[Elecraft] K3 PSK no output

[Bill Frantz]

It occurs to me that you might not be able to transmit on 
frequencies much higher than 3KHz or so because of the limits in 
the transmit bandwidth with the 2.7KHz filter.

Cheers - Bill, AE6JV

On 3/4/13 at 6:16 PM, frantz at pwpconsult.com (Bill Frantz) wrote:

>My computer software has a choice of waterfall bandwidth, 2K 
>(from 400Hz to 2400Hz) or 4K (400Hz to 4400Hz). In both Data A 
>and SSB I can adjust the DSP bandwidth up to 4200Hz on the high 
>end which gives me most of the bandwidth of the 4K setting. 
>Note that you will need a wider crystal filter than the 2.7KHz 
>default to get the wider DSP bandwidths.

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