[Boatanchors] Receiver muting

[Ken]

Hi again Ray & Gang,

Correction:  I specified small relay but made typo! It is dpdt (double pole
double throw).
Good luck,

Ken   N5CM

----- Original Message ----- 
From: "AI2Q" <ai2q at roadrunner.com>
To: "Ken" <n5cm at rtconline.com>; "RAY FRIESS" <rayfrijr at msn.com>;
<boatanchors at mailman.qth.net>; <boatancors at theporch.com>
Sent: Thursday, November 27, 2008 11:41 AM
Subject: Re: [Boatanchors] Receiver muting


>
> Another way to mute a receiver is to use your relay to open (un-ground)
the
> center-tap of the full-wave rectifier's transformer. That was very common
in
> the days of HROs and HQ-120s, etc.
>
> Vy 73, AI2Q, Alex
> ARRL, FOC 1861, QRP-L 687, AWA
> http://home.roadrunner.com/~alexmm
>
>
> ----- Original Message ----- 
> From: Ken
> To: RAY FRIESS ; boatanchors at mailman.qth.net ; boatancors at theporch.com
> Sent: Thursday, November 27, 2008 4:33 PM
> Subject: Re: [Boatanchors] Receiver muting
>
>
> Hi Ray,
>
> If you want the "ultimate" in send/recieve switching, I have used it for
> about 30 years back from mid 50's to mid 80's.
> It requires the use of an electronic T/R switch and a small, easily made
> modification to the boatanchor receiver.
> The grounded end of the AVC bus has to be lifted and brought out to an
> external small stdt relay


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