Nokia NKC-1X Series Technical Documentation Manual page 4

System module

Hide thumbs Also See for NKC-1X Series:

Table of Contents

NKC-1X

System Module

Regulators................................................................................................................ 47

Receiver .....................................................................................................................47

AMPS/TDMA 800 MHz Front End........................................................................ 49

Frequency Synthesizers .............................................................................................50

Transmitter .................................................................................................................50

Common IF ............................................................................................................. 51

Cellular Band........................................................................................................... 51

Power Control ......................................................................................................... 51

Antenna Circuit ....................................................................................................... 52

TAntenna ...................................................................................................................52

List of Figures

Fig 1 IInterconnecting Diagram...........................................................................................7

Fig 2 System Block Diagram (simple) ................................................................................10

Fig 3 Placement of keys.......................................................................................................14

Fig 4 Battery Connection Diagram ......................................................................................18

Fig 5 BMC-3 Battery contacts (BLC-2 has the same interface)..........................................19

Fig 6 System Connector.......................................................................................................20

Fig 7 Accessory Detection / External Audio. ......................................................................21

Fig 8 4-wire, fully differential headset connector pin layout...............................................22

Fig 9 Top View of Production Test Pattern.........................................................................23

Fig 10 Test points Located Between UEM and UPP...........................................................23

Fig 11 RF Frequency Block Plan.........................................................................................45

Fig 12

Power distribution diagram ....................................................................................46

Fig 13

Page 4

Nokia Corporation

CCS Technical Documentation

Issue 1 02/03

Page No

Table of Contents