User Guide

RM-30
Nokia Customer Care 7 - System Module
54 COMPANY CONFIDENTIAL Issue 1 01/2005
Copyright © 2005 Nokia. All Rights Reserved.
Printed Wiring Board
Figure 19:Assembled PWB with shielding chambers
Small Signal Chamber
with RF ASIC (Helgo), reference oscillator
(VCTCXO) and VCO (separate lid)
Baseband Chamber
Large Signal Chamber
with RF Power Amplifier (PA) and
Antenna Switch Module (ASM)
Antenna Pad