BF609: Balls B2 & C3, Are they GND or not?
In the EZ-Kit LITE Evaluation board schematics, these balls (Marked as GND62 & GND63) are connected to GND via a resistor.Is this necesary? I see no documentation on this in the datasheet.
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Re: How to use the Wind Noise Suppressor module
Thank you for your Reply.1、The LP filters bank is consisted of two filters, as shown in below, all of them are low pass filters, so what’s the relationship between them? Are they cascaded or...
View ArticleRe: spi sd card (mmc_spi) in 2013R1
Whether this warning is safe for your application depends on your SPI peripheral hardware character, from the software, the code would active and deactivate the CS line in each transfer, while the...
View ArticleRe: About CF pulse of ADE7953
Hi Dlath!!! what other settings affect the jumping errors? Best RegardsKuanish
View ArticleRe: AD5292 operation voltage.
Oh> As far I know by definition the monotonicity only applies to DNL but answering your question, no the INL is not monotonic.No ,I didn't ask INL monotonicity. Don't tease me.I mean INL will be...
View ArticleAD9833 generating distorted output
Hi, We are programmed DDS to generate 4KHz Sine wave ,we could get the desired frequency but DDS is producing distorted sine wave ,what could be the possible reason for this ? Note: Output captured...
View ArticleRe: Chipselect problem when using spidev
are you sure this patch is correct? I saw no changes you made for your boards but lines of deletes.
View ArticleRe: my pic doesn't detect my adxl345 sometimes
Hi jan_2005, Thanks for contacting us. Can you please explain in more detail what behavior you see when the controller doesn't detect the accelerometer? Also please let us know how you are...
View ArticleRe: Chipselect problem when using spidev
Hello again Sorry for my code snippet, i'm not that used to creating patches....:(..... It's looks like this I have just added four devices, and then in added the registration in static int...
View ArticleRe: Multiple AD7476 (PmodAD1)
Thanks for the info Alex. Currently for some reason I am having trouble bringing up the Linux kernel successfully ... not sure why. It is possible that some of the git repos. have been updated ... I...
View ArticleRe: Chipselect problem when using spidev
https://www.kernel.org/doc/Documentation/blackfin/bfin-spi-notes.txt says in mode0 you are using, the CS will be manipulated by the hardware, instead of our driver code, so could you try to use mode...
View ArticleRe: ADV7604 TMDS PLL Gear Selection Optimization
Hi Joe, It's clear now, thanks a million. Steven
View ArticleADV7182 analog input level
We are working with ADV7182 chip. We have differential CVBS signal input to the chip and our circuit is something like the attached figure. So with a standard 1V peak to peak CVBS input, when it...
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ADF4351 balance to unbalance output
HI, I want to use ADF4351 for the band 2900-4100 MHz. what are the values of inductor (L2,L3) and Capacitor (C24,C25,C36)? And how to calculate the inductor and capacitor values based on our required...
View ArticleADV7403: How to disable AV codes with Y/C or CVBS input
Hello,We failed to make AV codes disabled with Y/C or CVBS input after A/D coversion while it was successful with YPrPb input.Please advise the register setting to do so.Thanks and Best regards,Ian
View ArticleADV7403:Input DC level fluctuation with CVBS input
Hello, We found the input DC level fluctuated in about 2mV with CVBS input.Is there any way to improve it?We observed it was iimproved a little bit when the bias current was reduced.Is there any side...
View ArticleRe: adau1761 on ZedBoard(no linaro)
Hi Larsc, We have fallowed the guide which is mentioned in previous reply , while booting its giving fallowing error.Disabling IRQ#88adv7511 0-0039 :Failed to write 98 =3: -110 adv7511 prob of...
View ArticleRe: AD9744 Output Transient
Thanks Larry, It turns out that the clock noise is flowing through another input of the circuit. I grounded that input and the glitch is greatly reduced. The filter capacitor is also useful to...
View ArticleRe: ADF41020 Eval Board
Thanks rbrennan, I forgot to look at the spec of the evaluation board about its output frequency range and previously program it to output a frequency of less than 10GHz. I am now able to tune the...
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Re: Multiple AD7476 (PmodAD1)
Thanks Alex and Lars, I now have two devices working. I have tested them using this code :http://www.flatmax.org/gtkiostream/html/IIOTest_8C-example.htmlI realise that I have to change the code for...
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