User Guide

CCS Technical Documentation 7 - System Module & UI
Company Confidential NMM-3
Issue 1 (11/2003) Copyright 2003 Nokia Corporation Page 7-3
Company Confidential
General ............................................................................................................................................. 30
Description of the RF Related Converters .............................................................................. 31
GSM RF ..................................................................................................................................................33
GSM RF Characteristics ............................................................................................................... 33
GSM functional descriptions ......................................................................................................... 34
RF block diagram ........................................................................................................................... 34
GSM frequency synthesizer ........................................................................................................ 35
GSM transmitter ............................................................................................................................ 35
Power control ................................................................................................................................. 36
GSM receiver ................................................................................................................................... 37
AGC strategy ................................................................................................................................... 38
AFC function ................................................................................................................................... 39
WCDMA RF ...........................................................................................................................................40
WCDMA RF Characteristics ........................................................................................................ 40
WCDMA Functional Description ................................................................................................... 41
WCDMA synthesizers ................................................................................................................... 41
WCDMA transmitter ..................................................................................................................... 42
TX power control ............................................................................................................................ 43
WCDMA receiver ............................................................................................................................ 44
AGC strategy ................................................................................................................................... 45
Tables
1. Voltage supplies and references ........................................................................................... 27
2. Binary signals ............................................................................................................................. 29
3. Analog signals ............................................................................................................................ 29
4. GSM900 / GSM1800 System Characteristics .................................................................... 33
5. Transmitter Characteristics .................................................................................................... 33
6. Receiver Characteristics .......................................................................................................... 33
7. WCDMA System Characteristics ........................................................................................... 40
8. TX Main Characteristics ........................................................................................................... 40
9. RX Main Characteristics .......................................................................................................... 40
Figures
1. Voltage supplies for RF ............................................................................................................ 28
2. RF related converters ............................................................................................................... 32
3. GSM RF Block Diagram ............................................................................................................ 34
4. Phase locked loop, PLL ............................................................................................................. 35
5. GSM Power Control Loop ........................................................................................................ 37
6. RX Gain Control in GSM .......................................................................................................... 39
7. WCDMA TX Block Diagram ..................................................................................................... 42
8. WCDMA RX Block Diagram .................................................................................................... 44
9. RX Gain Control in WCDMA ................................................................................................... 45