On-Chip Active Filter for Electrocardiographic Signals Through CMOS Pseudo Resistors

This brief describes the conception, analysis, and design of a 20.89-hertz band-pass front-end analog filter tailored for biopotential signals. The principle of operation considers the integration of active circuits exhibiting large time-constant networks by CMOS pseudo resistances. A strategic loca...

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Vydáno v:	IEEE transactions on circuits and systems. II, Express briefs Ročník 72; číslo 7; s. 883 - 887
Hlavní autor:	Gonzalez-Diaz, Victor R. Gonzalez
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York IEEE 01.07.2025 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	Analog filter Analogue filters Artificial intelligence Band-pass filters Bandpass filters Bandwidth biopotential Capacitance Circuits CMOS electrocardiographic Figure of merit Filtering Integrated circuits low-transconductance MOS devices pseudo resistance Resistors Transconductance Transistors
ISSN:	1549-7747, 1558-3791
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Abstract	This brief describes the conception, analysis, and design of a 20.89-hertz band-pass front-end analog filter tailored for biopotential signals. The principle of operation considers the integration of active circuits exhibiting large time-constant networks by CMOS pseudo resistances. A strategic location of these pseudo resistances enables the filter to achieve the corresponding design specifications with no external capacitors. The experimental results with a CMOS 180 nanometer integrated circuit prototype achieve a competitive Figure of Merit in a 0.06 square millimeters area, exhibiting advantages in area and system performance.
AbstractList	This brief describes the conception, analysis, and design of a 20.89-hertz band-pass front-end analog filter tailored for biopotential signals. The principle of operation considers the integration of active circuits exhibiting large time-constant networks by CMOS pseudo resistances. A strategic location of these pseudo resistances enables the filter to achieve the corresponding design specifications with no external capacitors. The experimental results with a CMOS 180 nanometer integrated circuit prototype achieve a competitive Figure of Merit in a 0.06 square millimeters area, exhibiting advantages in area and system performance.
Author	Gonzalez-Diaz, Victor R. Gonzalez
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SubjectTerms	Analog filter Analogue filters Artificial intelligence Band-pass filters Bandpass filters Bandwidth biopotential Capacitance Circuits CMOS electrocardiographic Figure of merit Filtering Integrated circuits low-transconductance MOS devices pseudo resistance Resistors Transconductance Transistors
Title	On-Chip Active Filter for Electrocardiographic Signals Through CMOS Pseudo Resistors
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