HUAWEI MC509 Series CDMA LGA Module
Hardware Guide
Appendix B Acronyms and Abbreviations
Issue 02 (2013-05-06)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
78
Acronym or Abbreviation
Expansion
LCP
Liquid Crystal Polyester
LDO
Low-dropout
LED
Light-emitting Diode
LNA
Low Noise Amplifier
LPF
Low Pass Filter
MCP
Multi-chip Package
NF
Noise Figure
NTC
Negative Temperature Coefficient
PBCCH
Packet Broadcast Control Channel
PCB
Printed Circuit Board
PCM
Pulse Coded Modulation
PCS
Personal Communication System
PDU
Protocol Data Unit
PLL
Phase Lock Loop
RF
Radio Frequency
RoHS
Restriction of the use of certain Hazardous
Substances
RTC
Real-time Clock
RUIM
Removable User Identity Module
Rx
Receive
SCH
Supplemental Channel
SYNCH
Sync Channel
TTL
Transistor-transistor Logic
TVS
Transient Voltage Suppressor
UDP
VSWR
Voltage Standing Wave Ratio