The Design of Gm-C Low-Pass Filter for Micromachined Gyroscope

The Design of Gm-C Low-Pass Filter for Micromachined Gyroscope

In this Paper, a 4th-Order Low-Pass Gm-C Filter is Presented. for the Design of Operational Tranconductance Amplifier(OTA), it Adopts the Techniques of Current Division and Current Cancellation. these Techniques can Help to Achieve a Low Transconductance Value. for the Architecture of the 4th-Order...

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Veröffentlicht in:Key engineering materials 2014-04, Vol.609-610, p.1072-1076
Hauptverfasser: He, Chong, Liu, Xiao Wei, Lv, Qiu Ye, Zhang, Yu Feng, Fan, Wen Jie
Format: Artikel
Sprache:eng
Schlagworte:
Attenuation
Cancellation
CMOS
Distortion
Gyroscopes
Low pass filters
Micromachining
Power consumption
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Liu, Xiao Wei
Lv, Qiu Ye
Zhang, Yu Feng
Fan, Wen Jie
description In this Paper, a 4th-Order Low-Pass Gm-C Filter is Presented. for the Design of Operational Tranconductance Amplifier(OTA), it Adopts the Techniques of Current Division and Current Cancellation. these Techniques can Help to Achieve a Low Transconductance Value. for the Architecture of the 4th-Order Gm-C Filter, it Consists of Two Biquads. the Two Biquads are Cascade Connected. the Gm-C Low-Pass Filter has been Implemented under 0.5 μm CMOS Process Model. the Final Simulation Results Show the Cutoff Frequency of the Filter is 100Hz and the Stop-Band Attenuation is Larger than 60dB. the Power Consumption is Lower than 1mW and the Total Harmonic Distortion(THD) is -55dB.
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subjects Attenuation
Cancellation
CMOS
Distortion
Gyroscopes
Low pass filters
Micromachining
Power consumption
title The Design of Gm-C Low-Pass Filter for Micromachined Gyroscope
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