Block diagram..................................................................................................................................................................................8-5

System module block diagram.............................................................................................................................................8-5

Functional description.............................................................................................................................................................8-6

Baseband description....................................................................................................................................................................8-6

UPP ................................................................................................................................................................................................8-6

UEMCLite.......................................................................................................................................................................................8-6

External regulators...................................................................................................................................................................8-7

Energy management................................................................................................................................................................8-7

Modes of operation...................................................................................................................................................................8-8

Voltage limits..............................................................................................................................................................................8-9

Audio function description.....................................................................................................................................................8-9

External audio connector.....................................................................................................................................................8-11

External signals and connections......................................................................................................................................8-11

Interfaces.........................................................................................................................................................................................8-12

RF and baseband interfaces................................................................................................................................................8-12

Analogue Signals.....................................................................................................................................................................8-15

LCD interface.............................................................................................................................................................................8-16

Keyboard....................................................................................................................................................................................8-16

SIM interface.............................................................................................................................................................................8-17

External signals and connections......................................................................................................................................8-11

Battery connector...................................................................................................................................................................8-19

Battery........................................................................................................................................................................................8-20

PWB outline..............................................................................................................................................................................8-21

RF description................................................................................................................................................................................8-21

Frequency band, power and multi-slot class.................................................................................................................8-21

Transmitter - general description.....................................................................................................................................8-21

Transmitter - signal processing..........................................................................................................................................8-22

VCXO and PLL............................................................................................................................................................................8-22

List of Tables

Table 10 RF power supply.............................................................................................................................................................8-7

Table 11 Baseband power supply..............................................................................................................................................8-7

Table 12 Voltage limits..................................................................................................................................................................8-9

Table 13 Connector for External Audio Accessories...........................................................................................................8-11

Table 14 System connector........................................................................................................................................................8-11

Table 15 AC and DC Characteristics of BB4.0 LiteV2 RF-Base band Digital Signals...................................................8-12

Table 16 AC and DC Characteristics of RF-Base band Analogue Signals.......................................................................8-15

Table 17 The electrical parameters.........................................................................................................................................8-18

Table 18 System connector........................................................................................................................................................8-11

Table 19 Battery IF........................................................................................................................................................................8-19

Table 20 Frequency bands and TX power class...................................................................................................................8-21

Table 21 Multi-slot class..............................................................................................................................................................8-21

List of Figures

Figure 143 Module block diagram.............................................................................................................................................8-5

Figure 144 Power connection diagram....................................................................................................................................8-8

Figure 145 SIM filtering.................................................................................................................................................................8-8

Figure 146 Audio block diagram..............................................................................................................................................8-10

9243363 (Issue 1)

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Nokia Customer Care

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