[NLRS] Thoughts on VHF-UHF beacon hardware - key clicks - phase noise

Duane - N9DG via NLRS nlrs at mailman.qth.net
Fri Jul 17 19:15:46 EDT 2015


And please, don't forget to consider phase noise performance of the TX as well, it might not matter if the beacon is never stronger than S5 or so, but phase noise can be very noticeable well over 100 kHz away if the beacon's signal is bone crushing and its phase noise levels are high.

Duane
N9DG

--------------------------------------------
On Fri, 7/17/15, Lloyd Berg - N9LB <lloydberg at charter.net> wrote:

 Subject: Re: [NLRS] Thoughts on VHF-UHF beacon hardware - key clicks.
 To: "NLRS List" <nlrs at mailman.qth.net>
 Date: Friday, July 17, 2015, 8:38 AM
   
 When making a beacon, make sure you incorporate
 some shaping into the CW
 keying waveform
 otherwise you will have a wideband garbage generator
 throwing "key clicks" all over the
 band.
 



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