|[AMRadio] Low Level Modulation in Gonsets|
Brett.gazdzinski at mci.com
Sat Jul 16 19:56:56 EDT 2005
The G76 was 80 through 6 meters, you needed to use a crystal
on 6 meters, but it has a vfo for 80-10.
The vfo seems stable, but it's a bit touchy to tune as its got a little
The transmitter (and receiver) audio is somewhat poor stock, but
can be improved a bit with the usual tweaks.
I got it as good as its likely to get without serious tube
and iron changes, and there is no room for other iron.
The transceiver is quite small, about the size of a shoe box.
I used to have 2 of them, and they seem indestructible, swr? who cares,
handling? who cares!
We used to use one as the night before the hamfest campout rig.
Throw some wire into the trees and talk!
The receiver is quite good, it uses a 262Khz IF, and has parts on the IF
to tailor the bandwidth, resistors across the primary and secondaries, and a
small cap from primary to secondary.
increasing the resistance of the resistors increases the Q, and vice versa,
and the cap adjusts the nose of the passband.
You can play with values to get it like you like, I have it set a bit
more narrow than stock I think.
Backlit receiver dial and meter, the rig looks very sharp.
From: amradio-bounces at mailman.qth.net
[mailto:amradio-bounces at mailman.qth.net] On Behalf Of Anthony W. DePrato
Sent: Saturday, July 16, 2005 9:34 AM
To: Discussion of AM Radio
Subject: Re: [AMRadio] Low Level Modulation in Gonsets
you guys got me thinking i think i have a G 76? with power supply and
speaker stored in the shop. got it from W4BB sk. years ago. 160-6 i think
hummm wonder if i could hook it up the the old thunderbolt and get on AM .
i remember only think wrong with it was where Morgan use to put his fingers
on the top of the case and tune with his thumb paint has flacked off.
sounds like a new project to start on.
Anthony W. DePrato WA4JQS
Globe Champion 350A RBB SX 101A
U.S. NAVY 63-70 USS ESSEX CVS 9 USS WASP CVS 18 VAW 121 SOG RVN 68-70
WA4JQS / VP8BZL / VP8SSI / 3Y0PI
CQ DX Hall Of Fame # 35
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