[Hallicrafters] Re: [Boatanchors] simple transmitter using the1625tube

[Carl]

Some 30's oscillator circuits as well as suppressor grid modulation were 
popular in the 30's and 40's. The venerable 813 is an example of a later 
tube and the 59 an earlier one. Several others in between.

Carl
KM1H


----- Original Message ----- 
From: "Chris Kepus" <ckepus at comcast.net>
To: "'Revcom'" <revcom at wbsnet.org>; "'Al Klase'" <al at ar88.net>; 
"'n0alo'" <n0alo at kans.com>
Cc: "'boatanchor'" <boatanchors at mailman.qth.net>; "'Homebuilt'" 
<homebuilttuberadios at yahoogroups.com>; "'Hallicrafters'" 
<hallicrafters at mailman.qth.net>; "'Regenrec'" <regenrx at yahoogroups.com>
Sent: Monday, November 17, 2008 5:08 PM
Subject: RE: [Hallicrafters] Re: [Boatanchors] simple transmitter using 
the1625tube


> While I can't think of any, are there any other circuit configurations 
> for
> ham applications, other than GG, when it would beneficial or necessary 
> to
> disconnect the suppressor grid (by cutting the base) and bringing it 
> out to
> its own pin?
> 73,
> Chris
>
>
> -----Original Message-----
> From: hallicrafters-bounces at mailman.qth.net
> [mailto:hallicrafters-bounces at mailman.qth.net] On Behalf Of Revcom
> Sent: Monday, November 17, 2008 10:39 AM
> To: Al Klase; n0alo
> Cc: boatanchor; Homebuilt; Hallicrafters; Regenrec
> Subject: [Hallicrafters] Re: [Boatanchors] simple transmitter using 
> the
> 1625tube
>
> Not necessarily true.  Some tied it inside the socket, depends on Mfg. 
> I
> remember the days of cutting open
> the base to unhook the suppressor and bring it to a pin so could be 
> used in
> GG amp.  I think the RCA brand
> it was tied inside the envelope, couldn't be modified.  Not real sure 
> on
> that.
>
> Rod
> K0EQH
>
>
> ______________________________________________________________
>