Bit Floating-Point Chipset with 40-MFLOPS ThroughputHigh-Resolution Monolithic Resolver-to-Digital ConverterFast-Settling 12-Bit DAC Provides 40-ns µP InterfacingHigh-Performance Analog Input Boards for IBM PC-ATMonolithic Electrometer Has 60 fA max Bias Current
VOLUME 21, Number 1VOLUME 21 NUMBER 1
IN THIS ISSUE
8-Bit ADC with 150-MSPS Encode RateMonolithic IC for Process-Control Transmitters16 x 16-Bit Multiplication in 15 ns8-Bit, 300-MHz Monolithic D/A Converter for DisplaysWide-Bandwidth Fast-Settling Operational AmplifierNew DSP ICs for Increased Functionality and PerformanceQuad 12-Bit Readback DAC with 40-ns Bus Access TimeFirst Monolithic Resolver-to-Digital ConverterMonolithic Precision Voltage ReferenceHigh-Speed Pin Driver for Digital Device TestingModular I/O Card for the IBM PCPrecision Signal Conditioner for Bridge TransducersProcess Monitoring and Operator Interface Software for µMACs
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IN THIS ISSUE
16-Bit DAC Is 16-Bit Monotonic—All Grades and Temp RangesCompact Low-Cost Signal-Conditioning ModulesFast, Flexible CMOS Single-Chip µP for Digital Signal ProcessingExpandable Modular I/O Processor for Industrial AutomationPrecision Wideband Three-Port Isolation AmplifierMonolithic Synchronous V/F Converter: 0.005% max NonlinearitySmall, Fast, Low-Cost, High-Resolution Integrating ADCThe Easy Way to Interface an LVDT to DigitalLow-Cost Hybrid Strain-Gage Signal ConditionerHighest-Linearity 16-Bit DAC Is Digitally Trimmable
VOLUME 20, Number 1VOLUME 20 NUMBER 1
IN THIS ISSUE
Fast 64-Bit IEEE-754 Floating-Point Multiplier and ALUFast, Flexible CMOS ICs Simplify Design of DSP SystemsIsolation Amplifiers Become Low-Cost ComponentsMonolithic CMOS A/D Converter: 12-Bits in 5 µs3 New 4-DAC DIPS: 8- and 12-Bit Quad D/A ConvertersSoftware-Programmable 12-Bit Data-Acquisition SystemµP-Based Autoranging Thermocouple MetersReal-World Interface Cards for IBM Personal ComputersMonolithic Triple 4-Bit D/A ConverterTesting Engine Emissions More EffectivelyUltrafast High-Resolution Sampling A/D ConvertersComplete Monolithic Serial-Output 10-Bit A/D Converter
VOLUME 19, Number 1VOLUME 19 NUMBER 1
IN THIS ISSUE
24 x 24-Bit Fixed-Point CMOS Digital MultiplierLow-Cost Voltage-to-Frequency Converter ChipComplete Monolithic Analog Multifunction ChipDual 12-Bit Microprocessor-Compatible DAC in 0.3" DIPDouble-Buffered 14-Bit Monolithic CMOS Multiplying DACLow-Cost 8-Bit Monolithic ADC Converts in 1.36 µs maxNew Plug-In Signal-Conditioning Modules for 3B Series High-Performance Precision Hybrid Isolation AmplifierReal-World I/O Cards for the CMOS STD BusHigh-Performance 10-Bit, 800-ns A/D ConverterThermometer with Resolution Better than 0.0001°CSPGA-T/H Amplifier for Data-Acquisition System Design
VOLUME 18, Number 3VOLUME 18 NUMBER 3
IN THIS ISSUE
IVS-100: THE EYE™—An Intelligent Vision System for Industrial Image AnalysisIVS-100 SoftwareIVS-100 HardwareResolver/Digital with Accurate Tachometric OutputMonolithic Sample-Hold Is Complete, Fast, AccurateMonolithic Analog Trigonometric Function GeneratorIVS-100 Applications8 New Plug-In Signal-Conditioning Modules in 3B SeriesPrecision Demo Units Simplify Analog IC EvaluationsFast 1.5-Micron Multiplier and Multiplier/Accumulators
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IN THIS ISSUE
