HP 9800 LIST OF TABLES, LIST OF FIGURES, TABLE OF CONTENTS (CONT’D), 470-512MHz RF, 800/900 MHz RF, 800/900 MHz Audio/Logic Board

			TABLE OF CONTENTS
TABLE OF CONTENTS (CONT’D)
470-512 MHz RF	6-22		LIST OF TABLES
RF Board Schematic. . . . . . . . . . . . . . . . . . .
PA Board Schematic (25W). . . . . . . . . . . . .	6-23	1-1	Part Number Breakdown . . . . . . . . . . . . . .	. 1-2
VCO Board Layout . . . . . . . . . . . . . . . . . . .	6-24
PA Board Layout (25W) . . . . . . . . . . . . . . .	6-24	1-2	Identification Number Breakdown . . . . . . . . . .	. 1-3
PA Board Schematic (40W). . . . . . . . . . . . .	6-25	1-3	98xx Accessories . . . . . . . . . . . . . . . . . . . . . . .	. 1-3
PA Board Layout (40W) . . . . . . . . . . . . . . .	6-26	2-1	Data Cable Wire Chart . . . . . . . . . . . . . . . . . . .	. 2-8
		4-1	Ceramic SMD Capacitor Identification . . . . . .	. 4-2
800/900 MHz RF		4-2	SMD Inductor Identification . . . . . . . . . . . . . .	. 4-3
RF Board Schematic (800/900 MHz). . . . . .	6-27
PA Board Schematic (15W). . . . . . . . . . . . .	6-27		LIST OF FIGURES
RF Board Layout (800 MHz) . . . . . . . . . . . .	6-28
RF Board Layout (900 MHz) . . . . . . . . . . . .	6-29
VCO Board Layout . . . . . . . . . . . . . . . . . . .	6-30	2-1	Front Mount Installation Components . . . . . . .	2-1
PA Board Layout (15W) . . . . . . . . . . . . . . .	6-30	2-2	Remote Mount Installation Components. . . . . .	2-3
PA Board Schematic (30W). . . . . . . . . . . . .	6-31	2-3	Accessory Cable Installation . . . . . . . . . . . . . . .	2-4
PA Board Layout (30W) . . . . . . . . . . . . . . .	6-32	2-4	Accessory Cable Connector . . . . . . . . . . . . . . .	2-5
800/900 MHz Audio/Logic Board		2-5	R170 Location Diagram . . . . . . . . . . . . . . . . . .	2-5
		2-6	Data Cable Installation (-001 Cable Shown). . .	2-7
Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . .	6-33	3-1	Power Distribution and Switching . . . . . . . . . .	3-3
Board Layout . . . . . . . . . . . . . . . . . . . . . . . .	6-34	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

	February 2001
iv	Part No. 001-9800-001