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MOS Only Grounded Active Inductor Circuits and Their Filter Applications

Mustafa Konal

Department of Electrical and Electronics Engineering, Istanbul University, Istanbul, Turkey

E-mail Address: mustafa.konal@istanbul.edu.tr

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and

Firat Kacar

Department of Electrical and Electronics Engineering, Istanbul University, Istanbul, Turkey

E-mail Address: fkacar@istanbul.edu.tr

Corresponding author.

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https://doi.org/10.1142/S0218126617500980Cited by:20 (Source: Crossref)

Abstract

This paper presents two grounded MOS only active inductor circuits. Both circuits have only two MOS transistors and two biasing currents. Thus, the proposed active inductors provide small chip area, tunability, low power consumption with 150 $μ$ $μ$ W and 90 $μ$ $μ$ W, respectively. To analyze their performance, a second-order band-pass filter and a third-order high-pass filter structures are presented with low noise as 7.5nV/ $\sqrt{Hz}$ $\sqrt{Hz}$ and 9.14nV/ $\sqrt{Hz}$ $\sqrt{Hz}$ , respectively. The designed active inductors and filters are simulated in 0.18 $μ$ $μ$ m CMOS process parameters using LTSPICE.

This paper was recommended by Regional Editor Piero Malcovati.

Keywords:

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