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Results on Analog.com

278
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  • Product_categories.lvl0:Processors and Microcontrollers > Microcontrollers
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  1. AN-968: Current Sources Options and Circuits
    Application Note

    Martin Murnane

    Figure 1. AD7794 current source application (see AD7794 data sheet for more details). Introduction Many applications require current sources to excite various devices for sensor drive, accurate measurement, and other applications. This application note discusses several options that are available to designers when designing current sources using ICs from Analog Devices, Inc. It shows examples of current sources from the microampere range which are integrated in specific devices and also medium to high power discrete …
  2. AN-660: XY-Matrix Keypad Interface to MicroConverter®
    Application Note

    Dr. Brian Moss

    Using a keypad input in a MicroConverter application is sometimes required for specific operations.
  3. AN-1267: Motor Control Feedback Sample Timing Using the ADSP-CM408F ADC Controller
    Application Note

    Dara O’Sullivan,

    Jens Sorensen,

    Aengus Murray

    This application note introduces the main features of the ADSP-CM408F analog-to-digital converter controller (ADCC) blocks.
  4. AN-1160: Cortex-M3-Based Serial Download Protocol
    Application Note
    Introduction A key feature of the Analog Devices, Inc., Cortex-M3-based device family is the ability of the devices to download code to their on-chip Flash/electronically erasable (EE) program memory while in circuit. An in circuit code download is conducted over the device universal asynchronous receiver transmitter (UART) serial port, and is thus commonly referred to as a serial download. The serial download capability allows developers to reprogram the device while it …
  5. AN-1265: Isolated Motor Control Feedback Using the ADSP-CM402F/ADSP-CM403F/ ADSP-CM407F/ADSP-CM408F Sinc Filters and the AD7403
    Application Note

    Dara O’Sullivan,

    Jens Sorensen / Noam Levine,

    Aengus Murray

    This application note introduces the main features of the sinc filters of the ADSP-CM402F/ADSP-CM403F/ADSP-CM407F/ ADSP-CM408F microprocessors, with a focus on high performance motor control applications.
  6. AN-1139: Understanding the Parallel Programming Protocol
    Application Note

    Eckart Hartmann

    This application note describes this parallel programming protocol.
  7. AN-111: Single-Supply Wien Bridge Oscillator
    Application Note

    James Wong

    Wein bridge oscillators have the advantage of requiring only one op amp.
  8. AN-1138: LINB DLL Programmer´s Guide
    Application Note
    This application note describes the library functions available in the LINBWSD.dll library.
  9. Using the MAX6951/MAX6950 LED Display Drivers with SPI Interface to Communicate with the MAXQ2000 Microcontroller
    Application Note
    This application note describes assembly language techniques for the MAX6951/50 LED drivers using the MAXQ2000’s SPI peripheral.
  10. AN-1111: Options for Minimizing Power Consumption When Using the ADuCM360/ADuCM361
    Application Note

    Mark Looney

    This application note describes many of the operational modes and clock options for these devices and details the power savings for each configuration.

Results on EngineerZone

664,384
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    1. CFR hard clipping

      Forum Thread
      Answered
      Design Support ADRV9026/ADRV9029
      09 May, 2025
      Regardless of the EVM performance, is it possible to enable only the hard clipping and not enable the other three CFR engines? adi_adrv9025_CfrHardClipperConfig_t cfrHardClipperConfig; cfrHardClipperConfig.cfrHardClipperEnable = 1; cfrHardClipperConfig.txChannelMask = tx_mask; cfrHardClipperConfig.cfrHardClipperThreshold = 0.5; printf("chan: %d th: %f \n", cfrHardClipperConfig.txChannelMask , cfrHardClipperConfig.cfrHardClipperThreshold); if (ADI …
      softwareadrv9025

