[Amps] vacuum relay bandswitch

2 2 at vc.net
Thu Feb 20 06:53:20 EST 2003


Depends on the anode supply potential and on the RF circulating current 
[Q x I-anode].
-  Surplus vacuum relays are more reasonably priced than new ones.  

>I was thinking of using vacuum relays to bandswitch a pi-network for a 
>160-80-40 amplifier. What factors must be considered to determine the 
>relay's required voltage and current ratings?  What are the math formulas 
>that define the relay for placing an order from a parts catalog?
>
>Thanks and 73,
>
>Ken W2DTC

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