VCO	Voltage controlled oscillator
ADC	Analog-to-digital converter
ENOB	Effective number of bits
PVT	Process, voltage and temperature
CMOS	Complementary metal oxide semiconductor
SoC	System on a chip
DC	Direct current
PFM	Pulse frequency modulation
DAC	Digital-to-analog converter
DDS	Direct digital synthesis
DCO	Digitally controlled oscillator
ORR	Overrunning ratio
SNDR	Signal-to-noise-and-distortion ratio
MEMS	Micro electro-mechanical system
FoM	Figure of merit