User Guide

CCS Technical Documentation System Module
NPM-2NX
Issue 1 07/02 ãNokia Corporation Page 5
Abbreviations
ADC Analog to Digital Converter
ASIC Application Specific Integrated Circuit
BB Baseband
COG Chip On Glass
ENGINE The Transceiver parts fixed to PWB
FBUS Fast asynchronous serial bus
FDL Flash Down Loading, programming the phone FLASH memory
GSM Global system for mobile communications (Groupe Spêcial Mobile)
HW Hardware
I & Q In phase and Quadrature components of complex signal
IR Infrared. A wireless data/audio transmit medium.
IrDA Infrared Data Association
JTAG An in-circuit test method, based on the standard IEEE-1149.1
LDO Low Drop Out
LED Light Emitting Diode
Low Iq mode Low quiescent current mode
MBUS A bidirectional serial bus
NTC Negative Temperature Coefficient.
PWB Printed Wiring Board
PCM Pulse Code Modulation
PDM Pulse Density Modulation
PWM Pulse Width Modulation
RF Radio Frequency
Rx Receiver path