User Guide

PAMS Technical Documentation 6 - Troubleshooting
NPE-4
Original ãNokia Corporation. Page 6-27
Abbreviations in fault finding charts
BB Baseband
DC Direct Current
EGSM Extended GSM (See section 9.6.1 for frequency range)
ESD Electro Static Dicharge
f: Frequency of signal (measured with Spectrum Analyzer)
GPRS General Packed Radio Service
HSCSD High Speed Circuit Switched Data
LO Local Oscillator
P: Power of signal in decibels (dB) (measured with Spectrum Analyzer)
PA Power Amplifier
PCB Printed Circuit Board
PCN GSM1800 (See section 9.6.2 for frequency range)
PLL Phase Locked Loop
RF Radio Frequency
RX Receiver
T: Time between pulses
TX Transmitter
UHF Ultra High Frequency
V: Voltage of signal (measured with oscilloscope)
VCO Voltage controlled oscillator
VHF Very High Frequency