Technical Manual

A-1
ATLAS 4500 Multimode Station Technical Manual July 2021
700/800 MHz Circuit
Descriptions
This chapter contains descriptions of the following 700/800 MHz ATLAS 4500
internal components. For each of the following components, this chapter contains
a general description and a schematic description:
767-870 MHz Exciter Module
792-825 MHz Receiver Module
760-870 MHz Power Amplifier
Controller Board
Audio Logic Board
Power Supply
A.1
767-870 MHz Exciter Module
This section contains information on the following Exciter Module components:
Frequency Synthesizers
TX VCO Board
Reference Clocks
RF Carrier Generation & Modulation
RF Filter Amp Section
DPD Loop
Exciter DC Supplies
A p p e n d i x