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Title: 0.5 V, low power, 1 MHz low pass filter in 0.18 ?m CMOS process
Authors: Vasantha, M.H.
Laxminidhi, T.
Issue Date: 2012
Citation: Proceedings - 2012 International Symposium on Electronic System Design, ISED 2012, 2012, Vol., , pp.33-37
Abstract: In this paper a low power continuous-time 4th order low pass Butterworth filter operating at power supply of 0.5 V is presented. A 3-dB bandwidth of 1 MHz using technology node of 0.18 ?m is achieved. In order to achievenecessary head-room, the filter uses pseudo-differential bulk-driven transconductor. A master-slave based common modefeedback(CMFB) circuit sets the output common mode voltageof transconductor. The simulation results show that the filter has a dynamic range of 54 dB and consumes a total power of 36 ?W when operating at a supply voltage of 0.5 V. The Figure of Merit (FOM) achieved by the filter is 0.05 fJ, lowest among similar low-voltage filters found in the literature. The simulation result show that the 3-dB bandwidth variation for process, voltage and temperature is less than �10%. � 2012 IEEE.
Appears in Collections:2. Conference Papers

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