[ARC5] R-10 in the receivers.

AKLDGUY . neilb0627 at gmail.com
Tue Sep 23 22:35:30 EDT 2014


And I want to add that it's not possible to do a simple Ohms Law
calculation of the voltage appearing
at the junction of R-10 and the pot.

As the pot is rotated away from zero, the calculation becomes a complex
dynamic division problem,
with tube current and flow through R-10 dependent on each other.

73 de Neil ZL1ANM

On Wed, Sep 24, 2014 at 12:49 PM, Kenneth G. Gordon <
kgordon2006 at frontier.com> wrote:

> A friend who is working on is first BC-453, which was murderfied before he
> got it, and which he is trying to get back in operation, has called my
> attention
> to R-10, a 360K 1/2 watt resistor which is connected between the
> gain-control line and B+.
>
> The table of replaceable parts describes that resistor as, "H.V. Bleeder to
> Gain Control."
>
> I am somewhat mystified concerning its true purpose.
>
> Can anyone enlighten both of us?
>
> Kenneth G. Gordon W7EKB
>
> "Courage is being scared to death but saddling up anyway."--- John   Wayne
>
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