>From what I recall of a kit using a tuner unit out of a vcr, the was a VCO=
 that did the tuning, and a RSSI voltage out.

A sawtooth was fed to the VCO input, and X input of a scope. The RSSI was f=
ed to the Y input of the scope.

This was a kit available from Dick Smith Electronics New Zealand in the lat=
e 90's

Herbert Graf <hkgraf@gmail.com> wrote:


Wow, that would be awesome! Might someone here have a copy of one of
these projects they could scan and send to me?

Thanks! TTYL

On Sun, 2012-05-27 at 19:54 +1000, cdb wrote:
> Of not much help (because I can't find mycopy), Electronics Australia
> (defunct) did a Spectrum Analyser project based on a TV tuner, I can't
> recall how the sweep component worked. I vaguely recall an early Elektor
> magazine (70's or 80's) also did one.
>
> Colin
> --
> cdb, colin@btech-online.co.uk on 27/05/2012
>
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