User's Manual

MHPTV TX User Manual
MHPTV-USR-DOC-V3.0, 10/18/2019 Page 5 of 148
Contents
1. Introduction ................................................................................... 7
1.1 TX System Configuration ........................................................................................ 8
1.2 TX Overview ........................................................................................................... 9
1.2.1 System Block Diagram ................................................................ 9
1.2.2 1-PA TX ..................................................................................... 10
1.2.3 2-PA TX ..................................................................................... 14
1.2.4 3-PA TX ..................................................................................... 18
1.2.5 4-PA TX ..................................................................................... 22
1.2.6 5-PA TX ..................................................................................... 26
1.2.7 6-PA TX ..................................................................................... 30
1.2.8 8-PA TX ..................................................................................... 35
1.3 TX Specifications ................................................................................................... 39
1.4 AC Power Requirements ........................................................................................ 40
1.5 RF System Connections ......................................................................................... 52
1.6 TX Ventilation ........................................................................................................ 55
2. Theory of Operation ................................................................... 58
2.1 Control Unit ........................................................................................................... 60
2.1.1 Control Unit（CTL-S） ............................................................ 60
2.1.2 Control Unit（CTL-M） .......................................................... 62
2.2 Digital Exciter ........................................................................................................ 64
2.3 ANY1022 (option) ................................................................................................. 66
2.4 Power Amplifier – PA-8D-C-FA ............................................................................ 74
3. Installation/Initial Turn-On ....................................................... 76
4. Operational Basics ...................................................................... 84
4.1 TX ON/OFF ........................................................................................................... 84
4.2 RAISE/LOWER POWER ...................................................................................... 85
4.3 RUNNING CORRECTIONS ................................................................................ 86
4.4 CALIBRATE EXCITER FWD POWER METER ................................................. 89
4.5 CALIBRATE TX SYSTEM POWER METERS ................................................... 91