At 11:02 AM 6/4/04 -0400, you wrote:

>on a micor base/ repeater. can the ciculator be tuned on the bench with no
>power to it or does the white plug need to be connect and the repeater
>powered.

It's kinda hard to tune anything without power.  Yes, some
equipment (like low band Mitreks) have preset positions you
start from, but fine tuning always has to be done under power.

Circulator theory - well worth reading - is at
<http://www.repeater-builder.com/rbtip/circulator.html>

There is info on the mobile circulator at
<http://www.repeater-builder.com/rbtip/uhfdup.html>
Look under "step 5".

More info at
<http://www.repeater-builder.com/rbtip/micoruhffilters.html>

Mike WA6ILQ 





 
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