User Guide

Nokia Customer Care System Module
Company Confidential RH-21
Issue 2 07/2004  2004 Nokia Corporation. Page 21
6PATEMP RF
Power
detec-
tion
mod-
ule
UEM In Ana 0.1-2.7V - Tx PA Temperature to UEM,
NTC in Power Detection
Module
RFCONV(9:0) RF-BB differential Analog Signals: Tx I&Q, Rx I&Q and reference
voltages
0 RXIP RFIC UEM In Ana 1.4Vpp
max. diff.
0.5Vpp typ
bias 1.30V
Differential positive/nega-
tive in-phase Rx Signal
1RXIN
2 RXQP Diff. positive/negative quad-
rature phase Rx Signal
3RXQN
4 TXIP UEM RFIC Out Ana 2.2Vpp
max. diff.
0.6Vpp typ
bias 1.30V
Differential positive/nega-
tive in-phase Tx Signal
5TXIN
6 TXQP Diff. positive/negative quad-
rature phase Tx Signal
7TXQN
9 VREFRFO1 UEM RFIC Out Vref 1.35 V RF IC Reference voltage
from UEM
RFAUXCON(2:9) RF-BB Analog Control Signals to/from UEM
1 TXPWRDET TXP
Det.
UEM In Ana 0.1-2.4V 50 us Tx PWR Detector Signal to
UEM
2 AFC UEM VCTCX
O
Out Ana 0.1-2.4V Automatic Frequency Con-
trol for VCTCXO
VRF Globals instead of Bus Regulated RF Supply Voltages from UEM to RF. Current values are of
the regulator specifications, not the measured values of RF
VR1 A UEM RFIC Out Vreg 4.75 V
+- 3%
10mA
max.
UEM, charge pump + linear
regulator output. Supply for
UHF synth phase det...
VR1 B UEM RFIC Out Vreg 4.75 V
+- 3%
10mA
max.
UEM, charge pump + linear
regulator output. Supply for
Tx VHF VCO.
VR2 UEM RFDis
cr./
RFIC
Out Vreg 2.78 V
+- 3%
100
mA
max.
UEM linear regulator. Supply
voltage for Tx IQ filter and
IQ to Tx IF mixer.
VR3 UEM VCTCX
O
Out Vreg 2.78 V
+- 3%
20mA
max.
UEM linear regulator. Power
supply to VCTCXO + RFCLK
Buffer in RF IC.
RIP
Signal
name
Connected
from - to
BB I/O
Signal Properties
A/D Levels-Freq./
Timing resolution
Description / Notes