[Boatanchors] Globe HG-303 Idling Current

[Jim Wilhite]

Couldn't you find that number in a Transmitting Tube book under the proper 
class amp (maybe A or AB).  Wouldn't it be no signal plate current?

Jim
W5JO

----- Original Message ----- 
From: "Bill Stewart" <cwopr at embarqmail.com>
To: "Glen Zook" <gzook at yahoo.com>
Cc: "Boatanchors" <Boatanchors at mailman.qth.net>
Sent: Thursday, November 07, 2013 1:53 PM
Subject: Re: [Boatanchors] Globe HG-303 Idling Current


> Hi Glen,
> I couldn't find any ref. either.
> Mine, as received, is 40ma and so far has worked
> fine. When I get time, think I'll look at some of
> my other 6146 xmtrs and see if there are any hints.
>
> While on the 303, I got a email from a K1 who accidentally
> blew out R-10 on his 303. He was trying to find out from
> me what my idling current was. The schem. calls for a
> 47K ohm, parts list 4.7K and he said in his, R-10 was
> actually 4.7 K. I also noticed the manual calls for a tune
> up plate current of 160ma...think that's a typo...that is the
> max on the mtr scale...I tune mine to abt 120ma or less. It
> does run very hot and use a muffin fan on the cabinet top.
> Tnx for your reply.
> 73 de Bill K4JYS
>
> ----- Original Message -----
> From: "Glen Zook" <gzook at yahoo.com>
> To: "Bill Stewart" <cwopr at embarqmail.com>, "Boatanchors" 
> <Boatanchors at mailman.qth.net>
> Sent: Thursday, November 7, 2013 1:25:45 PM
> Subject: Re: [Boatanchors] Globe HG-303 Idling Current
>
> I cannot find, in the HG-303 manual, any reference to a "key up" plate 
> meter reading.  The manual, if you don't have one, is available at:
>
> http://bama.edebris.com/manuals/globe/hg303
>
>
> The Globe Chief 90 and Globe Chief 90A, which use a pair of 807 tubes in 
> the final amplifier, has a "key up" plate reading of between 20 mA and 30 
> mA according to the manuals.
>
> However, looking at the manuals of the older WRL / Globe transmitters that 
> have a 6146 in the final, I can't find any reference to a key-up (idling) 
> plate current.
>
> Glen, K9STH
>
>
> Website:  http://k9sth.com
>
>
>
> On Thursday, November 7, 2013 10:51 AM, Bill Stewart 
> <cwopr at embarqmail.com> wrote:
>
>
> GM all,
> Does anyone know, for sure, what the idling current should be?
> That's the current, in Operate with the key open. Mine runs about
> 40ma.
> Thanks...73 de Bill K4JYS
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