[ARC5] Suppressor connection in ARC-5 receivers.

[Geoff]

> Gents:
>
> Obviously, I didn't make myself clear about why I think ARC geniuses did
> this:
>
> If the suppressor is connected to the cathode, and if the cathode is then
> above ground, to my way of thinking this would not effect the selectivity 
> of
> the stage so much as modify (improve) the gain of the stage a small 
> amount.
>
> I suspected that doing this would enable the gain of the over all system 
> to be
> "smoother" and less dependent on the instantaeous setting of the gain
> control or of other external factors, like low voltage, suddenly high 
> signal
> input, etc. It could, conceivably, reduce the necessity for the pilot to 
> adjust
> the gain control.
>
> I don't KNOW this: I simply suspect it.


I believe that I suggested last week that connecting the suppressor to the 
cathode will modify the AGC characteristic to a faster tube cutoff as 
determined by the cathode bias resistor. Its one way of preventing overload 
when the TX is right off your wing.

Carl