[Premium-Rx] Racal RF preamp

[Stephen M. Linscott]

On Sun, 16 Feb 2003 GandalfG8 at aol.com wrote:

> Hi Tom
> You raise some interesting issues on this one.
> I found an online reference a while ago to the "rare" 6790 RF amp.
> The external and internal photos, and schematic, looked to be identical to
> the amp fitted to the 1792.
> I have a spare amp and was planning to fit that to my 6790/GM but was advised
> that the 6790 overloads with the amp fitted so I left well alone.
> Although fitted as standard to the 1792 there are internal links which will
> bypass the amp but I've not heard of anyone doing that.
> Certainly my 6790 seems just as sensitive without the amp as the 1792 does
> with it but I must admit that I haven't done any measurements to confirm that.
> I don't know that the 1792 front end was dodgy but do wonder, despite other
> similarities, if the gain distribution in these two receivers is different.
> regards
> Nigel Clarke
> G8PZR
>

Why not ask the expert, Gary Wingerd?  His email is gewingerd at netzero.net

                                     - Steve -

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*   Steve Linscott           Information Technology Division     *
*   linscot at rice.edu      Rice University       Houston, Texas   *
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