SAC SA100, Manual

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SOUTHERN AVIONICS COMPANY
Model SA100 Dual 1-1 Introduction
1 Introduction
1.1 General Description: SA100
This non-directional beacon is an AM transmitter with an adjustable output power up to 100
watts. The transmitter uses switching technology in the power amplifiers and modulator/
regulator modules resulting in a highly efficient system in a small package.
The exciter portion consists of a crystal controlled 190-535 KHz synthesizer, a dual tone (1020
Hz or 400 Hz) generator, a DIP switch programmable Morse Code keyer, a monitor circuit, and
an optional voice processing circuit.
The power portion of each transmitter consists of an output filter, a switching power amplifier,
switching modulator/regulator and power supply.
The SA100 Dual consists of two independent SA100 transmitters and an Automatic Transfer unit
housed in a single cabinet.