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6.1 ADE (GSC-501)
6.1.1 Antenna Unit
The antenna is 12 patch flat, [ ]cm in the diameter.
The antenna is connected with LNA which is behind of the
antenna, with two coaxial cables.
Name; Antenna unit
Type; NAY-272
Manufacturer; JRC
Fig. 6.1.1 Antenna Unit
6.1.2 LNA
LNA is installed in the behind of the antenna.
It is composed of the filter and the amplifier circuit, etc.
Five coaxial cables are connected, two cables of them are connected with the antenna, and
three cables of them are connected with RFU.
Name; LNA
Type; CAG-120
Manufacturer; JRC
Fig. 6.1.2 LNA
6.1.3 Radio Frequency Unit (RFU)
RFU is installed in the behind of the antenna pedestal.
It is composed of the transmission circuit, the reception circuit, and the tracking circuit.
It is connected directly to ACU with the connector.
Name; RFU
Type; NAF-247
Manufacturer; JRC
6.1.4 Antenna Control Unit (ACU)
ACU is installed in the behind of antenna pedestal,
via RFU. ACU is including the digital circuit
(containing CPU), motor drive circuit, inclinometer,
and Rate sensor.
ACU controls position of the antenna and RF circuit.
Name; ACU
Type; NCL-362
Manufacturer; JRC Fig. 6.1.4 ACU
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