The power amplifier also performs functions related to the fan module, including reporting of the fan
module status and supplying power to the fan power bus.
Figure 10: Power Amplifier Module
The power amplifier is comprised of six internal modules:
• Core Board
• Converter Board
• Driver Amplifier Board
• Final Amplifier Board
• Distribution Board
• Output Circuitry
2.1.2.1
Power Amplifier Input/Output Connections
There are three electrical connection assemblies on the power amplifier:
• RF output (front QN "quick-N" connector) on the front of the power amplifier module
NOTICE: This is cabled to the N-type female bulkhead connection at the rear of the base
radio housing.
• DC power supply/control signal (backplane connection)
•
RF input/feedback (backplane connection).
MN003286A01-E
Chapter 2: GTR 8000 Base Radio Theory of Operation
65
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