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Re: [Discuss-gnuradio] Schematics for tvrx frontend?

From: Matt Ettus
Subject: Re: [Discuss-gnuradio] Schematics for tvrx frontend?
Date: Mon, 18 Apr 2005 09:56:02 -0700
User-agent: Internet Messaging Program (IMP) 4.0-cvs

> I was really surprised that there basically is no circuitry (like
> opamp-based impedance matching) between the tuners' output and the ADC.

The ADC is a high impedance input, so you essentially feed it with a voltage. 
Its also a pretyt low frequency at that point so you don't care about
reflection on the very short traces.

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