User's Guide

iv Audio Processor Board Instruction Manual
9.4 Audio Circuits.......................................................................................................9-6
9.5 Power Requirements.............................................................................................9-6
9.6 Transmitter Standby Modes..................................................................................9-6
9.7 Audio Circuitry.....................................................................................................9-7
9.8 AM Audio Processor Factory Configuration........................................................9-8
9.9 AM Audio Processor Alignment...........................................................................9-8
9.10 AM Audio Processor Electrical Parts List...........................................................9-11
9.11 AM Audio Processor Component Layout...........................................................9-14
9.12 AM Audio Processor Schematic Diagram ..........................................................9-15
10 REVISION HISTOR Y ...................................................................................................10-1
LISTS OF FIGURES
Figure 1 Block Diagram - Audio Processor............................................................... 1-3
Figure 2 Pin Connection Diagram.............................................................................. 1-4
Figure 3 Microphone and Balanced Input Circuitry................................................... 3-1
Figure 4 Limiter and Splatter Filter ............................................................................ 3-2
Figure 5 Bypassing Compression.............................................................................. 3-3
Figure 6 TX Audio Control Circuitry......................................................................... 3-4
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LIST OF TABLES
Table 1 Bandwidth Definition................................................................................... 1-1
Table 2 Factory Configuration.................................................................................. 1-4
Table 3 Turn On Time.............................................................................................. 1-5
Table 4 Mode Condition Table................................................................................. 1-6
Table 5 Standby Mode Selection Table .................................................................... 1-6
Table 6 MT-3 Audio Processor Total Current Consumption.................................... 1-6
Table 7 Operating Current........................................................................................ 5-1
Table 8 Waveform Levels ......................................................................................... 5-2