User Guide

RM-11
Troubleshooting - RF (Part 1) CC Technical Documentation
Page 22 ©2004 Nokia Corporation Confidential Issue 1 02/2004
12 RF-related Supply Lines Distribution
Figure 29: 12 RF-related supply lines distribution
UEM IC
UEM IC
VIO
VIO
= 1.8VDC
= 1.8VDC
V
V
REF
REF
RF1
RF1
= 1.35VDC
= 1.35VDC
VR5
VR5
= 2.78VDC
= 2.78VDC
VR3
VR3
= 2.78VDC
= 2.78VDC
V
V
REF
REF
RF2
RF2
= 1.35VDC
= 1.35VDC
VR7
VR7
= 2.78VDC
= 2.78VDC
VR2
VR2
= 2.78VDC
= 2.78VDC
VR1A
VR1A
= 4.75VDC
= 4.75VDC
VR4
VR4
= 2.78VDC
= 2.78VDC
VR6
VR6
= 2.78VDC
= 2.78VDC
VR1B
VR1B
= 4.75VDC
= 4.75VDC
VCORE
VCORE
= 1.5VDC
= 1.5VDC