Acom 1011 - 6-2. Functions

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- Bypass path: VSWR less than 1.1:1, 1.8-30 MHz continuously, 200 W maximum;
- Output (antenna) impedance matching capability: VSWR up to 3:1 or higher.
g) RF Gain: 11dB typically, frequency response less than 1dB (50 to 70 W drive power for rated
output).
h) Primary Power: 85-132 V/170-264 V ac (100, 110, 120, 200, 210, 220, 230 & 240 V nominal taps),
+10% -15% tol.), 50-60 Hz, single phase, 1200 VA.
i) Complies with CE safety and electromagnetic compatibility requirements as well as FCC-regulations
(10 & 12 m band locks provided).
j) Operating size & weight, incl. feets, excl. knobs and connectors (see also S.2-3 Amplifier Location
Selection): WxDxH: 407x315x169mm, 18kg (16x12.4x6.65 inches, 39.7Lbs).
k) Operating environments:
- Temperature range: 0 to +50 degrees Celsius;
- Humidity: up to 95% @ +35 degrees Celsius.
- Height: up to 3000 m above sea level without output deterioration.
6-2. Functions
a) Antenna Impedance Matching Process: aided by a plate-load True Resistance Indicator (TRI).
b) Two antenna outputs selectable by a button on the front panel.
c) Protections:
- Cover interlock for operator’s safety;
- Inrush power-on current limited to the nominal consumption;
- Control grids, screen grids, and plates currents;
- T/R sequencing - 10ms minimum hold off delay required between transmit request and RF
appearance;
- Antenna relay contacts, including RF power induced in antenna from another nearby transmitter;
- Antenna matching quality;
- Reflected power.
d) LED bar-graphs for forward peak power and reflected power.
e) Service visualization of grid 1 DC currents, grids 2 DC voltage, and plates DC currents.
f) Tubes: two 4CX250B (7203) ceramic-metal tetrodes with a total plate dissipation of 500W (forced
air cooling), grid-driven.