Boy talk about answering a question that wasn't even
asked!!! That'll teach me to respond to an email post
that I only quickly scanned while in a hurry.
Nevertheless the same idea presented below could be
applied to BFO's or any other common to both RX and TX
oscillator stages of a transceiver that there may be.
Duane
N9DG
--- Duane Grotophorst <n9dg@yahoo.com> wrote:
>
> One method would be to listen to the fundemaental
> frequency of the transverter's LO xtal with the RX
> feeding an audio program like Spectran. Then note
> the
> precise audio frequency trace of the LO carrier.
> Then
> put the transverter into TX, if its crystal is
> indeed
> sifting 30Hz you will easily see it. If you need to
> actually transmit a signal to test this then a
> second
> dedicated RX will needed to do this test.
>
> If this is a DEMI transverter (and depening on its
> age) there may be some relatively simple mods that
> can
> be done to improve its stability.
>
> Duane
> N9DG
>
>
> --- Robert & Linda McGraw K4TAX
> <RMcGraw@Blomand.Net>
> wrote:
> > Does anyone have a good method to confirm that a
> > transceiver is indeed
> > transceiving accurately? I've come to a
> conclusion
> > that one of mine is
> > actually shifting frequency some 20 to 30 Hz
> between
> > receive and transmit.
> > As to why, I haven't found a clue.
> >
> > I'd like to hear your thoughts and suggestions on
> > this topic.
> >
> > 73
> > Bob, K4TAX
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