Design of an Active-Gm-RC Reconfigurable Filter for the Multi-Mode Receiver

Lei Qian; Xiang Ning Fan

doi:10.4028/www.scientific.net/AMM.364.458

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 364Design of an Active-Gm-RC Reconfigurable Filter...

Design of an Active-Gm-RC Reconfigurable Filter for the Multi-Mode Receiver

Abstract:

Based on TSMC 0.18m RF CMOS process a reconfigurable low-pass filter (LPF) is presented in this paper. The LPF adopts active-Gm-RC structure. By manually adjusting the capacitor arrays, the LPF can switch working mode and correct frequency offset caused by process deviation. The pre-layout simulation shows that with 1.8V power supply, the bandwidth ranges from 1.4MHz to 9.8MHz with a step of 1.4MHz. The out of band attenuation is about-80dB/10 octave and the power consumption is 0.43mW .

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Periodical:

Applied Mechanics and Materials (Volume 364)

Pages:

458-462

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.364.458

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Online since:

August 2013

Authors:

Lei Qian, Xiang Ning Fan

Keywords:

Active-Gm-RC Structure, Capacitor Arrays, Folded Cascode Transconductance Operational Amplifier, Low-Pass Filter, Reconfigurable

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