[Milsurplus] [Boatanchors] Tube radio Product detectors

[D C *Mac* Macdonald]

In my experience, if the tube radio had a product
detector, it also had an appropriate AGC circuit.

~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
~ 73 - Mac, K2GKK/5 ~
~ (Since 30 Nov 53) ~
~ Oklahoma City, OK ~
~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~




> Date: Sat, 10 Jul 2010 21:47:48 -0700
> From: ianmwilson73 at gmail.com
> To: bluebirdtele at embarqmail.com
> CC: boatanchors at mailman.qth.net; milsurplus at mailman.qth.net; testequipment at mailman.qth.net
> Subject: Re: [Milsurplus] [Boatanchors] Tube radio Product detectors
> 
> I would wonder about what the AGC line is doing. Perhaps there is a large
> negative charge
> on the AGC capacitor. Switching to SSB usually disables the AGC by shorting
> out the cap.
> 
> 73, ian K3IMW