Motorola MCX600E - Appendix B.1

Introduction/Theory of Operation B.1-i
Appendix B.1
Introduction/Theory of Operation
Table of Contents
Table of Contents
Paragraph Page
1.0 Overview ..................................................................................................... 1
2.0 Theory of Operation .................................................................................. 1
2.1 General........................................................................................................ 1
2.2 Power Supplies............................................................................................ 1
2.3 Power On / Off............................................................................................. 2
2.4 PTT Button................................................................................................... 2
2.5 ON/OFF Hook Control ................................................................................. 2
2.6 Keypad and Top Keys ................................................................................. 3
2.7 Status LED and Back Light Circuit............................................................... 3
2.8 Liquid Crystal Display (LCD)........................................................................ 4
2.9 Microphone Amplifier................................................................................... 4
2.10 Connections to the Radio ............................................................................ 4
2.11 Electrostatic Transient Protection................................................................ 5
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