AD9914 no-dwell operation
Hello, I am programming the DDS to operate in no-dwell high and no-dwell low mode, i.e. continously ramping up and down. I was wondering if I should expect any clock cycles between each ramp? Figure 38...
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AD9102: help with /TRIGGER programming
Hi All, I'm having difficulty setting up the AD9102 to output a burst of DAC values from the SRAM every time the /TRIGGER signal goes low. The basic operating conditions are the following:CLKP/CLKN...
View ArticleBF531 Booting Issues (BMODE : 11)
Hello, This is Shams. I am using SPI Serial flash to boot up BF531 processor. I load the program into the flash via 3rd party dsp flash programmer. Now after restarting the whole system I see sometimes...
View ArticleSigmastudio
Hi,My schema file is around 5 MB. I was saving it when Sigmastudio crashed (an exception raised) and closed. Now when I try to open my project, the tool crashs again and again. Is there any size...
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Evaluation Software can not see AD9912A/PCBZ
Howdy, I am setting up a recently purchased AD9912 board with a windows xp 32 bits system. The board is recognized by computer from Device Manager after I manually load ADI driver. There is also red...
View ArticleAD8397 getting hot
Hello there,I have a problem with an Analog Devices op-amp AD8397. I’m using the attached circuit. The op-amp is really hot (around 60C with anambient of 25C) and I can’t explain why. All partx...
View ArticleHMC637 bias
I read "MMIC Amplifier Biasing Procedure" and I'm still confused about vgg1 and vgg2. Can I drivevgg2 with an op amp as part of a control loop, in which case I want to remove the 4.7uF cap shownin...
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I2C triggers I2S issue
Hi forum, I am working on a product that carries an ADAU1761 chip and an external MCU.The two chips communicate through I2C protocol. I am witnessing some weird behaviour however: I am have set my DSP...
View ArticleAD-FMCOMMS3-EBZ Quick Start Reference Design for VC707
What is the best approach to start with a basic Linux hosted Microblaze design on the VC707 board for the AD-FMCOMMS3-EBZ part, and interface to iio-oscilloscope software on a connected CentOS 6.5...
View ArticleWhat RF/BW limitations to AD-FMCOMMS3-EBZ: AD9361 2 Rx + 2 Tx simultaneous...
I just want to confirm the AD-FMCOMMS3-EBZ: AD9361 supports 2 Rx + 2 Tx simultaneous streams at one time that are both in similar RF ranges correct? I was double checking the documentation and just...
View ArticleTrouble getting DC Cal RF to pass
I am having trouble getting our design with the AD9361 to pass the DC Cal RF. It enters the cal state and never completes. What would cause this? Other cal's pass like CP and DC Cal BB Cal but not...
View ArticleVHDL sample code / wrappers for VC707 with AD9361 AD-FMCOMMS3-EBZ?
Is there any VHDL sample code / wrappers for VC707 with AD9361 AD-FMCOMMS3-EBZ?All the code repo's I've looked through so far on GITHUB are verilog, any VHDL wrappers or significant top level portions...
View ArticleAD7291 does what on AD-FMCOMMS3-EBZ with AD9361?
Sorry, I need to fish through more datasheets, but quickly looking at diagrams of the FMCOMMS3-EBZ to FPGA reference builds, it looks like the A/D function is straight from the AD9361 to the FPGA for...
View ArticleHow do you get from Alert State to FDD
I am having trouble getting from Alert State to FDD State. All PLLs are locked. I have not successfully completed all calibrations though. The FDD bit is set along with Dual Synth mode. I set the...
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ADSP-TS101 rise time and fall time requirement for asynchronus interface
Dear Analog Team, We are using Spansion S29AL016J55TFNR10, 16Mbit NOR flash for booting the ADSP-TS101. When NOR flash is driving the data to the processor has 12.8ns of rise time, Even though the...
View ArticleADIS16448 SPI Communication Support/Code Review Request
Hello zhai_mI am also working with stm32f407 & trying to read the ADIS16448Since you have experience now in reading ADIS via stm32, I want to ask you if possible, to explain me what is the best...
View ArticleUSB connection to ADUC7024
Hello All, For my senior project, I will be using the ADUC7024, ADXL345, and various other components to create a fall detection system. I will be designing a custom PCB to meet my design requirements,...
View ArticleHigh Spec Automotive Gyroscope
HiI am a student looking for some basic information. I need to discuss chassis roll over sensors in my thesis.I have looked at the ADXRS300. Is this a chassis roll over gyro that is currently used by...
View ArticleAD9272, HSC-ADC_EVALCZ output signal
I am working with AD9272 and HSC-ADC_EVALCZ.I would like to make an output signal from the either of AD9272 or EVALCZ board, for example, in simple case, bypass the captured signal or a processed...
View ArticleZed board with fmcomms1 libraries
Dear, I am trying to follow this tutorial AD-FMCOMMS1-EBZ Quick Start Guide on Xilinx FPGA Boards Without OS [Analog Devices Wiki]to enable communication between ZedBoard and FMCOMMS1 daughter board....
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