[Elecraft] K3 Crystal Filters and Dynamic Range - D.R. impact and my basic recommendations

FISCHER,GREG ab7r at cablespeed.com
Mon May 7 17:48:39 EDT 2007


Bill,

Setting the TX filter for CW is a menu config option.  I'm 
not sure what testing as been done yet to outline the TX 
characteristics of the narrower filters though.

73,
Greg
AB7R


On Mon, 07 May 2007 17:43:14 -0400
  Bill Tippett <btippett at alum.mit.edu> wrote:
> 
> 
> WA6HHQ:
> >Notes:
> Since we  also transmit through this (2.7 kHz) filter...
> 
>         Will it be possible to transmit CW through
> a narrower filter than the 2.7 kHz to even further
> minimize transmitted key clicks and phase noise?
> If so, how low in BW could we go before causing
> problems?  1 kHz, 500 Hz or even lower?
> 
>                                         73,  Bill  W4ZV
> 
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