[Amps] Using door knob caps as padders/blockers

Richard 2@mail.vcnet.com
Thu, 23 May 2002 09:56:56 -0700


>Why do you think that mica capacitors degrade as f increases? And what 
>make 5MHZ the magic cutoff frequency?
>
5MHz is not the cutoff freq.  It's the neighborhood where the dissipation 
factor in aluminum-silicates begins to increase.  Mica works ok at 28MHz, 
but the current carrying ability is somewhat less than it is at 5MHz.

cheers, Eric

-  R. L. Measures, a.k.a. Rich..., 805.386.3734,AG6K, 
www.vcnet.com/measures.  
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