User Guide

Nokia Customer Care System Module
RH-37
Issue 1 07/04 Nokia Corporation Page 5
Transmitter signal paths............................................................................................................... 55
Frequency synthesizer signals..................................................................................................... 56
Printed Wired Board ............................................................................................................................ 57
RF key component placement .........................................................................................................58
Appendix 7A: Differentiation between RH-37 and RH-49 ............................................. 61
Differentiation between 900 MHz and 850 MHz (US) version (RH-37 vs. RH-49)........... 62
Antenna radiator (I039) and deco foil (I041) .............................................................................62
RF components ....................................................................................................................................62
MCU-SW ................................................................................................................................................. 65
Tuning ....................................................................................................................................................65
Flash exchange...................................................................................................................................... 66
Tuning and testing.......................................................................................................................... 67
Power Amplifier / Antenna Switch Exchange............................................................................... 69