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Ninth Great Lakes Symposium on VLSI
The Design of Cmos Gigahertz-Band Continuous-Time Active Lowpass Filters with Q-Enhancement Circuits
Ann Arbor, Michigan
March 04-March 06
ISBN: 0-7695-0104-4
Yuyu Chang, University of Southern California
John Choma, Jr., University of Southern California
Jack Wills, University of Southern California
A tunable second-order lowpass filter architecture capable of operating in the gigahertz frequency range is proposed. Two Q-enhancement techniques are utilized to extend the Q tuning range. Simulation results employing standard 0.5?m CMOS technology have successfully verified that the center frequency tuning and the hybrid Q-tuning approach operate between 1.26GHz and 2.3GHz center frequencies with Q larger than 1000. A tunable lowpass filter with a center frequency at 2.07GHz with a Q equal to 31 is designed to have 44dB input dynamic range and 27.8mW power dissipation.
Citation:
Yuyu Chang, John Choma, Jr., Jack Wills, "The Design of Cmos Gigahertz-Band Continuous-Time Active Lowpass Filters with Q-Enhancement Circuits," glsvlsi, pp.358, Ninth Great Lakes Symposium on VLSI, 1999
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