User's Manual

2650 Watt VHF High Band Transmitter Table of Contents
435B, Rev. 0 ii
TABLE OF CONTENTS (continued)
5.7 Calibration of the Forward Output Power Level of the Transmitter...............5-5
5.8 Calibration of the Reflected Output Level of the Transmitter.......................5-5
5.9 2-Way Combiner Assembly.....................................................................5-6
5.10 Bandpass Filter Assemblies...................................................................5-6
5.11 VHF High Band Amplifier Tray ...............................................................5-6
5.11.1 AGC Control Board......................................................................5-6
5.11.2 Phase Shifter Board ....................................................................5-7
5.11.3 VHF Filter/Amplifier Board ...........................................................5-7
5.11.4 VHF High Band Amplifier Board ....................................................5-7
5.11.5 Overdrive Protection Board..........................................................5-7
5.11.6 VHF High Band Amplifier Board ....................................................5-7
5.11.7 3-Way Splitter Board ..................................................................5-8
5.11.8 VHF High Band Amplifier Board ....................................................5-8
5.11.9 3-Way Combiner Board ...............................................................5-8
5.11.10 Calibration of the Visual Plus Aural Output
Power and VSWR Cutback .........................................................5-8
5.12 Board Level Alignment Procedures.........................................................5-9
5.12.1 (Optional) 4.5-MHz Composite Input Kit........................................5-9
5.12.2 Delay Equalizer Board...............................................................5-10
5.12.3 (Optional) Composite 4.5-MHz Filter Board..................................5-10
5.12.4 (Optional) 4.5-MHz Bandpass Filter Board...................................5-10
5.12.5 IF Carrier Oven Oscillator Board.................................................5-11
5.12.6 Sync Tip Clamp/Modulator Board ...............................................5-11
5.12.7 Aural IF Synthesizer Board, 4.5 MHz...........................................5-13
5.12.8 ALC Board (Part 1 of 2).............................................................5-14
5.12.9 IF Phase Corrector Board...........................................................5-15
5.12.10 ALC Board, NTSC (Part 2 of 2) .................................................5-15
5.12.11 Channel Oscillator Board, Dual Oven.........................................5-16
5.12.12 x4 Multiplier Board..................................................................5-16
5.12.13 VHF Filter/Mixer Board ............................................................5-16
5.12.14 VHF High Band Filter/Amplifier Board........................................5-17
APPENDICES
APPENDIX A SYSTEM SPECIFICATIONS
APPENDIX B SAMPLE LOG REPORT SHEET & TYPICAL OPERATIONAL READINGS
APPENDIX C ASSEMBLY DRAWINGS
APPENDIX D SUBASSEMBLY DRAWINGS