Title :
A 1.57-GHz fully integrated very low-phase-noise quadrature VCO
Author :
Vancorenland, Peter ; Steyaert, Michiel S J
Author_Institution :
Dept. Elektrotechniek, Katholieke Univ., Leuven, Heverlee, Belgium
fDate :
5/1/2002 12:00:00 AM
Abstract :
A very low-phase-noise quadrature voltage-controlled oscillator is presented, featuring an inherently better figure of merit than existing architectures. Through an improved circuit schematic and a special layout technique, the phase noise of the circuit can be lowered. The circuit draws 15 mA from a 2-V supply. The phase noise is -133.5 dBc/Hz at 600 kHz and the tuning range is 24% wide at a center frequency of 1.57 GHz
Keywords :
CMOS analogue integrated circuits; Q-factor; UHF integrated circuits; UHF oscillators; circuit tuning; integrated circuit layout; phase noise; transceivers; voltage-controlled oscillators; 1.57 GHz; 15 mA; 2 V; 600 kHz; CMOS; RF front ends; circuit schematic; figure of merit; layout technique; quadrature VCO; single-chip transceiver systems; tuning range; very low-phase-noise IC; CMOS technology; Circuit optimization; Inductors; Inverters; Phase noise; Q factor; Radio frequency; Resonance; Tuning; Voltage-controlled oscillators;
Journal_Title :
Solid-State Circuits, IEEE Journal of
