List of Abbreviations

Sigma-delta
M Sigma-delta modulator
AAF Antialiasing filter
AC Alternate current
A/D Analog-to-digital
ADC Analog-to-digital converter
ADSL Asymmetric digital subscriber line
AMPS Advanced mobile phone system
ASIC Application-specific integrated circuit
BB Baseband
BE Backward-Euler
BGA Ball grid array
BP Band-pass
BP-M Band-pass sigma-delta modulator
BPF Band-pass filter
CAD Circuit aided design
CDMA Code division multiple access
CDS Correlated double sampling
CLA Clocked averaging
CMFB Common-mode feedback
CMOS Complementary MOSFET
CPU Central processing unit
CS Current-steering
CT Continuous-time
CT-M Continuous-time sigma-delta modulator
D/A Digital-to-analog
DAC Digital-to-analog converter
DC Direct current
DCL Digital cancelation logic
DEM Dynamic element matching
DMT Discrete multitone
DNL Differential nonlinearity
DOR Digital output rate
DR Dynamic range
DRC Design rule checker
DSP Digital signal processor
DT Discrete-time
DT-M Discrete-time sigma-delta modulator
DVB Digital video broadcasting
DVB-H Digital video broadcasting - handheld
DWA Data weighted averaging
EDGE Enhanced data-rates for global evolution
ELD Excess loop delay
ENOB Effective number of bits
ESD Electrostatic discharge
FE Forward-Euler
FFT Fast Fourier transform
FIR Finite impulse response
FOM Figure of merit
FS Full scale
GB Gain-bandwidth product
GPS Global positioning system
GSM Global system for mobile communications
GUI Graphic user interface
H-M Hybrid sigma-delta modulator
HD Harmonic distortion
HDL Hardware description language
HRZ Half-delay return-to-zero
IBN In-band noise power
IC Integrated circuit
IF Intermediate frequency
IIP Input-referred intercept point
IIR Infinite impulse response
IIT Impulse-invariant transformation
ILA Individual level averaging
IM Intermodulation distortion
INL Integral nonlinearity
I/O Input–output
I/Q Inphase/quadrature
ISI Intersymbol interference
ITF Integrator transfer function
LDI Lossless discrete integrator
LNA Low-noise amplifier
LP Low-pass
LP-M Low-pass sigma-delta modulator
LPE Layout parasitic extractor
LPF Low-pass filter
LSB Least significant bit
LTE Long term evolution
LTCC Low-temperature co-fired ceramic
LTI Linear time-invariant
LVS Layout versus schematic
MASH Multistage noise shaping
MEX MATLAB executable
MiM Metal-insulator-metal
MoM Metal-oxide-metal
MOS Metal-oxide-semiconductor
MOSFET MOS field-effect transistor
MOST MOS transistor
MR Multirate
MR-M Multirate sigma-delta modulator
MTPR Multitone power ratio
nMOS n-channel MOSFET
NRZ Nonreturn-to-zero
NTF Noise transfer function
OL Overload level
OS Output swing
OSR Oversampling ratio
OTA Operational transconductance amplifier
PCB Printed circuit board
PDF Probability density function
PDM Pulse-density modulation
PLL Phase-locked loop
pMOS p-channel MOSFET
PSD Power spectral density
PWL Piece-wise linear
PWM Pulse-width modulation
QFP Quad flat package
RF Radio frequency
RTF Resonator transfer function
RZ Return-to-zero
SAR Successive approximation register
SC Switched-capacitor
SDR Software-defined radio
SFDR Spurious-free dynamic range
S/H, S&H Sample and hold
SI Switched-current
SMASH Sturdy multistage noise shaping
SMD Surface-mount device
SNR Signal-to-noise ratio
SNDR Signal-to-noise-plus-distortion ratio
SQNR Signal-to-quantization-noise ratio
SoC System on chip
SR Slew rate
STF Signal transfer function
TDC Time-to-digital converter
TEQ Time-encoding quantizer
THD Total harmonic distortion
UGBW Unity gain bandwidth
UMTS Universal mobile telecommunications system
USMR Upsampling multirate
USTF Unity signal transfer function
VCO Voltage-controlled oscillator
VCRO Voltage-controlled ring oscillator
V/I Voltage-to-current
WCDMA Wideband code division multiple access
WiMAX Worldwide interoperability for microwave access
WLAN Wireless local area network
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