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REALIZATION OF FIRST-ORDER CURRENT-MODE FILTERS WITH LOW NUMBER OF MOS TRANSISTORS

ERKAN YUCE

Pamukkale University, Department of Electrical and Electronics Engineering, Denizli, Kinikli 20070, Turkey

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SHAHRAM MINAEI

Dogus University, Department of Electronics and Communications Engineering, Acibadem, Kadikoy 34722, Istanbul, Turkey

Corresponding author.

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NORBERT HERENCSAR

Brno University of Technology, Department of Telecommunications, Purkynova 118, 612 00 Brno, Czech Republic

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JAROSLAV KOTON

Brno University of Technology, Department of Telecommunications, Purkynova 118, 612 00 Brno, Czech Republic

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https://doi.org/10.1142/S0218126612500715Cited by:32 (Source: Crossref)

Abstract

In this paper, a new current-mode (CM) circuit for realizing all of the first-order filter responses is suggested. The proposed configuration contains low number of components, only two NMOS transistors both operating in saturation region, two capacitors and two resistors. Major advantages of the presented circuit are low voltage, low noise and high linearity. The proposed filter circuit can simultaneously provide both inverting and non-inverting first-order low-pass, high-pass and all-pass filter responses. Computer simulation results achieved through SPICE tool and experimental results are given as examples to demonstrate performance and effectiveness of the proposed topology.

This paper was recommended by Regional Editor Majid Ahmadi.

Keywords:

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