User Guide

PAMS Technical Documentation System Module
NSB-5
Issue 1 03/01 Nokia Mobile Phones Ltd. Page 53
Control Signals
Regulator Specifications
* default power element is PNP BJT. If a FET-device is used, special care must be taken to ensure sta-
bility.
NOTE: Maximum total current from all regulators is 330 mA rms.
Table 15: Control signals and maximum current consumption
VCXOEN SYNPWR RXPWR TXPWR TXP
CURRENT
consump.
(typ.)
CURRENT
consump.
(max)
Notes
LLLLL<10µA<10µA leakage current (PA)
H L L L L 1.7mA 3.0 mA VCTCXO active
H H L L L 42.5 mA 61.2 mA VCTCXO, VCOs PLL active
HHHLL107.8 mA143.8 mARX active
H H L H L 140 mA 186.4 mA TX active except PA
H H L H H 1310 mA 1576 mA TX active full power
Table 16: Current output capability/nominal voltage of RF regulators
Regulator
Maxim
um
output
current
Unit Vout Unit Notes
VR1 to VR5 100 mA 2.8 V
VR7 150 mA 2.8 V Depends on external BJT
VR7BASE -10 mA Base current limit *
V5V 30 mA 5.0 V
Table 17: RF regulator specifications
Characteristics Condition Min Typ Max Unit
External compensation
capacitor VR1 - VR7
Note: ESR value <<1 ohm
Iout=100mA
11 µF
External compensation
capacitor VR1 - VR7
Note: ESR value <<1 ohm
Iout<40mA
0.220 0.220 µF
Output voltage VR1 - VR7 over full temperature,
input voltage and load
range
2.7 2.8 2.85 V
Tracking error VR1 - VR7 over full temperature,
input voltage and load
range
tbd
(<0.2)
%