ADSP-1110: Single-Port 16 X 16 Multiplier-AccumulatorThe Complete General-Purpose 12-Bit D/A ConverterSpeeding up FIR Filters (Making the FIR Fly)Flash Converters Work Better with Track/HoldsFirst 12-Bit, 1-MHz Hybrid A/D Converter with Track/HoldUse the Monolithic AD630 for Precision WaveformsFlexible Monolithic Instrumentation AmplifierThermocouple-Based Setpoint ControllersLow-Cost 12-Bit Analog Interface Boards for VME BusAutoranging µP-Based RTD/Thermistor MetersNew Hybrid Resolver-to-Digital Converter Family
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IN THIS ISSUE
Data-Conversion Amplifier Noise RevisitedSecond-Generation Monolithic RMS-to-DC Converter75-MHz Conversions with 6-Bit Monolithic Flash ADCFast, Simple Approximation of FunctionsRate-of-Cooling Meter for Cryogenic ApplicationsMonolithic CMOS Triple-Output DC-to-DC ConverterComplete Monolithic 8-Bit, 10-µs A/D Converter
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Standalone Single-Board Measurement and Control SystemProgram Interrupts, Error Trapping, Program WorkspacesMUX200 Increases Channel Capacity of MACSYM 350 Systems12-Channel Analog Expander Board for µMAC SystemsGround Rules for High-Speed CircuitsData Acquisition Information SystemBooleans, 8-Color Plotter, 10MB Winchester, Buffers
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Low-Power Digital Signal-Processing ICsShielding and GuardingFast, Flexible Switched Dual-Input Op Amp and Comparator12-Bit, 10-MHz Analog-to-Digital ConverterLevel-Independent Automatic Gain ControlModular Alarm Limit Subsystem Is Versatile and RuggedUnderstanding the MACSYM 150/350 SoftwareTest Digital and Linear ICs with LTS-2000 Test Systems
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Multichannel Signal-Conditioning Input/Output SubsystemSensor-Based Intelligent Data Acquisition for STD BusAnalog Signal-Conditioning ICs Take Two Giant StepsPowerful Measurement-and-Control System... and Much MoreFaster Testing with New µC-Based Benchtop TesterIndustry's First Quad 12-Bit DAC in a 28-Pin DIPUnderstanding Interference-Type NoiseWideband 2-Channel Monolithic Analog Multiplier/DividerHighest-Performance 12-Bit Monolithic D/A ConverterMACSYM Speaks
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MultitaskingApplying High-Performance Monolithic FET-Input Op AmpsUse Your Personal Computer for Measurement and ControlAD7528: A Dual Monolithic DAC for Many ReasonsImproved Vector-Scan Displays Are ComingVersatile µP-Based Meters for J-K-T-E-R-S ThermocouplesDeglitching a 16-Bit Monolithic D/A ConverterLogarithmic Multiplying CMOS D/A ConverterSuper-Performance Hybrid Op-Amp FamiliesNew Software Package for LTS-2010 Test SystemsHigh-Performance Hybrids for Data-Acquisition
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World's First Monolithic 16-Bit D/A ConverterMonolithic 12-Bit DAC Has 6-Word FIFO MemoryHybrid Isolation Amplifiers with a New TwistAnalog I/O Interface Cards for STD BusMonolithic Systems DACFirst Monolithic FET Op Amp with 1 µV/°C DriftMACSYM 10 for Industrial-Plant-Floor EnvironmentsDouble-Buffered Complete 12-Bit D/A ConverterHigh-Resolution Data-Acquisition FamilyTesting A/D Converters Automatically
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Isolate, Amplify, Multiplex 4+ ChannelsIsolated Conversion from Digital to 4-to-20 mA2B56 Programmable Cold-Junction Compensator10-Bit 20-MHz Video A/D Converter12-Bit CMOS M-DAC Interfaces Directly with µPs0 to 88.5 dB in 1.5-dB StepsDAC Controls Precision UHF Noise LevelPutting the AD558 DACPORT™ on the Bus
VOLUME 14, Number 1
VOLUME 13, Number 2
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MACSYM II: Fast, Efficient 16-Bit Central-Processing UnitMACSYM II: A Complete Measurement-And-Control SYsteMMACSYM II: ADIO Controller and Bus Minimize Interference, Power, and CostMACSYM II: Card Library Provides Flexible Input/Output CapabilityMACSYM II: MACBASIC Measurement-and-Control-Oriented SoftwareMACSYM II: The Proof of MACSYM's Power Is in the Applications
