There are a bunch of AMers developing ampliphase transmitters with new
solid state phase regulators used in the power supply industry. We have
a small Yahoo group called PhaseX if you care to visit.
nospam4me@juno.com wrote:
Hi Larry,
Although a bit unconventional, there are a number of schemes
used in hybrid AM Broadcast Transmitters. I put one such animal
on the air as 1640 KXBT (first expanded band AM tx west of NJ)
back in the mid 90's using a converted Continental 10Kw beast.
It had good audio and never a bug in the RF section, just old
power supply issues would pop up, nothing out of the ordinary
for a transmitter of that vintage.
These units are now popular for the 160 meter crowd (low power
mode setting), if you can get the 3 phase power to the shack.
cheers,
skipp
nospam4me@juno.com
www.radiowrench.com/sonic
[paste]
Date: Tue, 25 Jan 2005 08:47:52 -0600
From: "lncarman" <lncarman@swbell.net>
Subject: [amps] old ampliphase broadcast transmitters - 3cx2500F3
To: <amps@contesting.com>
I thought this might be interesting to anyone into old
AM broadcast -> http://www.rossrevenge.co.uk/tx/koh.htm .
It uses ampliphase (outphasing), which I've never heard
of. The site includes the partial schematic of the 5KW AM
transmitter using the 3cx2500F3 and modulation technique.
Have fun,
Larry N5BIP
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