[FoxHunt] 80m Foxhunt Tx
Dale Hunt
wb6byu at arrl.net
Sun Dec 4 01:30:33 EST 2011
I'd be concerned with the backwave if the oscillator isn't shut off
between cycles. We had this problem in 1999 when the oscillators
could be DFed when one got close even when the transmitter was off.
I've used this circuit with good results:
http://www.qsl.net/g3pto/pippin.html
simple to build from the junkbox, easy to key, no backwave, and the
entire final emitter circuit can be replaced by either a parallel
tuned circuit with a loaded Q of 1 ( 2uH and 1000pf) or a link winding
around the antenna loading coil.
- Dale WB6BYU
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