Nokia RH-9 Series Ccs Technical Documentation page 76

RH-9
System Module & UI
Idle
RX
TX, without PA
TX, power level 5, E-
GSM
TX, power level 0,
GSM1800
VR2
VR3
VR5
UEM
VR1a
VrefRF01
VR6
VIO
VR7
Vbat
Page 76
1.2 mA
84 mA,
peak
141 mA,
peak
1700 mA,
peak
1220 mA,
peak
Figure 27: Power distribution diagram
Internal Mjoelner
2.78 V +/- 3%
@ 100 mA
Modulator loading
Digital control logic
network
2.78 V +/- 3 %
VCXO Power Supply
@ 20 mA
Baseband clk buffer
2.78 V +/- 3 %
Dividers & LO buffer
@ 50 mA
4.75 +/- 3%
@ 10 mA
1.35 v +/- 2%
Ref. volt for Mjoelner
< 100uA
2.78 V +/- 3%
@ 50 mA
1.8 V +/- 4.5 %
Digital com. interface
@ 150 mA
2.78 V +/- 3 %
@ 45 mA
Dual Band PA
ãNokia Corporation
CCS Technical Documentation
Including TX buffer & RX/TX
switch
Efficiency 48% (at max power
– 1 dB)
Efficiency 40% (at max power
– 1 dB)
TX modulator
Power Loop Amp
PLL Pres-scaler
PLL counters
PLL charge pump
LNA and Pre-gain
BB Section
VCO module
VCO
Issue 1 11/02