Fully integrated high-Q switched capacitor bandpass filter with center frequency and bandwidth tuning
(2007) 2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium — Location: Honolulu, HI, USA (3.June.2007)
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- Abstract
- This paper proposes to study the design of a novel high-Q fully integrated switched capacitor bandpass filter. This circuit, implemented in CMOS technology, allows a tunable high selectivity over a broad frequency band. The proposed architecture is intended to replace passive surface acoustic wave (SAW) filters in low-cost wireless radio-communication applications. To show the feasibility of the proposed filter a prototype has been fabricated and tested. Measurements show quality factors up to 300, and a tunable center frequency range of 290 MHz [240-530 MHz] with a bandwidth tuning.
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Citations
El Oualkadi, A., El Kaamouchi, M., Paillot, J.-M., Vanhoenacker-Janvier, D., & Flandre, D. (2007). Fully integrated high-Q switched capacitor bandpass filter with center frequency and bandwidth tuning. Proceedings of the 2007 IEEE Radio Frequency Integrated Circuits (RFIC) Symposium (IEEECat No. 07CH37828C), 4. https://doi.org/10.1109/RFIC.2007.380974