Tait T830 Series, Руководство по обслуживанию

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Copyright TEL 31/01/96
2 T836/837 Circuit Operation
This section provides a basic description of the circuit operation of the T836 transmitter
and T837 exciter.
The following topics are covered in this section.
Section Title Page
2.1 Introduction 2.3
2.2 Synthesiser 2.4
2.3
2.3.1
2.3.2
VCO
Two-Point Modulation
VCO Supply
2.6
2.6
2.6
2.4
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
Audio Processor
General
Audio Inputs
Keying Inputs
Compressor
Outputs To Modulators
2.7
2.7
2.7
2.8
2.8
2.8
2.5 Power Supply & Regulator Circuits 2.9
2.6 T836 Drive Amplifier & PA 2.10
2.7 T837 Exciter Drive Amplifier 2.10
Figure Title Page
2.1
2.2
2.3
2.4
2.5
T836 High Level Block Diagram
T837 High Level Block Diagram
T836/837 Synthesiser Block Diagram
T836/837 Audio Processor Block Diagram
T836/837 Power Supply & Regulator Block Diagram
2.3
2.3
2.5
2.7
2.9