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A bimodal quadrature oscillator and three divider chains produce carrier frequencies in the range of 1 GHz to 10 GHz in quadarature form and can also be used to cover lower decades. Fabricated in 90-nm CMOS technology, a prototype consumes 31 mW and exhibits a phase noise of −120 dBc/Hz at 1.75 GHz and −93 dBc/Hz at 8.75 GHz at 1-MHz offset.
VLSI Circuits, 2009 Symposium on
Date of Conference: 16-18 June 2009