51235Re: [softrock40] Softrock frequency for 10.680 MHz
- Jan 4, 2011
----- Original Message -----
Subject: [softrock40] Softrock frequency for 10.680 MHz
>I have just completed a Softrock Lite II and used the band specific
> components for 30m but I intend to use it on the IF of my TS2000. The IF
> 10.695 MHz but an article I have found by K4DSP suggests setting the
> Softrock at 10.680 MHz to avoid a "DC hump".
It should be no more than just a spike, but yes, this is the usual way of
>But it would seem to me better to set the QRP2000 to
> 42.72 MHz and this gives 10.68 from the divider and not relying on the
> presence of harmonics.
This is the normal way with Si570 Softrocks.
The "subharmonic" way is used when the requirement would be for crystals on
unusually high fundamentals.
73 Alan G4ZFQ
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