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A low-noise transformer-based 1.7 GHz CMOS VCO

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3 Author(s)
Straayer, M. ; Dept. of Electr. Eng. & Comput. Sci., Michigan Univ., Ann Arbor, MI, USA ; Cabanillas, J. ; Rebeiz, G.M.

A low-noise transformer-based 0.35 /spl mu/m CMOS VCO operates at 1.7 GHz. The VCO core consumes 4.5 mA from 2.5 V, and results in phase noise of -116, -137 and -142 dBc/Hz at 100 k, 600 k and 1 MHz from the carrier, respectively. The tuning range is 107 MHz for 0-2.5 V tuning voltage. The oscillator is based on a transformer-type resonator.

Published in:

Solid-State Circuits Conference, 2002. Digest of Technical Papers. ISSCC. 2002 IEEE International  (Volume:1 )

Date of Conference:

7-7 Feb. 2002