ADRF6518 output noise, dBV/Hz or dBV/sqrt(Hz)
hi; I saw the output noise density of ADRF6158 is -104.6dBV/Hz, but the unit in datasheet of ADRF6516 is dBV/sqrt(Hz), what is the different between? or just a print error in datasheet of ADRF6518, it...
View ArticleBF609: second wake-up issue with hibernate mode
We are working with the BF609 rev0.2, 2013 blackfin-bvuildroot.1-We are able to enable hibernate mode (echo mem > /sys/power/state)2-Wake-up done from CAN-RX3-We are able to able to run the second...
View ArticleRe: Question about the ADV7180 with the output picture shake
Dear GuenterL The video source is the Camera. and there is no anti-aliasing filtering in front of the ADV7180 inputs. which signal should I to test when debuging the circuit?
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Re: ADV7181C Analog RGB
Hi Balaji, You'll find scripts of settings for many configurations including, I believe, that one on the design support files page for ADV7181C: ADV7181C Design Support Files Dave
View ArticleRe: Q. About ChipScope and Vivado data capture
I'm using FMCOMMS2 + ZC702. that would not be helpful to me..
View ArticleADIS16480, Datasheet Error
Hi Mark,I think table 94 in the datasheet is wrong after some tests. I think EKF_CNFG[1] = 1 means disabling, while =0 means enable. Regarding other bits in EKF_CNFG, i am not sure whether the...
View ArticleADIS16480, EKF_CFG[0] vs EKF_CFG[9]
Hi Mark,One more question,Is there any difference while observing pitch and roll angles, with regard to different EKF_CNFG[0] / EKF_CNFG[9] settings? After some simple tests via EVAL_ADIS, I don't see...
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Are I and Q completely independent?
i adjusted adc_init like this and this is Vivado's capture. Does this mean I and Q are not separated completely?
View ArticleRe: ADIS16480, SYS_E_FLAG[4], Source of over-range?
Thank you! We appreciate your message about organizing your questions. Since you mentioned that, our preference is that each discussion present only one question, so that the follow-up discussion can...
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Re: ADIS16480, SYS_E_FLAG[4], Source of over-range?
QUESTION ANSWERI don't see an over-range in this data. Would it be possible to provide data for all of the inertial sensors (gyroscope, accelerometer, magnetometer), during the SYS_E_FLAG[4] = 1...
View ArticleADIS16480, register questions
Hi Mark, I'm sorry I didn't put my questions together. While I am testing(only EKF_CNFG is changed, = 0x0203), I am having new questions, 5. Regarding data captured below(totally 5 registers are...
View ArticleRe: ADIS16480, register questions
QUESTION6. In eval-adis, there is a NULL_CNFG in page 3 with address 0E and default value 070A, what is this? ANSWERThe NULL_CFG function is valid for the ADIS16485 and ADIS16488, which share a common...
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Re: ADIS16480, register questions
QUESTION ANSWERIf I understand correctly, EKF_CFG[1], this only disables the influence on the angle output estimation process, through the EKF. It does not disable the magnetometer measurements or the...
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Re: ADIS16480, register questions
QUESTION8. what does this imply, big difference(2.4 degree/sec) of gyro output between two consecutive samples under 2460Hz? Can we deduce the acceleration? ANSWERI might need more information on this...
View ArticleRe: ADIS16480, EKF_CFG[0] vs EKF_CFG[9]
Hi Mark, What I meant is, does EKF[0] and EKF[9] affect pitch and roll accuracy? If so, how? Thanks,Zach
View ArticleRe: Trouble writing some AD9361 PHY registers using libiio
Some private helper methods I wrote: static int get_channel_name_from_index( // Channel index unsigned int chan, // Channel name string char * chan_name){ if (chan == 0)...
View ArticleRe: AD7176: how to read channels in order
After further investigation, I can at least partly answer my own question: My mistake was that I was trying to impose the microprocessor's timing (using a timer interrupt) onto the AD7176, whereas the...
View ArticleRe: AD5791 Reference Buffer Opamps
I would assume the main reason they picked the AD8676 was for the lower voltage noise. To get every last ounce of perfomance from the AD5791, you need to minimize every source of noise. To get...
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EVAL-ADAU1701MINIZ: SigmaStudio's EQs control wrong frequencies
Hello, I am trying to configure above evaluation board as per screenshot below. For the EQ, I use “Filters, Second order, Double precision, 2 Ch, Medium Size Eq”. The only thing I have changed is the...
View ArticleRe: Evaluating the AD9910 evaluation board
Actually, I would only need sine waves with modular capabilities in frequency, phase, and amplitude. So from your reply, a higher frequency DDS like the AD9910 seems as though it may be sufficient for...
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