Functions - Acom 1000 User Manual

User's Manual | ACOM 1000 | HF + 6m Linear Amplifier

7.2. Functions

a) Antenna Impedance Matching Process: plate-load True Resistance Indicator (TRI) aided;
b) T/R System: QSK operation with built-in, vacuum RF antenna relay (special quiet installation)'
c) Protections:
Cover interlock for operator's safety;
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Inrush power-on current control;
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High voltage, control grid, screen grid, and plate currents;
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Exhaust air temperature;
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T/R sequencing;
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Antenna relay contacts, including RF power induced in antenna from another nearby
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transmitter;
Antenna matching quality;
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Reflected power;
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RF arcs, including in antenna system;
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Overdrive;
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d) Signatures of the amplifier internal status are stored in a nonvolatile memory for the seven
most recent auto protection trips;
e) Dot matrix backlighted alphanumeric OLED with bar graph for forward peak power and text
messages to the operator;
f) Measurement and constantly monitoring of 12 most important parameters of the amplifier
via OLED;
g) Tube: a single 4CX800A (GU74B) high-performance ceramic-metal tetrode of Svetlana with
plate dissipation of 800W, grid driven, forced air-cooling.
August 2020 S e c t i o n SPECIFICATIONS | Page 33 of 36