- HF
ATU
HF ANTENNA TUNING UNIT
Antenna tuning unit for onboard surface ship or submarine whip antenna.

Technical characteristics
- Tuning system: automatic
- Matching control: information delivered by the transmitter rack or Rack Control Unit
- Connector: N female, 50 Ω
- Permissive power: from 125 to 500 W depending on the version
- Tuning time: pre-recorded 250ms typical
- Startup time: immediate
- Power supply: transmitter, 24 to 29 Vdc
- HF band, storage memory after first installation with learning procedure
Technical data
Operational Temperature | -25°C to +55°C |
---|---|
Storage Temperature | -25°C to +70°C |
Vibration | 1 mm from 5 to 14 Hz 0.4g grom 14 to 100 Hz |
Shock | Half sinus 11 ms 40g |