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A CMOS 0.35μm, 1.5V multi-band RF Q-enhanced LC bandpass filter

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3 Author(s)
Ben Hammadi, A. ; Microelectron. & Instrum. LR, Univ. of Monastir, Monastir, Tunisia ; Mhiri, M. ; Besbes, K.

In this paper, a 2nd order tunable RF CMOS LC bandpass filter is presented. Q-enhancement and tuning are also considered. The Q-tuning is implemented through an adjustable negative conductance generator circuit. The simulated results show that using a 0.35 μm AMS CMOS process, the filter operates at center frequency varying from 1.69 GHz to 2.33 GHz frequency band under 1.5 V supply. A set of varactors were in assistance to achieve the coarse and exact tuning simultaneously.

Published in:

Microelectronics (ICM), 2011 International Conference on

Date of Conference:

19-22 Dec. 2011