Rf Power Supplies - Nokia NPD-4 Series Technical Documentation Manual

CCS Technical Documentation

RF Power Supplies

Supply Voltage
VR1A 4.75
VR1B 4.75
VR2 2.78
VR3 2.78
VR4 2.78
VR5 2.78
VR6 2.78
VR7 2.78
VIO 1.8
VRX 2.78
VPLL 2.78
VBAT 3.1-4.2
Issue 1 02/2003
Table 12: DC supplies for RF circuitry
Supplied components
VCTCXO, UHF PLL, Charge Pump
Robin
Robin, Power Detector
Robin, VCTCXO
UHF PLL
Batman
UHF LO Buffer
Batman
Robin, UHF PLL
Alfred
UHF PLL
PA
Nokia Corporation
Troubleshooting — RF
Probing location
figure 9
Not accessible
figure 9
figure 9
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figure 9
figure 9
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figure 9
Confidential
NPD-4
Page 39