[Elecraft] xmit and receive frequencies different
Ron D'Eau Claire
rondec at easystreet.com
Mon Aug 22 15:44:43 EDT 2005
Hi, Melin:
Make sure you do NOT have either RIT or XIT enabled! That will cause
exactly the symptom you are experiencing .
Since the same BFO and Local Oscillator is used for both transmit and
receive, those frequencies will be identical. The only thing that a
misalignment in CAL FIL should cause is a shift in the apparent bandpass,
not a shift in frequency.
Since FL1 is *always* used for transmit, if you select FL1 for receive too
nothing at all should change between transmit and receive - not even a shift
in bandpass.
Ron AC7AC
>
> My K2 (2631) with KSB2 doesn't transmit and receive on the same
> frequency. There's about a 70Hz difference on lower sideband and 50Hz
> on upper. The
> transmit frequency is always lower than the receive frequency.
>
> Carrier supression is great, transmit audio sounds good, and I'm
> within no more than 100Hz away from the suggested frequencies. The
> package came with
> 3.6Khz markings.
>
> I've run Cal PLL a number of times. The VFO is accurate and linear.
> It just won't transmit and receive on the same frequency.
>
>
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