User's Manual

TABLE OF CONTENTS
F32700N25.doc Page 2
SECTION 1: THEORY OF OPERATION ..................................................................... 3
General Block Diagram .................................................................................... 3
General Block Diagram Definitions .......................................................... 3
F32700N25 Fixed Radio Section Descriptions ............................................... 5
Microcontroller ......................................................................................... 5
Support Circuitry .......................................................................... 5
Inputs/Outputs ......................................................................................... 5
Modem ..................................................................................................... 6
VLogic and Digital Ground ....................................................................... 6
Receiver 1 Front-End ............................................................................... 7
Receiver 1 IF ........................................................................................... 7
Transmit Modulation ................................................................................ 7
Injection Synthesizer ................................................................................ 8
Transmitter/TR Switch ............................................................................. 8
Power and Analog Ground ....................................................................... 8
SECTION 2: FACTORY TEST PROCEDURE ............................................................. 9
Equipment List .................................................................................................. 9
Programming and Configuring Fixed Radio ................................................ 10
Adjustment / Alignment Procedures ............................................................. 11
Receiver Injection .................................................................................. 11
Receiver ................................................................................................. 11
Transmit Data ........................................................................................ 12
Transmit Power Control ......................................................................... 12
Receive Data ......................................................................................... 13
Final Test ............................................................................................... 13
Uplink Hardware Timing Verification ...................................................... 15
Downlink Hardware Timing Verification ................................................. 17
SECTION 3: FCC LABEL .......................................................................................... 19
F32700N25 Data Transceiver FCC Label Placement ................................... 19
F32700N25 Data Transceiver FCC Label ...................................................... 19
APPENDIX A: F32700N25 CIRCUIT BOARD DIAGRAMS ...................................... 20
APPENDIX B: F32700N25 TEST DATA SHEET ...................................................... 21