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Selected Symbols and Abbreviations
Symbol
MeaningDVD 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 MOSRTH 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
D
n,p The saturation limits from negative supply rail (n) and positive supply rail (p)h
The power efficiency of an input stagemi The current modulation index
ACC,rel The relative accuracy
VGT The effective gate-source voltage VGS-VT
SA2
VT0n,p A2VT0n+ A2VT0p