A CMOS Fourth-Order 150Hz Low-Pass Filter for Sensor Applications

Chang Chun Dong; Nan Nan Liu; Zhan Peng Jiang

doi:10.4028/www.scientific.net/AMM.380-384.3320

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 380-384A CMOS Fourth-Order 150Hz Low-Pass Filter for...

A CMOS Fourth-Order 150Hz Low-Pass Filter for Sensor Applications

Abstract:

A low-pass filter for the sensor is presented, which based on the linearized transconductance structure and the capacitance scaler schemes. The filter adopt fourth order cascade structure, and simulation by 0.5μm CMOS process. Simulation results for the filter show a cutoff frequency of 150Hz, while band ripple is less than 0.8 dB. The power consumption for the filter is only 1.6mW, meet the requirements of the sensor interface ASIC for low-pass filter.

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Periodical:

Applied Mechanics and Materials (Volumes 380-384)

Pages:

3320-3323

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.380-384.3320

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Online since:

August 2013

Authors:

Chang Chun Dong, Nan Nan Liu, Zhan Peng Jiang

Keywords:

Capacitor Scaler, Linearized Transconductance, Low-Pass

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