    2. Technical Support for AD9576

      Forum Thread
      Answered
      Clock and Timing
      09 May, 2025
      Dear AD Team, We want to use for 10MHz to 16.369MHz conversion operation in My Project. What is hardware configuration needs to follow and software driver to configure the PLL. Is it have any preset configuration needs to follow? How much complexity in the software and we are using …
      Clock Generation and DistributionhardwareClock Distribution Devicesclock and timingAD9576

    3. RXD pin is low when DE&RE is driven High

      Forum Thread
      Answered
      Interface and Isolation
      08 May, 2025
      pins DE and RE are connected together, when transmiting on tx and both pins are high the Rx falls to GND causing frame error at uart. is there a reason for this behavior? is it intended or a bug?
      hardwareadm2483Digital Isolation TechnologyADM2483BRWZIsolated RS-485rs485 transceivers

    4. School Project

      Forum Thread
      Answered
      LTspice
      08 May, 2025
      Design an op amp circuit to perform the following operation: vo = 3.5v1 - 2.5v2. All resistances must be <= 100k. The power supply should be +15V and -15V. Let v1 = 2V and v2 = 1V. I need help designing an op amp on LTSpice for a school project that counts as …
      Operational Amplifiers (Op Amps)simulationsoftware24.1.1LTspice

    5. AD9364 start-up RF spike

      Forum Thread
      Answered
      Design Support AD9361/AD9363/AD9364
      07 May, 2025
      When initialising the AD9364, I see a rather strong RF spike at the expected TX frequency for a few milliseconds (around 0 dBm), which then descends to the expected level.My init sequence after FIR setup, sampling freqs etc is in general terms:SetAfcDefault();SetRxFrequency(rxFreq);SetTxFrequency(txFreq);SetTxAttenuation(txAttn …
      hardwareWideband Transceiver ICrfad9364RF Integrated Transceivers

    6. how to receive undetermined length data through UART?

      Forum Thread
      Answered
      Precision Microcontrollers
      07 May, 2025
      I want to receive data with UART. The data could be 10 byte, 20 byte, 30 byte. COMRX is only 8 bit=1byte. When COMRX is full, it will generate an interrupt, then I'll read COMRX in the interrupt service routine software code. But how can I know the …
      softwaremicrocontrollersPrecision Microcontrollersaducm360

    7. ESD Protection

      Forum Thread
      Answered
      Interface and Isolation
      07 May, 2025
      In the block diagram below, I'm using an isolated RS422(ADM2390EBRWZ) transceiver. My system includes the diodes shown in the diagram, but there is no GDT between the two isolated grounds. During ESD testing with an ESD gun, the TVS diodes were ineffective, and my system suffered significant damage …
      adm2490ehardwareDigital Isolation TechnologyIsolated RS-485ADM2490EBRWZ

    8. Applying Hamming windowing to adc data before FFT block

      Forum Thread
      Answered
      FPGA Reference Designs
      07 May, 2025
      hi, i am trying to implement hamming windowing for adc data before fft block, i have generated .coe files using python hamming function and created BROM IP core and loaded the .coe file. please refer attached image. i am not getting correct data, how to verify this design and any …
      software2018.3

    9. HMC625BLP5E settling time and rise/fall time

      Forum Thread
      Answered
      RF and Microwave
      07 May, 2025
      Hi Folks, Currently we are evaluating HMC625BLP5E, but the data sheet doesn't show the parameter of setting time and rise/fall time. Could the parameter refer to HMC624A or here has any related information to be evaluated? Thanks.
      Datasheet/SpecsvgaDigital Step Attenuatorshmc625bDigital Control VGAshmc625blp5eattenuatorsVariable Gain Amplifiers (VGA)attenuator

    10. Lack of recognition of custom-made LIB CMP files with new software version # 24.1.6.

      Forum Thread
      Answered
      LTspice
      06 May, 2025
      The new version of LT Spice # 24.1.6 does not recognize my custom LIB CMP files but the older version # 24.0.11 does. For years I have generated custom SYM components stored within custom SYM files along with their associated custom component CMP files. Circuits analysis always worked …
      software24.1.6Not applicable