Since this is for 6m which kind of considered VHF, then use of a
sequencer should be considered. With either K3 or K3S the last stage
of the sequencer can control TX INHIBIT control line of the K3/K3S
which will delay RF output into the PA until after LNA and TR relay
switching has occurred. W6PQL sells both an amplifier control board
with sequencing or separate sequencer:
http://www.w6pql.com/v63control.htm
http://www.w6pql.com/relay_sequencer.htm
or from DEMI:
http://01895fa.netsolhost.com/PDF/LTRS_PD.pdf
See: http://www.kl7uw.com/TX-INHIBIT.htm
73, Ed - KL7UW
http://www.kl7uw.com
Dubus-NA Business mail:
[email protected]
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