Gentlemen,
For those interested in the design of HF power amplifiers this web page might
be of interest:
http://66.249.93.104/translate_c?hl=en&ie=UTF-8&oe=UTF-8&langpair=ja%7Cen&u=http://www.iizuka-net.ne.jp/~bear-el/10000d-2&prev=/language_tools
or without the translator:
http://ns.iizuka-net.ne.jp/~bear-el/10000d-2/
This single band 7 MHz amp for amateur usage is conservatively rated at 20 kW
output. Exciter is an Icom IC7800.
According to the builder of the amp is does 20 kW out without abnormal blower
noise levels or a burning smell from the RF deck. A 30 kVA 3 phase power supply
is used, generating an unloaded B+ of 8 kV DC.
Cheers, Dick
PA3DUV
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