[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Discuss-gnuradio] Re: capture ADSL signal with TV card?

From: Patrick Strasser
Subject: [Discuss-gnuradio] Re: capture ADSL signal with TV card?
Date: Fri, 28 Mar 2008 11:03:17 +0100
User-agent: Thunderbird (Windows/20080213)

Torsten Strelow wrote am 2008-03-28 06:40:

do you think it is possible to use a CX2388x based TV card ( see
http://www.geocities.com/how_chee/cx23881fc6.htm ) to capture the
signal of an ADSL2+ Annex B line? Annex B uses the frequency range
from 138kHz to 2,2 MHz.

Hello Thorsten

Your referenced page tells us that your tuner has a bandwidth of 30MHz, which is fine, and can be tuned from 50-850MHz. You want to capture from about 0 to 2.5 MHz. This is clearly out of the tuning range.
It says something about a 10.7MHz intermediate frequency.

You need some device to get your ADSL-signal in the tuning range, or to the IF of 10.7 MHz, but this is probably more difficult, as you need to connect to some internal line and not the default input (antenna in).

Engineers motto: cheap, good, fast: choose any two
Patrick Strasser <patrick dot strasser at tugraz dot at>
Student of Telematik, Techn. University Graz, Austria

reply via email to

[Prev in Thread] Current Thread [Next in Thread]