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Re: PLL Chart for this exciter
Posted: Tue Dec 30, 2014 10:34 pm
by Shedbuilt
The board in subject, looks to have a single tuned doubler. His old boards definitely did, and the oscillator was Clapp - rather than the more common Colpitts topology. Still oscillator, buffer, doubler, final.
Re: PLL Chart for this exciter
Posted: Tue Jan 06, 2015 11:19 pm
by muttley
RF-Head wrote:Was it not something like
all switch of 87,50
and then
0,1-0,2-0,4-0,8-1,6-3,2-6,4-12,8
for switch
1 2 3 4 5 6 7 8
so if you want the pll on 94.2
94,2 - 87,5 =6,7 so switch 7 and 1 and 2 must be on
The boss knows.