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Re: ADE 7758: 41 bit energy register
Hi hmani,I understand that LSBs won't improve accuracy. (2^41)-1 = 2.199e12 and (2^24)-1=16777215. So obviously LSBs won't affect the value. But suppose I want to test an energy metering circuit made...
View ArticleRe: [ADV7511W] How much time does it take from video/audio input to output TMDS?
Hello, Thank you very much. I understand as follows:Video delay is 12-50 pixel clocks in ADV7511W.Audio delay is at most one horizontal line in it. Doesn't the delay depend on the format 720p or 480p?...
View ArticleRe: ADV7280-M Driver
we have developed the Linux driver for ADV7280M on TI OMAP4 platform, the operating system running on OMAP4 is Ubuntu 12.04. The demo is avaiable here:capturing cvbs data on omap4 | XFengCheWe provide...
View ArticleADV7626(5) powersaving ...
Dear, Sir,We now use ADV7626 for three projects, 8x8matrix, hdmi extender, 4x4matrix. We have several questions here,1. Is there some way to get a more powersaving application for ADV7626? For ADV7626,...
View ArticleRe: How to calculate the parameters for "RMS compressor"?
Hi John, As you said,I have noticed this problem.So,instead of getting the max over the samples in a block,I am tending to detect the RMS value of the samples in a block.Whether this way is available...
View ArticleAnonymous memory being created without any dynamic memory allocation
Hi I was running the following code in BF609 with buildroot distribution. When I see the maps of this process, I found 3 regions of anonymous memory. I haven't done any dynamic memory allocation in my...
View ArticleRe: AD7609 requires 100ns delay for every conversion of 8-channels?
Hi Lakshmi, Thank you for the inputs. On the AD7609 dataheet, Table 3 p.8, there is a timing for the Data Access Time after /RD falling edge, which vary according to the level of Vdrive. This...
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Re: Libraries instances being created in all the processes while using FDPIC ABI
I'm sorry for not attaching the maps. Attachment is made here. I also wanted to know why anonymous memory mapping is created when I don't do any dynamic memory allocation. Following is my code. I ran...
View ArticleRe: How to communicate with ADE7754 to make an energy meter with PIC18F2520
Hi MARS I can fill-in for DLath and help you further with this thread. One correction in the formula that I would suggest is that you use LVAENERGY instead of VAENERGY. For computing the PF using...
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Re: HSC-ADC-EVALDZ development board and AD9484 evaluation board
I've beenwaiting foryour reply,very anxious
View ArticleRe: Oscillation at the output of AD8220
Hi Alireza, I already received your schematic and I'll get back to you as soon as I can. Best regards,Emman
View ArticleRe: Oscillation at the output of AD8220
Hi Zhu, Instruction of sending via private message was shown above. Take note, as much as possible, we always encourage our customers to post their questions in public so that others may also...
View ArticleRe: BF548 mass storage app(usin the RAM for mass storage)
hi Craigthanks for your response.It would be quite helpful if you can provide the project that you have mentioned here " I do have an old project from one of my colleagues, however on testing it...
View ArticleRe: A distortion of AD8421 happened but I don't know why...........
Hi. Please set your common-mode voltage near the midsupply (2.5V) to maximize the output swing. Refer to figure 10 to 13 of the AD8421 datasheet for more details on this and also to this video about...
View ArticleADV7390 input code to output level information
Hi all. I need the information of input-code to output-levels for ADV7390. Previously, I had documentation that ADV7340 such as attached. Could you please provide ADV7390 of this document? Best...
View ArticleRe: SHARC 21477 software reset
Hi Craig, No, I'm not using DMA to send charachters to the uart. And the send_output_to_uart is a blocking call,I wait until everything is really sent to uart, before returning from this routine. But I...
View ArticleRe: PLL initialization example related to EE-357
Hi Thomas, It is not possible to start the processor at 400 MHz and then go up to 450 MHz in a single shot. You have to follow the certain procedures when you program the PLL to lock its new frequency...
View ArticleRe: How to calculate the parameters for "RMS compressor"?
Hi John,Here I got question about the "threshold" and "gain" of the "AGC compressor" module.From the source code and the "Default Parameter" tab within "Parameter Control" window of the...
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