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Author Topic: Recomendation for a solid state 1.8 MHz to 30 MHz amplifier  (Read 1540 times)
NT0A
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Posts: 97




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« on: November 16, 2012, 03:26:27 PM »

I am looking for a recommendation for an HF amplifier capable of transmitting on any frequency from 1.8 MHz up 30.0 MHz without manually switching bands. Ideally the amplifier would put out full key down power for all modes including the more robust digital signals for extended periods of time. Obviously the amp should capable of being throttled back for operations that do not require full power.

The bar is now open for suggestions . . .
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NN4X
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Posts: 45




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« Reply #1 on: November 16, 2012, 05:33:48 PM »

Prometheus DX2400
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TANAKASAN
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Posts: 933




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« Reply #2 on: November 17, 2012, 01:01:08 AM »

Elecraft KPA500 (and you get to put it together yourself).

Tanakasan
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NT0A
Member

Posts: 97




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« Reply #3 on: November 17, 2012, 08:35:40 AM »

Elecraft KPA500 - Tanakasan
That's a good amp, but unfortunately it is not a legal (US/FCC) limit amp.

73s es tnx for the reply de Bob NT0A
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WX7G
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Posts: 6036




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« Reply #4 on: November 17, 2012, 09:48:27 AM »

The Elecraft KPA-500 is specified to output 500 watts key down with a 10 minute ON/5 minute OFF duty cycle. Reducing the power output will not reduce the PA dissipation. It changes bands by sensing the RF input frequency.

The Tokyo Hy-Power Labs HL-2.5Kfx will output 1500 watts on SSB/CW and 1000 watts key down with a 5 minute ON/5 minute OFF duty cycle. It does not sense the RF input frequency. It can be commanded to bands by some of the popular transceivers.
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