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0.5 V Current-Mode Low-Pass Filter Based on Voltage Second Generation Current Conveyor for Bio-Sensor Applications

Kumngern, Montree ; Khateb, Fabian ; Kulej, Tomasz

IEEE access, 2022, Vol.10, p.12201-12207 [Periódico revisado por pares]

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Título:
0.5 V Current-Mode Low-Pass Filter Based on Voltage Second Generation Current Conveyor for Bio-Sensor Applications
Autor: Kumngern, Montree ; Khateb, Fabian ; Kulej, Tomasz
Assuntos: analog circuit ; Biosensors ; Current conveyors ; current-mode filter ; Electric potential ; Harmonic distortion ; Impedance ; Low pass filters ; low-voltage low-power ; MOS devices ; Power consumption ; Power harmonic filters ; Prototypes ; Sine waves ; third-order low-pass filter ; Transconductance ; Transistors ; Voltage ; Voltage second generation current conveyor
É parte de: IEEE access, 2022, Vol.10, p.12201-12207
Descrição: This paper presents a low-voltage low-power current-mode third-order low-pass filter (LPF) based on voltage second generation current conveyor (VCII). The VCII utilizes the bulk-driven MOS transistor technique to achieve a wide input voltage range at low supply voltage of 0.5 V. Also, the VCII operates in the subthreshold region to achieve nano-power consumption of 390 nW. A third-order low-pass filter that is presented as an application of the VCII can operate as both current- and transimpedance-mode filters. The filter consumes 2.73 \mu \text{W} and the total harmonic distortion (THD) is below 1 % for sine-wave input signal below 350 nA pp @ 10 Hz. The post-layout simulation results based on TSMC 0.18 \mu \text{m} CMOS process are presented and confirms the futures of the filter.
Editor: Piscataway: IEEE
Idioma: Inglês

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