DE
DANIELS
ELECTRONICS
VT-3A130 Amplifier Instruction Manual
iii
TABLE OF CONTENTS
Page
1
GENERAL................................................................................. 1-1
1.1 Introduction .......................................................................... 1-1
1.2 Performance Specification.......................................................... 1-1
2
THEORY OF OPERATION............................................................. 2-1
2.1 General ............................................................................... 2-1
2.2 Power Requirements................................................................ 2-1
2.3 RF Circuitry.......................................................................... 2-1
2.3.1 VT-3/150 Lowpass Filter ....................................................... 2-2
2.4 Power Supply Circuitry. ........................................................... 2-2
3
VT-3A130 AMPLIFIER ALIGNMENT ............................................... 3-1
3.1 General ............................................................................... 3-1
3.2 Repair Note .......................................................................... 3-1
3.3 Printed Circuitboard Numbering Convention.................................... 3-1
3.4 Recommended Test Equipment List............................................... 3-2
3.5 VT-3A130 Amplifier Alignment................................................... 3-2
3.5.1 General ............................................................................ 3-2
3.5.2 VT-3A130 Amplifier Adjustment .............................................. 3-2
3.5.3 Changing Power Output......................................................... 3-3
4
ILLUSTRATIONS AND SCHEMATIC DIAGRAMS .............................. 4-1
4.1 VT-3A130 Amplifier................................................................ 4-1
4.1.1 VT-3A130 Amplifier Component Layout ..................................... 4-2
4.1.2 VT-3A130 Amplifier Schematic Diagram ..................................... 4-3
4.2 VT-3A130 Lowpass Filter ......................................................... 4-5
4.2.1 VT-3A130 Lowpass Filter Component Layout............................... 4-5
4.2.2 VT-3A130 Lowpass Filter Schematic Diagram............................... 4-5
5
PARTS LISTS ............................................................................ 5-1
5.1 VT-3A130 Amplifier Electrical Parts List ........................................ 5-1
5.2 VT-3A130 Lowpass Filter Electrical Parts List.................................. 5-4
5.3 VT-3A130 Amplifier Mechanical Parts List...................................... 5-4
6
REVISION HISTORY ................................................................... 6-1
