|[AMRadio] GG 813 Linear|
k4xm at arczip.com
Wed Sep 28 15:57:39 EDT 2005
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
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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