Re: A problem when using AD9633 interface with FPGA
Hello Liuxiang, I am sorry to hear that you are still having problems. The soft reset should be issued at the beginning, when the device has been powered ON. This makes sure that all the registers in...
View ArticleAD7194 Calibration data for 4 bipolar channels
Hi there, I want to measure the voltage (-10 - +10 mV) in 4 strain gauge sensors. So I decided to use the AD7194 with up to 8 bipolar channels and fast wakeup time ~ 200us. The fastest measurement...
View ArticleRe: BC857 as a 1.8 regulator transistor for adau1701
Hi Skfir, I'm just an ordinary soul, and glad to hear that you're moving your blind-assist device along to its final form. When it's all working it would be fun to see it in action! PCB...
View ArticleRe: BC857 as a 1.8 regulator transistor for adau1701
Hi Bob! Yes, I read as much as I could about the layout and making it fine is really hard. The good news is that I have already built the prototype of the whole device on a breadboard and it works...
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Re: resource usage?
Hi tonyc, The rightmost of the three buttons you do get opens the filter window -- it just isn't red, for some reason:Use the filter select radio buttons at left to choose which filter to...
View ArticleRe: resource usage?
Hi Bob, The 'reply' button wasn't working in IE for some reason, had to switch to FireFox.Anyway, thanks for the answer, yes - I was able to get to the filter edit windows. New question: after...
View ArticleAD5684 Voltage Reference
Hi, i would like to use the AD5684 so as to send some analogue values to a telemetry system. The problem is that the analogue input of the telemetry system is very sensitive and should not get any...
View ArticleRe: ADMP441 start-up questions
Yes, the assumptions that you made about the sampling frequencies and the values that I gave to you are correct. We used 50 KHz as a sampling rate. We can also reduce sampling frequency. These values...
View ArticleRe: BF609 timer
Hi ShriShailesh, In order to generate the square wave on the timer pin. Program the GP timer in Continuous PWM mode, with Timer Period = 2 , Width = 1 , and delay = 0.. You will also have to...
View ArticleRe: resource usage?
Hi tonyc. The resource window only works for certain SigmaDSP chips. If your project uses the ADAU170x, the way to find resource usage is: Link-compile-download the project (with or without...
View ArticleUnintended new discussion?
Hi, I went to answer the question at: http://ez.analog.com/message/114819#114819 and instead of my answer appearing there I later found it became a new discussion:...
View ArticleADP1047 some questions
Hi , Got some questions , would you kindly help to reply me ? see the list as below . Thanks Current sensing ADC of current loop: Clear description, Gain? What’s the level shift current source?...
View ArticleRe: ADP1047 THD parameter and gain/phase margin
Hi , I use the new register that you send to me couple weeks age , It didnt hlep the THD .... WHY ? Anything I miss ??????????
View ArticleRe: Reading Problem AD7195
Thanks for allJohnny.I've seenwhat the problem was. She hadbadvoltagereference.Greetings.
View ArticleRe: AD5684 Voltage Reference
Yes, correct. For the RC filter, at least a decade above your maximum update rate.Regards,Miguel
View ArticleRe: How to port VDSP asm L1_data_b?
That's ok, now that the documentation is up again I've managed to fix the kernel module. It seems that L1 data A is called: static int my_L1 __attribute__((l1_data));
View ArticleRe: Write to Flash memory
Code example to write to flash is available on the web site: ftp://ftp.analog.com/pub/www/technology/dataConverters/microconverter/source_code.zip in the FlashEE folder.
View ArticleRe: makefile with separate flags for each file
This begin to make sense, recently we see several request from you around this goal, practically we think they are not easy to implement, changes on make file, changes on code syntax over all the asm...
View ArticleRe: Window preferences: Syntax colouring -- assembly code
Hi, The "Syntax coloring"->"Preprocessor" setting will also adjust the macro definition in assembly editor, for example macro directive (such as "#define", "sizeof", etc).Sorry to say that the...
View ArticleRe: ADV7441A采集1920*1200分辨率问题
Hello Dave: 1920x1200 format is that refresh rate is 60hz,and horizontal frequency is 74khz,and pixel frequency is 154Mhz.ADV7441A has been used by my design,so please help me to analyze this...
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