One thing that hasn't been mentioned so far is that the WinKeyer has a separate PTT out that has a programmable delay before initiating the CW. This will allow the needed delay without affect the sent CW in any way. Use one here, works well.
Used the scope to measure the actual settling time of the open frame relays (about 30 mS is needed to full settle). Measured the K2/K3 delay then added enough with the WinKeyer to insure no hot switching.
73 de dave ab9ca/4 On 5/31/15 7:21 AM, Joe Subich, W4TV wrote:
Look at W8ZR's excellent article in the current issue of QST. 73, ... Joe, W4TV On 2015-05-31 2:50 AM, Vic Rosenthal wrote:Agreed. With a K3 you don't need any special sequencing -- just replace the relay with a reed relay for input and a vacuum relay for output (or two vacuum relays). It is much more pleasant even if you don't use QSK or VOX. Vic 4X6GP/K2VCO
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