[CQ-Contest] SB-220 Switching help
Scott Ellington
sdelling at facstaff.wisc.edu
Mon Jan 28 12:00:07 EST 2002
Beware!! The stock SB-220 does NOT have a catch diode across the relay coil.
As a result, it can fry the switching transistor or relay in the transceiver.
Make sure the diode is in place before hooking it up.
73,
Scott K9MA
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Scott Ellington
Madison, Wisconsin USA
sdelling at facstaff.wisc.edu
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