User Manual

TABLE OF CONTENTS
391500 Page 3
SECTION 1: THEORY OF OPERATION .................................................................................................... 4
General Block Diagram.................................................................................................................. 4
General Block Diagram Definitions
..................................................................................... 4
Input/Output ........................................................................................................... 4
System Controller................................................................................................... 4
Modems
........................................................................................................... 5
Diversity Reception
.......................................................................................... 5
RX Injection............................................................................................................ 5
Transmitter ............................................................................................................. 5
Receiver 1/ 2/ 3...................................................................................................... 5
Power Supply......................................................................................................... 5
B09150-12 Base Station Section Descriptions ........................................................................... 6
System Controller
................................................................................................................ 6
Input/Output
........................................................................................................................ 6
Modem Switching
................................................................................................................ 6
Modem
...............................................................................................................................7
Receive Signal Strength Indication Comparator
................................................................. 7
Baseband ............................................................................................................................ 8
Receiver Board ................................................................................................................... 8
IF Amplifier
.......................................................................................................................... 8
Receiver Injection................................................................................................................ 9
Exciter Board....................................................................................................................... 9
Analog Modulation
............................................................................................................ 10
Phase Locked Loop .......................................................................................................... 10
Power Amplifier................................................................................................................. 11
SECTION 2: FCC LABEL.......................................................................................................................... 12
B09150-12 Base Station FCC Label Placement ........................................................................ 12
B09150-12 Base Station FCC Label............................................................................................ 12
APPENDIX A: B09150-12 CIRCUIT BOARD DIAGRAM.......................................................................... 13
APPENDIX B: B09150-12 TEST DATA SHEET........................................................................................ 17