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TABLE OF CONTENTS (CONT’D)
iv
February 2001
Part No. 001-9800-001
TABLE OF CONTENTS
470-512 MHz RF
RF Board Schematic. . . . . . . . . . . . . . . . . . . 6-22
PA Board Schematic (25W). . . . . . . . . . . . . 6-23
VCO Board Layout . . . . . . . . . . . . . . . . . . . 6-24
PA Board Layout (25W) . . . . . . . . . . . . . . . 6-24
PA Board Schematic (40W). . . . . . . . . . . . . 6-25
PA Board Layout (40W) . . . . . . . . . . . . . . . 6-26
800/900 MHz RF
RF Board Schematic (800/900 MHz). . . . . . 6-27
PA Board Schematic (15W). . . . . . . . . . . . . 6-27
RF Board Layout (800 MHz). . . . . . . . . . . . 6-28
RF Board Layout (900 MHz). . . . . . . . . . . . 6-29
VCO Board Layout . . . . . . . . . . . . . . . . . . . 6-30
PA Board Layout (15W) . . . . . . . . . . . . . . . 6-30
PA Board Schematic (30W). . . . . . . . . . . . . 6-31
PA Board Layout (30W) . . . . . . . . . . . . . . . 6-32
800/900 MHz Audio/Logic Board
Schematic. . . . . . . . . . . . . . . . . . . . . . . . . . . .6-33
Board Layout . . . . . . . . . . . . . . . . . . . . . . . . 6-34
LIST OF TABLES
1-1 Part Number Breakdown . . . . . . . . . . . . . . . . . . 1-2
1-2 Identification Number Breakdown . . . . . . . . . . . 1-3
1-3 98xx Accessories . . . . . . . . . . . . . . . . . . . . . . . . 1-3
2-1 Data Cable Wire Chart . . . . . . . . . . . . . . . . . . . . 2-8
4-1 Ceramic SMD Capacitor Identification . . . . . . . 4-2
4-2 SMD Inductor Identification . . . . . . . . . . . . . . . 4-3
LIST OF FIGURES
2-1 Front Mount Installation Components . . . . . . . 2-1
2-2 Remote Mount Installation Components. . . . . . 2-3
2-3 Accessory Cable Installation. . . . . . . . . . . . . . . 2-4
2-4 Accessory Cable Connector . . . . . . . . . . . . . . . 2-5
2-5 R170 Location Diagram . . . . . . . . . . . . . . . . . . 2-5
2-6 Data Cable Installation (-001 Cable Shown). . . 2-7
3-1 Power Distribution and Switching . . . . . . . . . . 3-3
3-2 Power On-Off Control Circuit. . . . . . . . . . . . . . 3-3
3-3 Audio/Data Processing Circuitry Block Diagram 3-8
3-4 RF Block Diagram (UHF Models) . . . . . . . . . 3-13
3-5 Synthesizer Chip U804 Block Diagram . . . . . 3-16
3-6 Limiter/Detector U201 Block Diagram. . . . . . 3-18
3-7 RF Block Diagram (800/900 MHz Models) . . 3-23
4-1 Simplified Synthesizer Block Diagram. . . . . . . 4-3