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[AMPS] Safety RF choke

To: <amps@contesting.com>
Subject: [AMPS] Safety RF choke
From: measures@vcnet.com (Rich Measures)
Date: Wed, 11 Aug 1999 19:29:22 -0700


>
>While all you experts are discussing the finer points regarding this
>component I have a question....(SB-200 on 50 mhz)
>
>I would like to make a new RF safety choke.  Does abt 3 feet (roughly
>1/4 wave on six meters) wound tightly single layer (solenoid style) over
>abt a pencil thick form using approx. 22 gauge wire sound like it would
>work?  

probably too much L. 

>Do I check it's resonant freq. with a GDO in free space when it's
>done?  

yes

>Do I want this safety choke to resonate on 50 mhz??? 

  definitely not.  Resonance above 50Mhz is ok.  4uH would be plenty.  
-  later, Phil

-
-  Rich...
R. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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