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A 1.57-GHz fully integrated very low-phase-noise quadrature VCO

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2 Author(s)
Vancorenland, P. ; Dept. Elektrotechniek, Katholieke Univ., Leuven, Heverlee, Belgium ; Steyaert, M.S.J.

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

Published in:

Solid-State Circuits, IEEE Journal of  (Volume:37 ,  Issue: 5 )