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Failure in AD5410 - Request for Immediate Help/Suggestions
Introduction : In one of our applications, we are using AD5410 current source dac to deliver 0-20mA current output.On our test bench an load 500 Ohms is connected between Output pin & Ground of...
View ArticleRe: ADV7619 4k detection and output pinout
Thanks,That's right for 4:2:2: std but not for 4:4:4 which is prefered (for me) in HD format.In UHD it is in any case only 8 bits for RGB and not more in the HDMI data so using 10 bits in YUV 422 is...
View ArticleRe: AD8237 Gain/Bandwidth problem
Hello, that's good news. What looked like a bandwidth problem was in fact a "delayed recovery from saturation". With the benefit of hindsight one can even recognize this in your first measurement at...
View ArticleRe: AD7656 Vdrive issue
Hello Francisco, are possibly some digital inputs driven by sources with a higher supply? If a digital input is driven above Vdrive it would probably power the Vdrive net over the ESD-diodes in the...
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Re: AD9361- PLL update correction word reg 28E & 28F (Fractional > 0)
ello TliliAccording to our tests it seems that There is a shift in negative correction value around 34Hz when we are using reg 28e & 28f. We can consider to avoid the problematic range of 0 -...
View ArticleRe: AD9129 Resource Problems
Hi Gonzalo, Ensure your computer is configured to allow Passive FTP and that your corporate firewall is not blocking FTP. You may want to try an FTP client like FileZilla: FileZilla - Client...
View ArticleRe: ADM6713 Absolute Maximum Ratings Question
Absolute maximum rating are typically valid over the full temperature range although as you noted in this datasheet and others we have the TA=25degC listed. We are looking into this with the dev team...
View ArticleAD9361 Tx Attenuation glitches during transitions
Hello,We have noticed that when changing by 1LSB the Tx attenuation of the AD9361, the output power momentarily (~ 1-1.5 us) changes by ~3.0dB. The problem only occurs at specific attenuation indexes....
View ArticleRe: RGB video and ADV7403
This particular evaluation board is intended for the ADV7390/ADV7391/ADV7392/ADV7393 and as such only supports standard TV formats:* 480i (composite video input, S-video input, component video input)*...
View ArticleRe: AD9257 Handling of the VCM pin
Hello Dougl, Thank you for your reply.I became clear about this problem, thanks to you. Thanks,Tak
View ArticleRe: AD9361 Noise Figure Specification
Thanks for your response, but I'm not sure I accept your statement that the Noise Figure is independent of the chip settings. Your AD Converter is an over-sampling type and the filters following it...
View ArticleRe: Continuous sampling using AD7656 evaluation software
Hi Isaac, I would like to confirm if the software is installed correctly. Please checked if the SDP is recognized by checking on the USB devices in the control panel. If not you can try re...
View ArticleRe: ADL5811 connection with ADL5387
Hi Jim, Thank you for your help! I got it. In our application, we would like to use mixer to convert the measured signal to an intermediate frequency IF signal. And then this IF signal is mixed down to...
View ArticleRe: AD8237 Gain/Bandwidth problem
Hey Emmanuel, I see your message in my inbox, but when I clock on it nothing happens. I've tried in both firefox and IE. Some of the buttons don't seem to work in my inbox view. Same for the drop...
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Re: Bitstream from EVAL-CED1Z
Hi mhay, The AD7400 software on the CED board does not have the functionality to pass the raw bit stream data. The AD7402 which is the next generation to the AD7400 has software routines to read the...
View ArticleRe: evaluation board AD7294-2SDZ
Hello, I figured it out based on the figure on the first page of application note. Thank you.Sveta
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ADAU1701 Output Level Detection over i2c
So .. what I am trying to do is read the output level of a channel on the 1701 over i2c and display a VU meter style bar graph on an LCD I have tried adding a level meter to the schematic like so:...
View ArticleRe: AD9361 Noise Figure Specification
OK, I see your point. Can you provide any information on the measurement method that was used? (i.e. 'Y' Factor technique?) . I also wondered if the transceiver was in FDD mode, FDD - RX Only mode or...
View ArticleRe: Decimation and Multi-Rate with Sigma Studio?
The easiest approach is to use one of the larger chips, but I understand the temptation to stick with -1701. I need so much I/O in my design that I just went with two -1701s. For a single -1701...
View ArticleADE7880 - How to set up for phase Harmonics monitoring / calculation
Hello, I have questions regarding the setup for ADE7880 harmonics calculation 1. VLEVEL register value calculation On the equation 22, rms value of the phase voltages when the ADC inputs are at full...
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