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Re: 2-B AGC voltage ¡ª possibly resolved


 

Thanks, Johni was going to do the calculations but it¡¯s not easy when in the passenger seat of a moving car. :-)

I figure that it took 61 years for the part to drift that far, so any corrections should outlast me.?

73,

Steve Wedge, W1ES/4

Time flies like an arrow. Fruit flies like a banana.


Sent from Proton Mail for iOS


On Mon, May 8, 2023 at 10:44, John Magliacane via groups.io <kd2bd@...> wrote:

On Sunday, May 7, 2023, 09:17:51 PM EDT, Steve Wedge, W1ES/4 via groups.io <w1es@...> wrote:

> I checked into the Sunday net today and Jeff, WA8SAJ, suggested that I check the RF GAIN pot. This is a 15M (!) pot and is not very easy to find, these days.
>
> I measured the pot across the entire part, since there¡¯s one end that isn¡¯t connected to anything.
>
> The pot measured 26M ohms.

If you can shunt your pot (fixed end to fixed end) with a made-up series combination of fixed resistors that yields about 35 megohms, you'lll be able to bring your 26 meg pot down to 15 megs.


73 de John, KD2BD

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