Re: How do i set 720p 30fps in adv7181c?
Have you manually recalculated the QPump value. Section 7.3.7. If so what values did you come up with? VCO_RANGE 0x8A[6:5] = 01, I don't even see a write to 0x8A All of section 7.3 speaks of PLL...
View ArticleADV7511 embedd sync register settings for different video rates
I am working on a project that uses ADV7511 to support many different incoming video rates. It has proven that the rates supported by separate sync (0x15[3:0] = 0001) are working. Now that I need...
View ArticleSigma DSP integration in micro controler - weird behavior
Hi, It's been a while I've been running into problems with the integration of my Sigma DSP with a micro controler. The problem is usually as follows: 1) When I try my Sigma DSP program real time using...
View ArticleRGB from classic console (SNES/Genesis) to HDMI?
I have seen some converter boxes that take Component Video and spits it out in 240p HDMI and wondering if the this can be done with AD devices or if taking the RGB from these consoles and outputting to...
View ArticleRe: ADV7511 embedd sync register settings for different video rates
Here are all the BT.656 scripts I've developed. If you have a different format you need to follow the outline presented in the DE Generation section of the programming guide.
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Re: Sigma DSP integration in micro controler - weird behavior
By the way I am not able to open my old sigma studio projects using the new Sigma Studio 3.11 in windows 7 x64. Is there a fix?
View ArticleWaking up user space application on buffer availability
Hi, I am currently using AD7606 with buffers & triggers enabled at the driver level. I am able to read the data in command line mode, I want to read the buffer continuously in user space whenever...
View ArticleRe: HMC409LP4E reduce the supply current
You can reduce Idd by decreasing Vcc at the expense of Pout.
View ArticleRe: RGB from classic console (SNES/Genesis) to HDMI?
I think you can order it from our website, and possibly from distributors. Dave
View ArticleRe: Help with video Codec design setup
We can really only give you general suggestions and I can't speak to the wireless portion. It really depends on your video format and whether your camera is analog video or digital video output. That...
View ArticleRe: PA (HMC453ST89) and phase shifter (HMC934LP5E)
See attached for the PCB layouts. If the pin is said to be DC coupled, then you need external DC block CAP. We do not have spice models, but scattering parameters are on the webpage of HMC453st89. They...
View ArticleRe: AD7793 EVB Source Code
Hi Jarwin,my email address is busillis.busillisATgmail.com.Many thanks,Davide
View ArticleRe: AD9364
I would recommend supplying power to the Tx path even though it not going to be "used". You may find that your use scenario will require internal Tx blocks. Tx outputs if unused need to be terminated....
View ArticleRe: ADRF6655
Hello,I was able to verified that we did test the VCO over temperature variation at a few different frequencies and the VCO stayed stable and lock.Thank you,Assaf
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Re: Flanger module for Sigma DSP on Sigma Studio
Hi Shogo, It seems this module has been removed. I checked all SigmaDSP processor project Tree Toolboxes and could not find it. Perhaps the reason for this is there was a bug back in 3.6 release and...
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Re: ADRF6518-EVALZ Board Software Issue
After applying a a DC voltage to VGN1, 2, and 3, I was able to see the individual gains for each of the amplifiers. I however was not able to get all of them to add up when applying the voltage to all...
View ArticleRe: Frequency Doubling
Hey, Bob, Thanks for that citation, a very clean DSP implementation of the classic stereo demod and a good example of how to do a PLL in Sigma. My 25kHz pilot did have amplitude perturbations, which I...
View ArticleRe: HMC679 reset pin
hi pelican2, The datasheet specifies that the HMC679LC3C are Current Mode Logic (CML) logic levels but I guess it needs to be more clear and improved. I have attached the application note which...
View ArticleRe: GUI related questions - ADRF6720 Eval Board
Hi Rabia, Same discussion at below linkPlease refer to http://ez.analog.com/thread/48185 (Problem with ADRF6720 Eval Board ) Best RegardsTony
View ArticleRe: Select Which Ports / Why on AD-FMCOMMS3-EBZ AD9361?
Allen: Is your question:- What is the difference between RxA, RxB, and RxC? (in terms of frequency ranges, and bandwidths?)- How do I use the software to switch between ports? Thanks
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