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AD9954, passive filter on EVB gerber.
Hi, We have been studying AD9954 and, found Gerber file of EVB shows LCR passive filter between IOUT and COMP_IN are placed on the backside of the board.Could you please let us know reason why it is on...
View ArticleRe: AD9257 AGND circuit
Hi Tak-san, Just from the fact that the sensor output goes to the ADC, there is advantage to the ADC sharing that ground, but I think more information is needed. You mention "Image sensor...
View ArticleRe: AD5141 Altera code
Hi, Kevin. Please check your post because I think there was an error on your post on the forums. Regards,Mark
View ArticleRe: AD7176-2 Data read errors
I checked and even when a wait for the read/rdy_bar to go high (or low) I still get the data errors. Tom
View ArticleRe: BF606 exception
Hi Mike, yes BGA is not so easy to handle as the LQFP, it could be tricky for guys new to it. How many boards do you manufactured? do they behave the same during JTAG debugging? By examining this we...
View ArticleRe: Reference output voltage on AD669 too low
Hi, P O. The datasheet on the website only has 12 pages. Maybe you are referring to page 6 instead? To better assist you, please answer these several questions that i listed below. Does the -4.65 V...
View ArticleRe: AD8336 Output signal level
Hello kris, Thank you for your advice.I was tried under the following conditions. Vgpos=0.662VVgneg=0.75VVGAgain=-0.088Vinput signal=250mVpp sine wave But output signal was square wave of 7Vpp.I was...
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ADM3053 and associated power dissapation
Hi, I am wondering if there is an error in the ADM3053 datasheet with regards to the power dissapation for this part. Rev. B | Page 3 of 20 of the datasheet shows the following values for 1mbps...
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Re: ADXL345 output variation vs sample rate?
Hi Steve, You should can find my test data from different sheet as shown below. 1600Hz just the Sheet1. It is a good method to calibrate the sensitivity and offset in +1g and -1g filed. This can help...
View ArticleRe: EVAL-ADXL362Z-DB real-time evaluation sysytem trouble
Hi, How about your test result when turn SW4 to VU side? Thanks. BRNeil
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Re: ADV7625 OSD Problem
Hi, Can you also test our demo OSD given with X2.2.2 REL Software driver in that machine and check whether you are seeing the same problem or not? Best Regards,Jeyasudha.M
View ArticleRe: ADAU170x audio input topology
Hello John, I apologize that this question was somehow missed.I will answer this for the purpose of anyone else who might have the same question. The ADC is a current input ADC. So yes you could use it...
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Re: ADAU1442 optmized filter MIPS
Hi Debones, At 96 kHz, you have 1792 Instructions available to execute your algorithm. What is the cycle count given at the top of the compiler output window? Something like this? -JT
View ArticleRe: AD9235 setup
Hi,You are correct that you can provide an external VREF when SENSE is tied to AVDD. The AD9235 is characterized for operation between 1 to 2Vpp differential. Greater voltages like 3Vpp differential...
View ArticleRe: PCB considerations - Sigma ADAU1452
Hi Warren, Yes, unfortunately probably not the answer you were looking for. The datasheet does seem to "suggest" a ground plane is required with the strong recommendation on page 176 - in the section...
View ArticleRe: Issues with bit stream for FMCOMMS2 reference design
Hi Lars, I wanted to give you an update: I have been trying to generate a bit stream from the original reference design that came with the Beacon Frame Receiver lab, as well as the newest build from...
View ArticleRe: Issues with bit stream for FMCOMMS2 reference design
Arne: Lars is out on vacation til Jan now. Yeah, upgrading Xilinx tools is a super pain. That is why don't/can't do it for every Xilinx tools release. We have different branches in github - we only...
View ArticleRe: ADV7625 OSD Problem
Hi, The Demo Board OSD work normal.And the attachment is the log file when appear the problem after switch the source,All 30 boards are the same hardware and the same software.And some appear the...
View ArticleRe: Query about ADF4159 Sweep Glitch
Hi, rbrennan I have further information to clarify my response. I tried the suggestions (I’d already tried 2 out of 3 of them) and they did not fix the problem. Is this another signal on your board...
View ArticleQueries about ADL5902’s Response Time and Noise
Hi, thereI have some queries about the response time and noise of ADL5902 and need your help.From Figure 46 in the datasheet, assuming CLPF is 100nf, the noise is low and the rise time is about 100us,...
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