Re: Pulse Shaping of AD9957
Hi xubing, The purpose of pulse shaping is to limit the effective bandwidth of the signal since our sampling rate is finite. We need to ensure that no spectral components exist beyond the nyquist...
View ArticleRe: ADAS3022 input RC Filter issue tracking
Hi, We are looking into this. I'll get back to you soon. Regards,Karen
View ArticleRe: ad5143 I2C data flow/secuence
Hi Mark, Even you know the I2C protocol the sequence of command/bytes is not clear in the doc.Just correct me if I'm wrong. I'm using short command set from Table15.For write sequence first byte is the...
View ArticleRe: ADV7280-M Driver
Hello, Dave-san Thank you for your confirmation.I understood the current status. TomY
View ArticleAD9548 vs AD9547
Hi, Is there any difference between the AD9548 and AD9547 apart from the minimum reference frequency and the number of inputs and outputs? The AD9547 is specified with a minimum reference frequency of...
View ArticleRe: How would voltage noises influence digitalPotentiometer performance?
Thanks for your reply, it is quite helpful. Could I ask for some detail?1. Why noises at VDD act as common-mode voltage? And what is the common mode voltage in digipot?2. Do you mean that the noises...
View ArticleAD 6655 Operation
I am new for DSP. Presently i am working on AD 6655 with HSC-ADC -EVALCZ board. For AD 6655 i gave the clock input and one input signal. But i get the output only one peak without noise. How can i get...
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Re: Failed to detect Digilent USB JTAG cable in ChipScope but available in...
Today my ChipScope is working correctly.I think is I did change in SDK by Xilinx Tools-->Configure JTAG Settings and change type from Auto to Digilent USB Cable. Then everting work fine. Thanks,
View ArticleRe: How to Receive compressed audio streams from s/pdif (adsp-21489)
Hi, What is the source of this compressed stream? DVD player? Are you using the ADSP-21489 EZ-Kit? I would recommend you to run the SPDIF to Analog Talkthru Example code provided in the VDSP++...
View ArticleRe: Power UP/Down sequence of ADV7390
Dear GuenterL-san, I have a addtional question about above disscussion. If time of down sequence is over 1s,What is happend in ADV7390? Best regards,Takepiro
View ArticleCan not receive the last packet(CSW) of transfer by USB DMA when usb transfer...
I solve the problem. Cause of the problem is data cache.
View ArticleRe: Example program for interfacing BF to simple parallel ADC
Hi, I hope you don't mind me bringing up the ADC to BF interface topic again. I'm interested in example code for Blackfin drivers. I have the AD9629-40 ADC eval board that I would like to interface to...
View ArticleRe: ADV7611: HDMI input signal is not detecting
1) I have written all EDID data registers at last step2) I toggled the HPA line in hardware side and register setting as 68 6C A2 But still is not working i am getting some blur and bright unknown...
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Add custom logic to modify the I-Q data in DAC
Hi,Currently, i'm working on Zedboard, + FMCOMMS1. I already successfully design and implementation of complex multiplier using Verilog HDL ( figure below). The synthesis , and implementation done...
View ArticleCan not receive the last packet(CSW) of transfer by USB DMA when usb transfer...
System add flush_data_buffer() before read data of usb, I can get correct data by usb.
View ArticleRe: data coming in p0 and p1 port with out any input
Thanks Tlili,Is there any way to reduce the noise?
View ArticleRe: Offset LVDT Conditioner AD698AP
Hi, We are looking into this we'll get back to you soon. Regards,Jonathan
View ArticleRe: Why there is no "Schematic Terminal"in SS4S2.1.0 version?
Hi Liang, It has been some time since the 'Schematic Terminal' has been removed from SigmaStudio. This block is no longer needed. You can just leave the unused output pins unconnected, the compiler...
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Re: I want Software for use EVAL-ADF411XEBZ1 with LPT Port
I try to toggle Phase Detector Polarity the output frequency doesn't change. *edit Finally, I found the problem , my eval board had set LK2 jumper (CE) to LOW.I fix it and I try to change Phase...
View ArticleRe: setting for ADV7511 ARC(audio return channel)
Hi Mike, In order to make sure there is audio stream available in the TV, we bought a Pioneer AV receiver with ARC function. It turns out the ARC of TV is fine. So in terms of ARC, why the TV replied...
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