[AMPS] Linear AMP timing

Amps

[AMPS] Linear AMP timing

To:	<amps@contesting.com>
Subject:	[AMPS] Linear AMP timing
From:	g3vbl@netcomuk.co.uk (Chris Pedder)
Date:	Thu, 09 Aug 2001 08:20:56 +0000

Hi,

Some ten or fifteen years ago I used a circuit from the ARRL Handbook to 
produce a sequencer (the original was perhaps used for remote pre-amp 
switching). The sequence was:

1   Amp output relay (Kilovac HC1)
2   Amp input relay  (Kilovac HC1)
3   Amp bias
4   Key transmitter

Keying was controlled from the amplifier though I gather no everyone finds 
this acceptable. The delays could be varied slightly and release was the 
reverse sequence.

Chris


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