Features - Tokyo Hy-Power HL-1.5KFX User Manual

3. Features

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Our solid-state broadband design engineers worked to make the HL-1.5KFX, the lightest and most
compact 1kW HF amplifier in the industry. This world-class compact 1kW HF/ 6m amplifier is the easiest
to handle and operate.
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The amplifier is equipped with a newly developed band decoder. The amplifier's decoder changes
bands automatically as the data signal is received from the associated HF transceiver's frequency
bands.
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The amplifier's main PA section includes 4 high power MOS FET SD2933 / THP2933, resulting in
1kW PEP (SSB max.) on HF and 650W on 6m. The amplifier's broadband characteristics require no
further tuning once the operating band is selected.
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The amplifier allows operation in full break-in CW mode due to the use of the amplifier's high- speed
antenna relays (made by Panasonic/Matsushita).
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With the unique duct structure design and the powerful blower fan, the aluminum heat sink block for
RF PA module (and other components), are effectively cooled. The fan's quiet operation allows for even
the weakest DX signals to be heard.
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The amp utilizes an advanced 16 bit MPU (microprocessor) to run the various high speed protection
circuits such as overdrive, high antenna SWR, DC overvoltage, band miss-set etc.
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This amplifier is compatible with both AC 230V (200/220/240V included) and AC 115V
(100/110/120V included). See the illustration in the AC Power Section for changing primary wiring of the
power transformer.
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For the safety of the operator, an Interlock system is employed. The AC power is shut down if the
top cover is removed, and the automated safety interlock is activated.
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An analog multimeter allows the operator to monitor Pf (Forward output power), Pr (Reflected
power), Vd (Drain voltage of power FET), Id (Drain current) etc
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For future expansion, the amplifier rear panel is equipped with a control cable connection socket,
this is for the upcoming model HC-1.5KAT, auto antenna tuner by Tokyo Hy-Power Labs.
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