Regulators - Nokia RH-41 Series Technical Documentation Manual

CCS Technical Documentation
UEM
VR1a
VR2
VR3
VR4
5 mA
VR5
5 mA
IPA1
5 mA
IPA2
VR7
VFLASH1
VREFRF01
VBATT 3.1-5.0 V

Regulators

The regulator circuit is the UEM and the specifications can be found in the following
table:
Issue 2 09/2003
1 mA
Pwr Det
1 mA
VCTCXO
PA 800
630 mA
PA 1900
750 mA
10 mA
2G VCO
Figure 12: Power distribution
Nokia Corporation
TACO
Taco
2 mA
UHF phasedet.
TX VHF VCO
40 mA
2G TX mixer
38/36 mA
TX-IF
60 mA
1G TX mixer
0.9 mA
REF_in / REF_out
0.5 mA
biasing
6.0 mA
RX 1st mixer
12 mA
RX-IF
4.3/5.6 mA
LNA / LNA_bias
2G LNA
4.5 mA
TXVHF PLL
5.6 mA
RXVHF PLL
4.1/4.7 mA
RX 1st mixer
6.7/5.1 mA
UHF PLL
0/10 mA
LO buff (2G TX mix)
10 /0mA mixer
LO buff (1G TX mix)
mixer
0.8 mA
REF_in + PLLs
50 uA
bias reference
Confidential
RH-41
System Module
VCC_CP
VCC_TXMIX
VCC_TX
VCC_TXMIX
VCC_REF
VCC_RX
VCC_RX
VCC_RX
VCC_LNA
VCC_TX2
VCC_RX2
VCC_PLL
VCC_PLL
VCC_PLL
VCC_PLL
VCC_DIGI
VREF
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