Hal Communications ST-6000, Инструкция по эксплуатации

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5. ST-6000 CIRCUIT DESCRIPTION 5-1
5.1 ST-6000 Analog Processing Circuits - Input Circuit Board 5-1
5.1.1 Input AGC Circuit 5-1
5.1.2 Input Bandpass Filters 5-1
5.1.3 Limiter Amplifier 5-1
5.1.4 Discriminator Filters 5-2
5.1.5 Discriminator Detectors 5-2
5.1.6 A/S Amplifier and Detectors 5-2
5.1.7 Active Lowpass Filter 5-2
5.1.8 ATC Circuit 5-2
5.1.9 Tone Keyer 5-3
5.2 ST-6000 Control Circuit Board 5-3
5.2.1 Slicer and DTH Circuits 5-3
5.2.2 Antispace Circuit 5-4
5.2.3 Pre-autostart Data Output 5-4
5.2.4 Autostart Circuit 5-4
5.2.5 Standby Circuit 5-4
5.2.6 Post-autostart Data Output 5-5
5.2.7 Loop Keyer Stages 5-5
5.2.8 RS-232/MIL-188 Interfaces 5-6
5.2.9 KOS Circuit 5-6
5.3 Front Panel Indicators 5-6
5.4 Power Supply 5-7
5.5 Oscilloscope 5-7
5.6 Cabinet Wiring 5-8
5.7 User Servicing 5-8
5.8 Troubleshooting Guide 5-9
APPENDIX A: RF-Induced Problems 6-1
TABLES
Table 4.1 ST-6000 Front Panel Controls 4-1
Table 4.2 ST-6000 Front Panel Indicators 4-2
ILLUSTRATIONS
Figure 3.1 "Standard" Cable Connections to the ST-6000 3-3
Figure 3.2 Loop Connections to the ST-6000 3-8
Figure 3.3 RS-232 I/O Connections to the ST-6000 3-9
Figure 3.4 Preparation of the ST-6000 Connectors 3-11
Figure 3.5 Alternate Loop Connections 3-13
Figure 3.6 Connections for Full-Duplex Operation 3-14
Figure 3.7 Connections to External Data Processing Devices 3-16