IPMobileNet B32150-25, Руководство пользователя для продукта, Страница: 3 / 18

TABLE OF CONTENTS
402004 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
B32150-25 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
B32150-25 Base Station FCC Label Placement ........................................................................ 12
B32150-25 Base Station FCC Label ............................................................................................ 12
APPENDIX A: B32150-25 CIRCUIT BOARD DIAGRAM
.......................................................................... 13
APPENDIX B: B32150-25 TEST DATA SHEET ........................................................................................ 17