Re: CW Transmit Filter Bandwidth

Posted by Don Wilhelm on Aug 21, 2018; 8:33pm
URL: http://elecraft.85.s1.nabble.com/CW-Transmit-Filter-Bandwidth-tp7644590p7644594.html

Byron,

The K3/K3S is designed to use the filter that is installed "stock" in
all transceivers, so you need to select the 2.7 (or 2.8) filter for CW
(or any other mode except AM, FM or ESSB) for transmit.

Requiring a 1kHz filter for CW transmit would require that filter be
included in the basic package and would increase the price of the
transceiver.

This sounds like a 'curiosity' question - the K3/K3S works fine with the
2.7/2.8kHz filter for CW transmit.

73,
Don W3FPR


On 8/21/2018 4:03 PM, Byron Peebles wrote:
> I have noticed that Elecraft K3/K3S defaults to setting the wide SSB
> filter as the CW TX filter.
>
> Is there a technical reason for doing this? Would it be better to use a
> 1kHz filter or one of the narrow CW filters?
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