Re: Waking up user space application on buffer availability
Hi, I am using kernel v3.8, guess I will have to stick with poll() / epoll() for the time being. The code[generic_buffer.c] shows an else part calling sleep(), I was wondering if poll() is a busy wait...
View ArticleRe: HMC649LP6E Control Voltage spec.
Hi sss, If suggested logic levels are exceeded, then there will be performance degradation.You may release the limits upto +-0.5 V range with minor degradation, but it is best to stick on the...
View ArticleRe: Beamforming with sigma DSP
Hi: Making a beamformer with the drawing you made should be possible. Is this a fixed beam that you want to create? What do you mean by Broadway?There are only 2 positions show in the drawing and no...
View ArticleRe: ADXL 312 FIFO function to improve resolution of inclination
Hi Neil, It's me again..I thought it might me more appropriate to put my next question under this discussion.Ive been using the 16-sample FIFO buffers, and implementing an averaging filter in a MCU,...
View ArticleRe: HMC637LP5E Current Bias
Vgg sets the Idd. changing Idd changes the performance of the AMP, especially Pout response.If is best to build up a feedback loop for adjusting Vgg constantly for desired Idd.HMC980LP4 is a good fit...
View ArticleRe: ADL5375-15 sideband suppression and other
Hello,Sideband suppression performance is a parameter of gain and phase imbalance between I and Q that are related to EVM performance in system level. By optimizing amplitude(gain) and phase more, then...
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Re: help for MOSEFT used in ADuM3223 Evaluation board
Hello RSchnell, Thank you so much for your reply and help. Thank you for your interests in our project. Since I can not see your email contact on this forum, can I bother you to send email to me?...
View ArticleRe: Question about the ADV7180 with the output picture shake
how to capture image please suggest me application and usage. regards,karthik
View ArticleRe: ADV7842-7511P：HDMI 1080P
To determine which input is active, look at the TMDS_CLK_(A/B)_RAW bits to see the port is receiving a signal.Check HPA_STATUS_PORT_(A/B) to see if the phyxical conneciton has been made
View ArticleRe: ADV7842-7511P：HDMI 1080P
To determine which input is active, look at the TMDS_CLK_(A/B)_RAW bits to see the port is receiving a signal.Check HPA_STATUS_PORT_(A/B) to see if the phyxical conneciton has been made
View ArticleRe: KC705+AD-JESDADC1 connection
I'm confused. The AD-FMCJESDADC1-EBZ board does not include any sort of DAC. The FMC-176 does, but that is not an ADI product - that's made and supported by 4DSP. Which board do you have? Thanks- Robin
View ArticleRe: AD9680-1000EBZ Unusually High Input Power
Hi Siyi- I am just confirming with you that the <500Mhz CW signal tone frequency was within the pass-band of your external filter? There is nothing on the AD9680 evaluation board that would further...
View ArticleRe: AD9680-1000EBZ Unusually High Input Power
Hi Siyi, Can you please provide me with the serial number and lot ID of the EVB? You can find this on a white strip on the board (top or bottom side). The lot ID will start with "S14-XX" and the serial...
View ArticleRe: High Accuracy High Precision Gyro
Ok, I remember you mentioning the shock generically, but not the level of energy associated with the shock so I wasn't sure how to ***** that. Sorry for being a bit presumptuous.
View ArticleRe: DROVR Output on AD9914
Hi,Could you share your Arduino code. I have a similar attempt. ThanksY3G
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A problem with a status word - ADF7023
Hey, I use in the ADF7023MB3Z - the evaluation kit of the ADF7023 and in these days I try to write a code which transsmit a GMSK modulated signal. I wrote a code following the data sheet: I have a...
View ArticleRe: AD9361 driver divide by zero
On the new code, the bb_ppl is now initialized but I still get a divide by zero, just in a different place. It makes me somewhat nervous in that there are initialization functions in the driver that...
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