[Amps] SB-220 bias question

Bill, W6WRT dezrat1242 at yahoo.com
Sat Aug 29 18:23:28 PDT 2009


On Sat, 29 Aug 2009 20:48:51 -0400, "Joe Subich, W4TV" <lists at subich.com> wrote:

>The higher circulating currents will very likely cause 
>the pi-network coil or bandswitch to fail. 


I think you are mistaken about the circulating currents going up. If that really
was happening, the voltages across each of the pi-network elements would also go
up. Since the antenna is connected across one of those elements (load cap) the
voltage there would go up too, but it doesn't. 

73, Bill W6WRT

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