[Elecraft] K3 - panadapter or subreceiver

[Mike K2MK]

Hi Phil,

You should have some idea of when you might want to use diversity reception.
If you do then the filters that would be in use on your main RX should be
duplicated (and matched) in the sub RX. Likewise, you should really give
some thought to when you might use your sub RX. I have five filters in my
main RX and four in my sub RX. I now believe I only really needed 3 in my
sub RX and one day if I have reason to remove my sub RX I'll take out the
filter I don't use and sell it.

If you never plan on having multiple antennas you might never operate
diversity. In that case you won't need matched filters in your sub RX. But
that move could lower the resale value of your K3. More food for thought.

73,
Mike K2MK



Phillip Shepard wrote
> 
> My understanding is that diversity receive works best with matched
> receiver
> topologies.  Should the subRx have the same filter array as the main Rx
> (bandwidths and types)?  If the main Rx has 8-pole 2.8, 1.8 and 0.4 kHz
> filters, should the subRx mimic that?  Thank you for the enlightenment.
> 
> 73,
> Phil, NS7P
> 


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