[ARC5] [Milsurplus] BC-348 PSU questions

[Roy Morgan]

On Sep 30, 2015, at 9:52 AM, Ian Wilson <ianmwilson73 at gmail.com> wrote:

> For the record, the DC resistance of the audio choke is about 300 ohms.

Ian,

Thanks for the info - this goes into my notes file for that radio.

I assume you mean the PLATE SUPPLY choke (I call it the B minus filter choke).

> The
> developed negative bias is used only for the audio o/p tube grid, as far as I
> can see on the schematic. 


Thanks for the report.

Roy

Roy Morgan
k1lky68 at gmail.com
K1LKY Since 1958