FMC Connector I/O requirements for the FMCOMMS1-EBZ
I wan to use the FMCOMMS1-EBZ board in a design I'm working on. I have been trying to get a handle on exactly what and how many I\O pins the FMCOMMS needs. I'm looking at this from the angle of...it...
View ArticleCan CS pin be wired to ground for SPI interface to ADE7953 (active all the...
Hello, On my project, MCU (PIC32) interfaces to ADE7953 via SPI bus (one SPI port on MCU is only connected to one ADE7953). Due to the hardware design limitation, CS pin has to be connected to ground...
View ArticleHigh THD on ADAU1701MINIZ eval board normal?
Testing out a new (Mouser) ADAU1701miniz eval board and have a concern about high THD. THD exceeds 0.2% at high audio frequencies at input levels 3dB below full scale. See attached. Configuration is a...
View ArticleADE7763 IRMS NO LOAD OFFSET
another question. when I read IRMS with no load I get positive offset around 0x531, so IRMS never goes to zero or near zero when no load, tried CH1OS and IRMSOS with mixed results , never was able to...
View ArticleADAU1701 function application
Could I use ADAU1701 to detector 32.768K signal? Thank you.
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A Poor Engineer's Distortion Analyzer
Yes, there are poor engineers. Where I work audio is a sideline, so we do not yet have a dedicated distortion analyzer. I've been toying with buying a used one on eBay, but it's interesting to...
View Articlead1939 driver - no alsa for dsPIC33
Hello,Can you pls let us know how do locate the driver for ad1939 ADC. we want to work without ALSA. we want to integrate ad1939 with PIC and processor have custom OS, so we want basic driver for adc.
View ArticleTone at the output of AD1974
Hi, I am using the AD1974 ADC which is sampling at 16kHz. The master clock is sourced from a 6.144MHz crystal. The sampled audio on channel 2 and 4 contains a tone which is not noticeable at channel 1...
View Article7816 CHANNEL_SEL for monitoring CHSIGN
I'm trying to experiment with the 7816's CHSIGN register on the eval board with the eval s/w. Regardless of whether I write 0x41ff or 0x1ff to the COMPMODE register, the CHSIGN registers always seem...
View ArticleCan the AD9102 perform SPI without a DAC clock?
The AD9102 seems able to store command register values even without a DAC clock supplied. In fact the PAT_STATUS register will change from 0x0001 to 0x0003 if the /TRIGGER pin is provided a falling...
View ArticleADV7401 RGB > YCrCb color space conversion
We are using the ADV7401 to digitize analog RGB video for 1280x1024 @ 60Hz. We have it configured for 4:2:216 bit output and are receiving the digitized pixel data with Altera FPGA. On our SDS board,...
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View ArticleSync Polarity Error in ADV7611/ADV7513 Repeater Driver
Hi, We use ADV7611/ADV7513 Repeater Driver in our set.1) It is DVI input and DVI output.2) The error is that Sync Polarities of some video formats are inverted. It happens once every 5 times at...
View ArticleADV7181C closed captions performance
1) Is the ADV7181C capable of decoding closed captions from Component Video signals from a US Set Top Box ?2) If it does, which standard governs the VBI/closed captions insertion into the analog...
View ArticleADV7842 +ADV7513 Read EDID from VGA
Hello i have searched in the different topics but i didn't find answer to my question. Why my PC attached to the VGA port of the ADV7842 can't read the content of the EDID ram ? My config is : ADV7842...
View Articlesome adv212s are not working
hi DAVEi recently bought five adv212 . but only two adv212s are working in my board and compress image data but others are not working anyway. the hardware and software which is written for them is...
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Hi all boxing fans are welcome to watch and enjoy Fernando Montiel vs Jaderes Padua live streaming boxing here.Don’t be upset if you aren’t still tuned with the channels,just click here and watch all...
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