If you want plug and play for virtually any transceiver or transmitter to
any amplifier the Ameritron ARB-704 for about $40 dollars does it perfectly.
I am using one with my KX3/KPXA100 driving a Henry 3KA to the legal limit
and it works perfectly. It is a little pricy but works perfectly. It
includes an ALC connection if needed/wanted in your particular setup.
Dave
W7VM
-----Original Message-----
From: Amps [mailto:amps-bounces@contesting.com] On Behalf Of
ka9egw@ka9egw.com
Sent: Tuesday, December 27, 2016 1:36 PM
To: amps@contesting.com
Subject: [Amps] 30L1 keying
So I have a 30L1, and am trying to design a keying circuit that will allow
keying the -160V relay line with a radio whose amp-key output is a
common-emitter NPN rated to pull down a max of +100V.not trying to do qsk cw
here; I'm seriously debating keying the amp with an external relay driven
off the station +13.8 bus.if anyone has a better idea I'm all ears.73, Brian
KA9EGW
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