[Boatanchors] Electronic T/R Switch

[Bob Macklin]

Where does the heat come from? I hopes it's not the Tx RF!

Bob Macklin
K5MYJ
Kent (Seattle), Wa,
"Real Radios Glow in the Dark"

----- Original Message ----- 
From: <w8au at sssnet.com>
To: <boatanchors at mailman.qth.net>
Sent: Wednesday, November 05, 2008 8:46 AM
Subject: Re: [Boatanchors] Electronic T/R Switch


> At 10:49 AM 11/5/2008, Kenneth D. Grimm, K4XL replied:
> >Carl wrote:
> >>Thats like saying all motorcycles have 2 wheels so they must 
> >>perform the same!
> >>The 2 tubes arent even close in specs. Johnson used some 
> >>engineering smarts and the ARRL was just being the ARRL.
> >
> >Yep, your're right!  The Johnson TR switch, in addition to 
> >switching, was designed to fry bacon...or your hand, if you were 
> >careless.  That puny little ARRL 12AU7 version would only keep your 
> >buns warm.  :-)
> 
> AMEN to that, Ken!  I have had the Johnson TR switch hooked up at my 
> "happy days" setup
> for the last 40 years, and it will still give a good burn if 
> touched.  I am surprised that
> it has remained intact all these years without burning up!  (I don't 
> think I will be
> figuring out the electric costs to generate that heat for 40 years.. 
> I don't need any
> more negative thoughts today) :-)
> 
> w8au 
> 
> _______________________________________________
>