Engineering Notes

POWER RF AMPLIFIERS TECHNICAL REFERENCE MATERIAL

3G – third generation

A/D – analog-to-digital

AC – alternating current

ACPR – adjacent–channel power ratio

ADC – analog–to–digital converter

AIMS – advanced iterative matrix solvers

AMPS – advanced mobile phone system

ASIC – application–specific integrated circuit

ASP – application service provider

ATM – asynchronous transfer mode

AWGN – additive white gaussian noise

BDR – blocking dynamic range

BER – bit error rate

BPSK – binary phase shift keying

CCRR – co–channel rejection ratio

CDMA – code–division multiple access

CDPD – cellular digital packet data

CDR – call detail record

CMOS – complementary metal oxide semiconductor

CPE – customer premises equipment

CSU – channel service unit

DC – direct current

DCS – distributed communications system

DDS – direct digital synthesis

DECT – digital european cordless telephone

DSP – digital signal processor

DUT – device under test

EDA – electronic design automation

EDGE – enhanced data for global evolution

EIA – electronics industry association

EM – electromagnetic

EMC – electromagnetic compatibility

EMI – electromagnetic interference

EOS – electrical overstress

ESD – electrostatic discharge

FA – failure analysis

FDD – frequency division duplex

FET – field-effect transistor

FIR – finite impulse response

FSK – frequency shift keying

GaAs – gallium arsenide

GaN – gallium nitride

GFSK – gaussian filtered frequency shift keying

GMSK – gaussian minimum shift–keying

GPIB – general-purpose interface bus

GPRS – general packet radio service

GSM – global system for mobile communications

HBT – heterojunction bipolar transistor

HCI – host controller interface

HDR – high data rate

HEMT – high electron mobility transistor

HSCSD – high–speed circuit-switched data

I and Q – in–phase and quadrature

I/O – input/output

IAD – integrated access device

IC – integrated circuit

IEC – international electrotechnical commission

IF – intermediate frequency

IM – intermodulation

IMD – intermodulation distortion

InP – indium phosphide

IQC – incoming quality control

IR – infrared

IS–95 – EIA interim standard 95

ISM – industrial, scientific medical

IT – information technology

LDMOS – laterally diffused metal oxide silicon

LMDS – local multipoint distribution service

LNA – low–noise amplifier

LO – local oscillator

LOS – line of sight

LPF – low–pass filter

LSI – large scale integration

LTCC – low–temperature co–fired ceramic

MDS – multipoint distribution systems

MMDS – multichannel multipoint distribution service

MMIC – monolithic microwave integrated circuit

MOSFET – metal–oxide semiconductor field–effect transistor

MOU – minutes of use

MTBF – mean time between failures

NRZ – non–return to zero

NTC – negative temperature coefficient

OEM – original equipment manufacturer

OSS – operation system support

PA – power amplifier

PC – personal computer

PCB – printed circuit board

PCS – personal communications system

PDA – personal digital assistant

PDC – pacific digital cellular

PIM – personal information management

PLL – phase–locked loop

PPM – parts per million

PSK – phase shift keying

PSTN – public switched telephone network

PTFE – polytetrafluoroethylene

QoS – quality of service

QPSK – quadrature phase shift keying

RFI – radio frequency interference

RFIC – radio frequency integrated circuit

ROM – read–only memory

RSSI – received signal strength indicator

RTT – radio transmitter technologies

SD – sigma delta

SDH – synchronous digital hierarchy

SFDR – spurious-free dynamic range

SMD – short message delivery

SMS – short messaging service

SMT – surface–mount technology or surface–mount toroidal

SNR – signal–to–noise ratio

SONET – synchronous optical network

SPDT – single–pole double–throw

SSB – single sideband

SSPA – solid state power amplifiers

TCP – transmission control protocol

TDD – time division duplex

TDMA – time–division multiple access

TETRA – trans european trunked radio

TIA – telecommunications industry association

TTL – transistor –transistor logic

TXCO – temperature–compensated crystal oscillator

UDP – user datagram protocol

UMTS – universal mobile telecommunications service

UTRA – UMTS terrestrial radio access

UWC – universal wireless consortium

VCO – voltage-controlled oscillator

VCXO – voltage–controlled crystal oscillator

VOFDM – vector orthogonal frequency division multiplexing

VSAT – very small aperture terminal (satellite service)

VSWR – voltage standing wave ratio

WAP – wireless application protocol

W–ASP – wireless application service provider

W–CDMA – wideband code–division multiple access

WLAN – wireless local area network

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