Selected Symbols and Abbreviations


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Selected Symbols and Abbreviations

Symbol Meaning

DVD Digital Video Disk

GPS Global Positioning System

PCS Personal Communication System

PDA Personal Digital Assistant

DR Dynamic Range

S/N Signal to Noise Ratio

DECT Digital Enhanced Cordless Telecommunications standard

OTA Operational Transconductance Amplifier

D/A Digital to Analog Converter

Sinc sin(x)/x function

BER Bit Error Rate

DSP Digital Signal Processing

ECL Emitter Coupled Logic

CML Current Mode Logic

ETR Energy per TRansition

FIR Finite Impulse Response Filter

IIR Infinite Impulse Response Filter

RCA Ripple Carry Adders

CS Carry Select adders

CLA Carry Look-Ahead adders

CSA Conditional Sum Adders

CSD Carry Signed Digit

S/H Sample and Hold

EC Gate-oxide breakdown field

a Proportional to

gm Transconductance of a MOS/Bipolar transistor

r0 Incremental output resistance of a transistor

COX The gate-oxide capacitance

s2(X) The variance of the random variable X (the second central moment m2)

b The current gain factor of a MOS

RTH The thermal noise resistance of a transistor

SV The power spectral density of the noise voltage [V2/Hz]

BW Bandwidth

G Gain

GBW Gain-Bandwidth product

WI Weak-Inversion

SI Strong Inversion

NEF Noise Excess Factor

Dn,p The saturation limits from negative supply rail (n) and positive supply rail (p)

h The power efficiency of an input stage

mi The current modulation index

ACC,rel The relative accuracy

VGT The effective gate-source voltage VGS-VT

SA2VT0n,p A2VT0n+ A2VT0p

Trimble

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