Re: Practical OpAmp filter based on Filter Wizard design not working
Spacerowa, One correction: Return the new 5k resistor to REF, or run the op amps on +/-5V. Harry
View ArticleRe: AD7993 I2C ACK problem
Hi, Have you tried connecting AS to GND and run the correct address? Please do and take snapshots of the result. Thanks. Regards,Jonathan
View ArticleRe: Data of temperature drift about ADV7393
Thank you for your quick response. Best regards
View ArticleRe: in and out impedance
Hi Dave, Thanks. As for these speed higher than 100MHz, suggest to put the in/out impedance characteristic in D/S. Regards,Jason
View ArticleRe: AD9910 Gerbers
Yes, Sure.We'll get back to you asap once we got it from the layout designers.Thanks for understanding.
View ArticleRe: AD9954 modulate issue
I don't think it has something to do with being synchronous or a synchronous. Its just that, when you have different clocks, they have the tendency to cause modulation and mixing to other signals in...
View ArticleRe: ADAU1452 FFT Library
Hi, Could you please let me know regarding the number of points of the FFT.I'd like to use 256 Point FFT. Can I use this library module? Best regards and wishes,
View ArticleRe: 给的例子怎么有错误啊
Sorry - no one who works on the HDL is fluent in Chinese. Can you ask the question in English? Thanks-Robin
View ArticleRe: ADV7611 disordered when input signal unstable
Hello, DaveD Thank you for your reply.as your mention, glitching on the TMDS signals could also cause this kind problems.as this problem occure, TMDS_PLL_lock status is locked and Free run bit isn't...
View ArticleThe max value of delay module
Hi,I used the ADSP 21469 EZ-Board and Sigma Studio for SHARC 2.1.0 . I want to change the max value of delay module, but the max value is fixed to 1500. Could I change this max value? Because I need...
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Help debug ADP2370 (fixed 3.0V) but getting 1.6V out
Hi,This is the schematic and just today we got our board and after soldering the buck converter(ADP2370-3.0V) I was surprised to see 1.6v across the capacitor (C1) while I was supplying clean 6.0V DC....
View ArticleRe: AD8264 OFSx bias current
Hi, Unfortunately, we don't measure the bias current of OFSx pin. I think that, as you pointed out, you can assume that the bias current of this pin is less than the bias current of VOCM pin. I think...
View ArticleRe: ADAU1701 I2S In - Stereo Out
Dear Yagami, The second question is spot on. Yes, the signal from the HDMI is encoded, so we decided to put a decoder before feeding the signal to the Sigma DSP. Since it's too costly to have the sigma...
View ArticleWhere ADV7610 Recommended Setting Data
Hi all I want a Recommended Setting Data of ADV7610.It was not found in the http://ez.analog.com/docs/DOC-2709.Is it the same as the RSD of the ADV7611? Best regards.aimPoint
View ArticleHow to Receive compressed audio streams from s/pdif (adsp-21489)
I can successfullyreadpcmstream, but can notread the compressedstream from s/pdif /////////////////////////////////// *pDIRCTL = 0; SRU(DAI_PB11_O,DIR_I); SRU(DIR_CLK_O,SPORT0_CLK_I);...
View ArticleRe: AD8215
Hi Chai, Apologies for the delay of response. The application note for AD8215 can be found on page 11 of its datasheets. What is your specific application? I might still suggests some useful technical...
View ArticleRe: COMP mode and GR mode of ADV7181D
But, I can not find such item(720x480p) in setting of VID_STD.So, which value should I use for VID_STD in my case? (input is 720x480p RGsB and using COMP mode, PRIM_MODE=0001b) Thanks.
View ArticleRe: No UART communication when flashing SPI with u-boot
Hi lluis, rework the hardware is a good idea, for JTAG features I think you can get more expert advice from http://ez.analog.com/community/dsp/software-and-development-tools/gnu-toolchain-blackfin
View ArticleRe: How to calculate the ADC count for gain selection
Hi, Thank you for your response. I have read it and It's helpful thread. From this, I can able to judge to use the correct gain for the given analog input voltage and configuring it to unipolar or...
View ArticleRe: Seen errors in example program
Thank you for sharing the working example program. I flashed the program, and it seems working with +-0.80 degC variation. But, I have a question that the eval board has Rref 5.6Kohm(measured it) in...
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