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Forum Circuit Design for Rf to usb adapter

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Circuit Design for Rf to usb adapter

alikhan968 over 8 years ago

Hey guys ...Can someone help me to build a Coaxial cable to USB adapter by which i can get my Analog TV signal into laptop..

Below is the link which i actually want to make...Any circuit diagram or suggestion will be helpful.Thanks

Universal Coax RCA Video Audio To USB Converter Digital Video Recorder

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Workshopshed over 8 years ago

Sounds like you need a video capture circuit

MkI Video digitiser circuit description
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alikhan968 over 8 years ago in reply to Workshopshed

Thanks clark for response...I read the whole website and I conclude that this is only image capture which capture or grab our desired picture from video...If i am right then i want to clarify that i want to transmit my analog tv video signal to my laptop so if you kindly help me ..It's really very helpful..
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Workshopshed over 8 years ago

In principle conversion of video is a case of capturing lots of frames much faster.

Here's some more links that might help.

How Does a Video Capture Card Work? | It Still Works
https://www.maximintegrated.com/en/app-notes/index.mvp/id/1184

It is an advanced project and you do need to understand about how video signals and high speed data transfer.
You might also want to consider FPGA, again an advanced technique but very good and handling lots of data quickly.
https://www.altera.com/en_US/pdfs/literature/wp/wp-video0306.pdf

There are plenty of solutions to this problem and with a bit of research and hard work you should be able to get something that captures to the laptop.
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