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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
1. Introduction
1. Introduction
KM555E service manual
For the purposes of this manual, following abbreviations apply:
◆
APC
Automatic Power Control
◆
BB
Baseband
◆
BER
Bit
Error
Ratio
◆
CC-CV
Constant Current – Constant Voltage
◆
CLA
Cigar
Lighter
Adapter
◆
DAC
Digital
to
Analog
Converter
◆
DCS
Digital
Communication
System
◆
dBm
dB relative to 1 milli-watt
◆
DSP
Digital
Signal
Processing
◆
EEPROM
Electrical Erasable Programmable Read-Only Memory
◆
EGPRS
Enhanced General Packet Radio Service
◆
EL
Electroluminescence
◆
ESD
Electrostatic
Discharge
◆
FPCB
Flexible Printed Circuit Board
◆
GMSK
Gaussian Minimum Shift Keying
◆
GPIB
General Purpose Interface Bus
◆
GPRS
General Packet Radio Service
◆
GSM
Global System for Mobile Communications
◆
IPUI
International
Portable
User
Identity
◆
IF
Intermediate
Frequency
◆
LCD
Liquid
Crystal
Display
◆
LDO
Low
Drop
Output
◆
LED
Light
Emitting
Diode
◆
LGE
LG
Electronics
◆
OPLL
Offset Phase Locked Loop
◆
PAM
Power
Amplifier
Module
◆
PCB
Printed
Circuit
Board
◆
PGA
Programmable
Gain
Amplifier
◆
PLL
Phase
Locked
Loop
1.3 Abbreviation