1kW Automatic Antenna Tuner
Rugged solid state unit
The Barrett 1 kW ATU automatically matches the 50 ohm output of the 2075 high power transmitters to a wide variety of end-fed unbalanced antennas such as whips and long wires.
The Barrett 1 kW ATU has a 100-channel memory that allows “silent tuning” on channels previously tuned in less than 20 mS. The tuner can provide tactical security by permitting remote location of the antenna tuner and antenna up to 30 metres from the associated transmitter.
Features
Immersible to 1 M
2075 1 kW automatic antenna tuner is fully waterproof and can be immersed to 1 m.
Opto-coupled interface
An opto-coupled interface is supplied to provide high RF interference immunity on long control cable runs.
Full HF frequency range
The 1 kW automatic antenna tuner operates from 1.6 to 30 MHz.
Rapid tune time
Typically 3 to 5 seconds on initial tune and less than 20 mS on memory tunes.
ALE compatible
The memory tune system is fully compatible when operating ALE to MIL-STD 188-141B.
100% Duty cycle
Operates at 1000 Watts PEP or average at 100% duty cycle.
General
RF power input
1000 W, PEP or average
Duty cycle
All modes including data operation, within constraints of internal temperature (see temperature spec)
Frequency range
2 MHz to 30 MHz
Tuning range versus antenna type
5 metre whip: 3 MHz to 30 MHz
10 metre whip: 2.5 MHz to 30 MHz
25 to 50 metre long wires: 1.6 MHz to 30 MHz
Duty cycle
100% at 500 W PEP Voice
100% at 500 W ARQ
100% at 500 W FEC
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