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A CMOS VCO architecture suitable for sub-1 volt high-frequency (8.7-10 GHz) RF applications

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2 Author(s)
Mostafa, A.H. ; Microelectron. & Comput. Syst. Lab., McGill Univ., Montreal, Que., Canada ; El-Gamal, M.N.

This paper proposes an LC-based oscillator structure which enables operation from a supply voltage as low as 0.85 V, while being suitable for high-frequency RF applications. Two VCO prototypes were fabricated in a standard 0.18 μm CMOS process. The 8.7 GHz VCO operates from a supply voltage of 0.85 V, consumes 6 mW, and exhibits -100 dBc/Hz phase noise at 600 kHz offset. The 10 GHz prototype operates from a supply voltage of 1 V, consumes 9 mW, and has -98 dBc/Hz phase noise at 600 kHz offset. A tuning range of 400-450 MHz is achieved without using varactors

Published in:

Low Power Electronics and Design, International Symposium on, 2001.

Date of Conference:

2001