This paper presents an ultra-low-power, low-voltage universal multi-mode Gm-C filter, designed in CMOS technology. The proposed filter uses only three transconductance operational amplifiers (OTAs) operating in a sub-threshold region: this leads to a significant reduction in energy consumption compared to previous solutions reported in the literature. Furthermore, the proposed filter can operate in four different functional modes, namely voltage, current, trans-conductance, and trans-resistance, without requiring extra active elements. Finally, the proposed filter for the band-pass responses features a power consumption of 32nW with a voltage supply of 0.5V, with a center frequency of 462Hz which can be considered for biomedical applications.

0.5V 32nW Inverter-Based Gm-C Filter for Bio-Signal Processing

Namdari, Ali;Aiello, Orazio;Caviglia, Daniele D.
2024-01-01

Abstract

This paper presents an ultra-low-power, low-voltage universal multi-mode Gm-C filter, designed in CMOS technology. The proposed filter uses only three transconductance operational amplifiers (OTAs) operating in a sub-threshold region: this leads to a significant reduction in energy consumption compared to previous solutions reported in the literature. Furthermore, the proposed filter can operate in four different functional modes, namely voltage, current, trans-conductance, and trans-resistance, without requiring extra active elements. Finally, the proposed filter for the band-pass responses features a power consumption of 32nW with a voltage supply of 0.5V, with a center frequency of 462Hz which can be considered for biomedical applications.
2024
979-8-3503-3099-1
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11567/1207335
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