[AMRadio] Negative Bias Supply on Viking II


Bry Carling bcarling at cfl.rr.com
Sun Mar 28 17:27:18 EDT 2010


That sounds right Nick. That would be the normal arrangement 
for any negative bias power supply. Same style circuit as used in 
many many transmitter designs from the tube era.

73s - Bry, AF4K...

From:           	Nick England <navy.radio at gmail.com>

> I don't have a Viking II any more, but the schematic certainly
> shows
> the two negative leads of C12-C13 (dual 15uf/150v) going to either
> side of the bias supply choke and the positive lead to ground. In
> the
> photo in the manual it looks like this dual cap indeed has two
> black
> (negative) leads and a single red (common positive) lead.


-~ø¤º°º¤ø~-"ßrÿ in FLÕRÎÐÁ"-~ø¤º°º¤ø~-




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