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13-Bit Monolithic CMOS A/D ConverterMonolithic Sample-Hold AmplifiersInductosyn-to-Digital ConvertersSimple Rules for Choosing Resistor Values in Adder-Subtractor CircuitsFET-Input IC Electrometers10-Volt (±1 mV) ReferencesD/A Conversion with Single-Supply CurrentDifferential High-Impedance RMS-to-DC ConversionAudio Application Ideas for CMOS DACs
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Root-Mean-Square Digital Panel Meter10-Bit Monolithic CMOS Analog-to-Digital ConverterAn Improved 12-Bit Multiplying D/A ConverterIsolation Amplifiers for Effective Data AcquisitionAutomatic Gain Adjustment Using D/A ConvertersTwo-Speed Synchro Conversion SystemsApplications of the AD580
VOLUME 9, Number 1
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IN THIS ISSUE
12-Bit Integrated Circuit D/A ConverterSpecifying and Measuring a Low-Noise FET-Input IC Op AmpComparing Thin Films for Precision Resistor NetworksKeys to Longer Life for CMOSVoltage Measurements in Biomedical ResearchHandling Variable Data Rates with SERDEXWays of Using the AD7520Using DPMs in Our Own Test Equipment
VOLUME 8, Number 1VOLUME 8 NUMBER 1
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High-Precision Thin-Film Resistance NetworksA 10-Bit Monolithic CMOS D/A ConverterTemperature Measuring Circuit Borrows Power and Reference from DPMReducing Multiplier Linearity ErrorsHigh-Speed Op Amps RevisitedCurrent Controller Uses Adjustable ExponentUsing CMOS Switches For...Lock-In Amplifier Uses Single IC
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Not by Drift Alone... The 741 Op Amp FamilyDesigning a Slim, Low-Cost 3½-Digit DPMThe AD520: Not an Op Amp but an Instrumentation AmplifierTrue RMS Measurement Using the AD53130-dB Automatic Gain Control with the AD531A Low-Noise, Low-Drift FET-Input Amplifier DesignVector Difference with the AD531
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Monolithic Operational Amplifier with 1 µ/°C DriftQuad-Switch TTL-Compatibility12-Bit DAC Design Can Be Routine... 16 Bits Is more Difficult, but AchievableProtecting a 1/8-Gigawatt Power Supply, or How Do You Make a 2000-A Fuse?Good Circuit Practice Gets Best Results from Isolation Amplifiers
VOLUME 5, Number 2VOLUME 5 NUMBER 2
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AD555 Monolithic "µDAC" Quad Switches Make 4-Quadrant Multiplying DACs with 12-Bit LinearityOp Amps as Electrometers or—The World of fACharge AmplifierA Choice, Not an Echo: The AD530 vs....Long-Term Drift Measurements on Op AmpsTrack-Hold AmplifierMeasuring Sine-Wave Amplitudes Without Filtering
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Chopper Amplifier's PPM Stability Enables Electron Microscope to Scrutinize Individual MoleculesEquivalent Circuits for Operational Amplifier Drift and NoiseHow to Select R and C for Minimum Integrator DriftSolid-State Op Amp Measures Kilovolts with 0.05% AccuracyIdeal Rectifier Uses Equal-Value ResistorsModified Feedback Simplifies Programmable Voltage SupplyPrecision Peak-Reading CircuitSignal Is Sampled and Held for 1 MinuteOp Amp Mounting Techniques
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Analog Dialogue Turned 50
For five decades, we’ve been honored to be your engineering resource for innovative design. Take a look back with our first editor and discover some of our favorite articles.