:
: > In my experience the rotary switch is a weak point in tuners, supposed
to
: > handle 2-3 KW.
:
: The only requirement is that the RF switches have to exceed the
: absolute breakdown voltage of the capacitors by a reliable safety
: margin. That's true for all the RF switches in the tuner.
very same tuner that will handle 1500 watts when properly
: adjusted (using maximum C that allows matching the load) can fail
: with a hundred watts or less if improperly adjusted (using maximum L
: and miniumum C)!
:
My problems in the past have been related to high currents, which would
dictate a low contact resistance of the wafer switch. Not all switches
can" take the heat ".
73 Rag oz8ro
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