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EFJohnson
9800 SERIES
User Manual
EFJohnson 9800 SERIES User Manual
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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
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