[AMRadio] GG 813 Linear


rbethman at comcast.net rbethman at comcast.net
Wed Sep 28 16:16:05 EDT 2005


The specific one I got permission to distribute is the one from the 21st edition.

I'll get it back on my site, (It's still under construction - AGAIN), and send out the URL.

Bob - N0DGN


> 1. William I. Orr, W6SAI, Radio Handbook16th Edition, section 29-8 An 813
> Grounded Grid Linear Amplifier
> 
> 2. William I. Orr, W6SAI, Radio Handbook, 21st edition, chapter 22
> 
> 3. Bill, Orr. W6SAI (SK) Ham Radio, May 1980 Pages 47, 48, 49,50, 51. ( Ham
> Radio Techniques)
> 
> 
> The last is the best, uses zener (adjustable) for proper bias, Transceive
> relay and includes input circuit, so necessary for today's modern rigs. Also
> has  operating conditions for a CLEAN signal, 2500 volts , 60 ma idle, peak
> plate current 450 ma, 50 ma grid (total) , 3000 ohm plate load Z, drive
> impedance 135 ohms, 1120 watts input, 680 watts out, 28 watts drivepower.
> 
> This HR article has a good system to test transmitting tubes, particuarly
> old surplus, NOS and Junquebox(EBAY) specials.
> 
> 
> 
> 
> 
> ----- Original Message ----- 
> From: "W5OMR/Geoff" <w5omr at satx.rr.com>
> To: "Discussion of AM Radio" <amradio at mailman.qth.net>
> Sent: Wednesday, September 28, 2005 3:33 PM
> Subject: Re: [AMRadio] GG 813 Linear
> 
> 
> > Rbethman wrote:
> >
> > > I have the pages from the Radio Handbook for a GG 813 Amp, AND have
> > > the Email from W6SAI JUST prior to his becoming an SK to distribute it
> > > and place on my site.
> > >
> > > I'll put it back on the site if anyone wants it.
> > >
> > > Bob - N0DGN
> >
> 
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