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[Amps] 4CX1000A IMD

To: amps@contesting.com
Subject: [Amps] 4CX1000A IMD
From: Steve Thompson <g8gsq@ic24.net>
Date: Mon, 21 Mar 2005 17:44:51 +0000
List-post: <mailto:amps@contesting.com>
Figures from a 144MHz amp described by DJ4GC in VHF Communications, 4/85, 
p213-226.

Va 3.2kV, Iaq 200mA, Vg2 320V.

2 tone IMD, figures are rel. either tone

Po 750W pep
3rd -36dB
5th -50dB
7th -58dB

Po 2000W pep
3rd -26dB
5th -40dB
7th -48dB

Spoken 'Aaaaa' with FT225 as the driver
Po 750W pep
bandwidth at -60dBc +/-5kHz

Steve
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