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[Discuss-gnuradio] CX2388x + Xceive XC2028/3028 tuner

From: Carlos Limarino
Subject: [Discuss-gnuradio] CX2388x + Xceive XC2028/3028 tuner
Date: Mon, 18 Aug 2008 06:39:06 -0700 (PDT)


I'm sorry to bother with this question, but I don't have the necessary 
technical knowledge to answer it. A couple years ago a module for the CX2388x 
video processor so it could work as an ADC for GNU Radio feeding raw data. 


I have a TV card with that chip but the tuner is a Xceive XC2028. 


This tuner is programmable via firmware. There is support for it in the Linux 
kernel since 2.6.25. Firmware images are 22 bytes long and are stored in a 
single file; there are like 80 images, some of them with suggestive names like:

Firmware 79, type: SCODE FW  HAS IF (0x60000000), IF = 8.20 MHz id: 

I was wondering if it's at least theoretically possible to program this tuner 
to output an IF instead of a TV composite signal. 

Thank you

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