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Volume 50 ó February 2016

Timely Information

Application Notes

Circuits from the Lab

New Product Briefs

Rarely Asked Questions

Technical Articles

Webcasts

  

Products

Amplifiers

Analog-to-Digital Converters

Application Specific

Audio and Video Products

Broadband

Clock and Timing

Digital-to-Analog Converters

Interface and Isolation

Linear Products

MEMS

Optical

Power Management

Processors and DSP

RF and Microwave

Sensors

Switches and Multiplexers

  

Analog Dialogue--Since 1967

Feature Articles: Products, Applications, Technology, Design Ideas, Tutorials, and Measurement Techniques

 

A Note from the Editor

 

Interleave

Ferrite Beads Demystified

A ferrite bead is a passive device that filters high frequency noise energy over a broad frequency range. It is frequently connected in series with the power supply rail and often combined with capacitors to ground on either side of the bead to form a low-pass filter to reduce supply noise. Sounds simple, but in this article the author details several critical design techniques involved with implementing ferrite beads that must be considered to avoid resonance that can induce noise and ripple in the supply.

Powering GSPS or RF Sampling ADCs: Switcher vs. LDO

The new breed of high-performance GSPS data converters provides systems designers with the ability to sample wider and wider bandwidths at high levels of dynamic range. The traditional thinking was that in order to achieve its rated dynamic range, high-speed converters must be powered by linear supplies. However the constant market pressure to reduce overall system power, size, and costs has brought into question utilizing a more efficient, switching power supply solution. But will switchers work for GSPS ADC applications? In this article the author compares the two supply approaches in terms of system performance, power efficiency, operational costs, and BOM savings.

When Second Sources Aren't

Every specification on a second source componentís data sheet is the same as ADI's, but when installed in the end-system, it fails. What is happening?

 

lvdt

An Engineering Walk through Virtual Eval, ADIís Online Data Converter Product Evaluation Tool

Do you need to develop a next-generation platform that meets cutting-edge requirements, on an implausible timeline, while remaining within an unjustly slim budget, and trying to do it all with a smile? ADI may have your answer with a comprehensive online product evaluation tool called Virtual Eval that employs detailed software models to simulate crucial part performance characteristics without the purchase of hardware. With this tool you can easily configure a variety of operating conditions and device features to establish your customized use case and get simulation results within minutes. This article explains it all.

Integrated Multiplexed Input ADC Solution Alleviates Power Dissipation and Increased Channel Density Challenges

Space- and power-constrained applications are driving the demand for integrated data acquisition solutions with high channel counts, low power and a compact form factors. This article highlights the design considerations involved with multiplexed data acquisition systems and focuses on an integrated multiplexed input ADC solution that enables those critical applications such as can be found in optical transceivers, wearable medical devices, the Internet of Things (IoT), and other portable instruments.

murphy

O CMRR, CMRR! Wherefore Art Thou CMRR?

Why is the effect of common-mode signals at the output larger than the CMRR specification?

...Recent Articles

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Analog Dialogue is the technical magazine of Analog Devices. It discusses products, applications, technology, and techniques for analog, digital and mixed-signal processing.

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