High-Q CMOS LC pseudo switched-capacitor bandpass filter with center frequency tuning
(2006) 2006 IEEE International Symposium on Circuits and Systems — Location: Island of Kos, Greece (21.May.2006)
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- Abstract
- The design of a new high-Q LC pseudo switched-capacitor bandpass filter is presented. The proposed filter is tuned by using a command circuit made up by a ring voltage controlled oscillator (VCO) with 'XOR' gates. Fabricated in a standard 0.35 mu m CMOS, this circuit is intended to replace the SAW filters in wireless broadband applications. Measured results demonstrate interesting performances; a tunable center frequency range of 285 MHz [240-525 MHz] and a quality factor that can be as high as 300 within the tunable frequency range.
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Citations
El Oualkadi, A., Cordeau, D., & Paillot, J.-M. (2006). High-Q CMOS LC pseudo switched-capacitor bandpass filter with center frequency tuning. 2006 IEEE International Symposium on Circuits and Systems (IEEE Cat.No. 06CH37717C), 4 pp. https://hdl.handle.net/2078.5/220518