Low-voltage, micropower weak-inversion CMOS GM-C filter

Chung-Chih Hung; Kari Halonen; Veikko Porra; Mohammed Ismail

doi:10.1109/ICECS.1996.584634

Low-voltage, micropower weak-inversion CMOS GM-C filter

Chung-Chih Hung^*, Kari Halonen, Veikko Porra, Mohammed Ismail

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電機工程學系

研究成果 › 同行評審

12 引文斯高帕斯（Scopus）

摘要

In this paper, a CMOS implementation of a low-voltage, micropower 5th-order elliptic low-pass GM-C filter is presented. The Operational Transconductance Amplifier (OTA) in this GM-C filter design is implemented by a low-voltage voltage-to-current converter (V-I converter) working in the weak-inversion region. The transconductance can be tuned by control DC currents or DC voltage. This V-I converter can be used as a basic building block to construct low-voltage, micropower analog VLSI signal processing systems. Also, the filter provides a practical means for implementing very large time constants on-chip allowing single-chip solutions at very low frequencies. This 5th-order elliptic low-pass GM-C filter operates at a supply voltage of 3 V and has a tunable cutoff frequency from 140 Hz to 3.5 KHz.

原文	English
頁面	1178-1181
頁數	4
DOIs	https://doi.org/10.1109/ICECS.1996.584634
出版狀態	Published - 1 12月 1996
事件	Proceedings of the 1996 3rd IEEE International Conference on Electronics, Circuits, and Systems, ICECS. Part 2 (of 2) - Rodos, Greece 持續時間: 13 10月 1996 → 16 10月 1996

Conference

Conference	Proceedings of the 1996 3rd IEEE International Conference on Electronics, Circuits, and Systems, ICECS. Part 2 (of 2)
城市	Rodos, Greece
期間	13/10/96 → 16/10/96

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10.1109/ICECS.1996.584634

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Link to publication in Scopus

引用此

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abstract = "In this paper, a CMOS implementation of a low-voltage, micropower 5th-order elliptic low-pass GM-C filter is presented. The Operational Transconductance Amplifier (OTA) in this GM-C filter design is implemented by a low-voltage voltage-to-current converter (V-I converter) working in the weak-inversion region. The transconductance can be tuned by control DC currents or DC voltage. This V-I converter can be used as a basic building block to construct low-voltage, micropower analog VLSI signal processing systems. Also, the filter provides a practical means for implementing very large time constants on-chip allowing single-chip solutions at very low frequencies. This 5th-order elliptic low-pass GM-C filter operates at a supply voltage of 3 V and has a tunable cutoff frequency from 140 Hz to 3.5 KHz.",

author = "Chung-Chih Hung and Kari Halonen and Veikko Porra and Mohammed Ismail",

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AB - In this paper, a CMOS implementation of a low-voltage, micropower 5th-order elliptic low-pass GM-C filter is presented. The Operational Transconductance Amplifier (OTA) in this GM-C filter design is implemented by a low-voltage voltage-to-current converter (V-I converter) working in the weak-inversion region. The transconductance can be tuned by control DC currents or DC voltage. This V-I converter can be used as a basic building block to construct low-voltage, micropower analog VLSI signal processing systems. Also, the filter provides a practical means for implementing very large time constants on-chip allowing single-chip solutions at very low frequencies. This 5th-order elliptic low-pass GM-C filter operates at a supply voltage of 3 V and has a tunable cutoff frequency from 140 Hz to 3.5 KHz.

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Low-voltage, micropower weak-inversion CMOS GM-C filter

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