User Guide

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Introduction to transmitter functionality.................................................................................................... 9–30

WCDMA transmitter........................................................................................................................................ 9–30

GSM transmitter.............................................................................................................................................. 9–31

Frequency synthesizers ................................................................................................................................. 9–31

Regulators....................................................................................................................................................... 9–32

Frequency mappings........................................................................................................................................... 9–33

GSM850 frequencies....................................................................................................................................... 9–33

EGSM900 frequencies..................................................................................................................................... 9–34

GSM1800 frequencies..................................................................................................................................... 9–35

GSM1900 frequencies..................................................................................................................................... 9–36

WCDMA 2100 Rx frequencies......................................................................................................................... 9–37

WCDMA 2100 Tx frequencies ......................................................................................................................... 9–38

List of Tables

Table 19 MicroSD interface................................................................................................................................. 9–11

Table 20 LED driver control signals ................................................................................................................... 9–17

Table 21 Audio connector pin assignments ..................................................................................................... 9–24

Table 22 Charging interface connections ......................................................................................................... 9–26

Table 23 Charging IF electrical characteristics ................................................................................................. 9–26

Table 24 Battery interface connections ............................................................................................................ 9–26

Table 25 Display interface connections ............................................................................................................ 9–27

Table 26 Back-up battery connections.............................................................................................................. 9–28

Table 27 Back-up battery electrical characteristics ......................................................................................... 9–29

List of Figures

Figure 63 System level block diagram .................................................................................................................9–5

Figure 64 Clocking scheme....................................................................................................................................9–9

Figure 65 Hall sensor........................................................................................................................................... 9–10

Figure 66 SIM interface ....................................................................................................................................... 9–10

Figure 67 Battery pin order................................................................................................................................ 9–11

Figure 68 MicroSD card interface ....................................................................................................................... 9–11

Figure 69 Camera interface ................................................................................................................................ 9–12

Figure 70 BT-WLAN coexistence framework..................................................................................................... 9–14

Figure 71 BT-WLAN system partitioning........................................................................................................... 9–14

Figure 72 ALS interface ....................................................................................................................................... 9–18

Figure 73 Audio block diagram.......................................................................................................................... 9–20

Figure 74 Internal microphone.......................................................................................................................... 9–21

Figure 75 External microphone.......................................................................................................................... 9–21

Figure 76 Internal earpiece................................................................................................................................ 9–22

Figure 77 Internal speaker ................................................................................................................................. 9–22

Figure 78 External earpiece circuitry (Pop-Port connected on the right)...................................................... 9–23

Figure 79 Vibra circuitry ..................................................................................................................................... 9–23

Figure 80 External audio connector .................................................................................................................. 9–24

Figure 81 Charger connector.............................................................................................................................. 9–25

Figure 82 Battery pin order................................................................................................................................ 9–26

Figure 83 GSM receiver after the antenna switch ............................................................................................ 9–30

Figure 84 Block diagram of DCDC converter and WCDMA PA........................................................................... 9–31

RM-208

Nokia Customer Care System Module

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