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2-5
Composition
It is recommended that operational personnel become familiar with the various
components of the transmitter and their type names from both a functional and physical
point of view. This will assist in the proper operation and maintenance of the transmitter.
2-5-1
Functional Composition
Separate functions of the transmitter are grouped easily into the following five circuit
sections, in which equipment, units and panels with their type names are shown in the
following tables.
(1) Exciter Section
1) DM-3100AB Exciter
2) HPC-1558 Exciter Switch
(2) Power Amplifier Section
1) VA3000QE PA Unit
2) 6-Way Divider
3) 6-Way Combiner
(3) Control and Monitor Section
1) HPB-1508 TX Control Unit
2) HPC-1559 RF Monitor
3) HPC-1556 Interface Board
4) LCD Display (option)
5) HPC-1253B SYSTEM Control
6) ACB Panel
7) MS Panel
2 - 11
GWP-G22906
Q'ty
2
1
Q'ty
12
2
2
Q'ty
2
2
2
2
1
1
1
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