Nokia NSW-5 Series - Page 235

NSW-5
Disassembly and Troubleshooting Instructions
PAMS Technical Documentation
Page 29
Issue 1 10/00
 Nokia Mobile Phones Ltd.
FunctionUnitMaxTypMinParameterToFromSignal
name
VR5 CCont RF Voltage 2.7 2.8 2.9 V Supply voltage for
EROTUS TX
modulator and TX
pwr control cir-
cuits
VR7 CCont RF Voltage 2.7 2.85 2.9 V TX800 PA bias
and driver amplifi-
er supply voltage
VR7_bi
as
CCont RF Voltage 2.7 2.85 2.9 V TX800 PA bias
switching voltage
”0”=AMPS
”1”=TDMA
V5V CCont EROTUS Voltage 4.8 5.0 5.2 V Erotus and 2 Ghz
PLL chargepump