Table Of Contents - SAC SS-800AVS Manual

Table of Contents
1 INTRODUCTION ........................................... 1
i.I General Description: SS-800AVS ..................... 1
1.2 Specifications: SS-800AVS .......................... 3
1.3 General Description: PC-1000B ...................... 7
1.4 Specifications: PC-1000B ........................... 9
2 THEORY OF OPERATION, RADIOBEACON .......................
ii
2.1 Functional Description: SS-800AVS .................. ii
2.2 Detailed Circuit Analysis: SS-800AVS ............... 13
.... 2.2.1 Synthesizer PWB: .............................. 13
2.2.2 AM Oscillator PWB ............................. 17
2.2.3 Audio PWB (Optional) .......................... 21
2.2.4 Keyer ......................................... 25
2.2.4.1 Letter PWB ................................ 25
2.2.4.2 Number PWB ................................ 26
2.2.4.3 AM Recycle PWB ............................ 26
2.2.5 Driver PWB .................................... 35
2.2.6 Final Stage ................................... 39
2.2.7 Power Supply .......................... ; ....... 41
2.2.8 Battery System ................................ 45
2.2.9 AM Auto Shutdown PWB .......................... 49
2.2.10 Power Switch PWB Assembly .................... 53
2.2.11 Metering Circuit ............................. 57
2.2.12 Reset SSC PWB ................................ 61
3 THEORY OF OPERATION, ANTENNA COUPLER ................... 69
3.1 FUNCTIONAL DESCRIPTION: PC-1000B .................. 69
3.1.1 Impedance Transformer ~..~ ..................... 69
3.1.2 Tuner ......................................... 69
3.1.3 Autotune ...................................... 69
3.1.4 Antenna Current/Tuning Meter .................. 69
3.2 DETAILED CIRCUIT ANALYSIS: PC-1000B ................ 71
3.2.1 Impedance Transformers: ....................... 71
3.2.2 Tuner: ........................................ 71
3.2.3 Autotune ...................................... 73
3.2.4 Antenna Current/Tuning Meter .................. 77
4 ANTENNAS ............................................... 81
4.1 Mast Antenna ....................................... 81
4.2 "H" Antenna ........................................ 82
4.3 50-Foot Guyed Mast Antenna ......................... 82
4.4 Symmetrical "T" Antenna ............................ 83
5 INSTALLATION AND OPERATION .............................
85
5.1 Transmitter Installation ........................... 85
5.2 Coupler Setup ...................................... 87
SS-800AVS Southern Avionics
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