An extremely miniaturized 15-GHz CMOS distributed voltage-controlled oscillator
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A distributed voltage-controlled oscillator (DVCO) employing novel multilayered inductors is implemented in a standard 0.18-m CMOS process. The DVCO is at least 90% smaller than the earlier reported DVCOs and its core occupies a mere 348 m 195 m or 0.06 mm 2, making it the smallest distributed VCO reported in any monolithic technology to date. The VCO employs a four-stage unstable distributed amplifier and generates a fundamental signal at 14.9 GHz with a phase noise of -100.2 dBc/Hz-1 MHz offset and a 12% tuning range. The circuit consumes 34 mW of DC power and provides -0.8 dBm of output power. 2009 Wiley Periodicals, Inc. Microwave Opt Technol Lett 51: 1953-1955, 2009 Published online in Wiley InterScience (www.interscience.wiley.com).
Microwave and Optical Technology Letters
author list (cited authors)
Chirala, M. K., & Nguyen, C.
complete list of authors
Chirala, Mohan K||Nguyen, Cam