User Guide

NHM–7
System Module & UI
PAMS Technical Documentation
Page 16
Issue 1 10/2001
 Nokia Corporation
FunctionUnitMaxTypMinParameterToFromSignal name
TXIP / TXIN UEM RF–IC
Differential voltage
swing (static)
2.23 2.48 Vpp
Programmable
voltage swing.
Programmable
DC level 1.17 1.20 1.23 V
Programmable
common mode
voltage
Source
Impedance
200 ohm
voltage
.
Between
TXIP–TXIN
TXQP /
TXQN
UEM RF–IC Same spec as for TXIP / TXIN Differential
quadrature phase
TX baseband
signal for the RF
modulator
AFC UEM VCTCXO
Voltage Min
Max
0.0
2.4
0.1
2.6
V
Automatic
frequency control
ilf
Resolution 11 bits
s
i
gna
l
f
or
VCTCXO
Load resistance
and capacitance
1
100
kohm
nF
Step settling time 0.2 ms
Aux_DAC
(TxC)
UEM RF
Voltage Min
Max 2.4
0.1 V
Transmitter power
control
Source
Impedance
200 ohm
Resolution 10 bits
Noise density
BW=100Hz...
100kHz
800 nVrms/
sqrt(Hz)
NOTE; Assumed
power control
o
p
a
mp
G
=1
Temp Coef –65 +65 uV/C
oam
G1
RFTemp RF UEM
Voltage at –20
o
C 1,57
V Temperature
fRF
Voltage at +25
o
C 1,7
sensor o
f
RF.
Voltage at +60
o
C 1,79
Vbase RF UEM Voltage 2.7 V Detected voltage
from PA power
level sensing unit
External Signals and Connections
UI (board–to–board) connector
Pin Signal Min Nom Max Condition Note
1 SLOWAD(2) 1.5V
0.1V
2.7V
1.0V
Flip closed
Flip open
used for flip
identification
2 VBAT 3.0V 3.6V 4.2V Battery voltage
for leds
3 ROW(4) 0.7xVIO
0
1.8V
0.3xVIO
High
Low
Keyboard ma-
trix row 4