A High-Q Active Inductor Circuit for Quasi-Millimeter-Wave Frequency Range

Toru MASUDA; Yukio HATTORI; Hiroki SHIKAMA; Akira HYOGO

doi:10.1093/ietele/e91-c.6.862

A High-Q Active Inductor Circuit for Quasi-Millimeter-Wave Frequency Range

Toru MASUDA, Yukio HATTORI, Hiroki SHIKAMA, Akira HYOGO

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Summary :

This paper describes a novel high-Q active inductor circuit configuration composed of an operational transconductance amplifier (OTA) and an input RC network. Due to the phase rotation made by the input RC network, the active inductor circuit provides high-Q inductive impedance at higher frequencies. According to circuit simulation with design-kit of a 90-GHz-f_T SiGe HBT technology, an inductance of more than 0.53 nH and Q of more than 80 can be obtained at quasi-millimeter-wave frequency, 24 GHz. The Q value is tunable by controlling the transconductance of the OTA. These features are also ensured by means of measurements of fabricated active inductor circuit. Since the active inductor circuit needs small chip area, which is 25% of a conventional passive inductor, the proposed active inductor contributes to implement a cost-effective high-Q notch filter for frequencies up to quasi-millimeter-wave frequencies.

Publication: IEICE TRANSACTIONS on Electronics Vol.E91-C No.6 pp.862-870

Publication Date: 2008/06/01

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Online ISSN: 1745-1353

DOI: 10.1093/ietele/e91-c.6.862

Type of Manuscript: Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)

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Toru MASUDA, Yukio HATTORI, Hiroki SHIKAMA, Akira HYOGO, "A High-Q Active Inductor Circuit for Quasi-Millimeter-Wave Frequency Range" in IEICE TRANSACTIONS on Electronics, vol. E91-C, no. 6, pp. 862-870, June 2008, doi: 10.1093/ietele/e91-c.6.862.
Abstract: This paper describes a novel high-Q active inductor circuit configuration composed of an operational transconductance amplifier (OTA) and an input RC network. Due to the phase rotation made by the input RC network, the active inductor circuit provides high-Q inductive impedance at higher frequencies. According to circuit simulation with design-kit of a 90-GHz-f_T SiGe HBT technology, an inductance of more than 0.53 nH and Q of more than 80 can be obtained at quasi-millimeter-wave frequency, 24 GHz. The Q value is tunable by controlling the transconductance of the OTA. These features are also ensured by means of measurements of fabricated active inductor circuit. Since the active inductor circuit needs small chip area, which is 25% of a conventional passive inductor, the proposed active inductor contributes to implement a cost-effective high-Q notch filter for frequencies up to quasi-millimeter-wave frequencies.
URL: https://global.ieice.org/en_transactions/electronics/10.1093/ietele/e91-c.6.862/_p

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@ARTICLE{e91-c_6_862,
author={Toru MASUDA, Yukio HATTORI, Hiroki SHIKAMA, Akira HYOGO, },
journal={IEICE TRANSACTIONS on Electronics},
title={A High-Q Active Inductor Circuit for Quasi-Millimeter-Wave Frequency Range},
year={2008},
volume={E91-C},
number={6},
pages={862-870},
abstract={This paper describes a novel high-Q active inductor circuit configuration composed of an operational transconductance amplifier (OTA) and an input RC network. Due to the phase rotation made by the input RC network, the active inductor circuit provides high-Q inductive impedance at higher frequencies. According to circuit simulation with design-kit of a 90-GHz-f_T SiGe HBT technology, an inductance of more than 0.53 nH and Q of more than 80 can be obtained at quasi-millimeter-wave frequency, 24 GHz. The Q value is tunable by controlling the transconductance of the OTA. These features are also ensured by means of measurements of fabricated active inductor circuit. Since the active inductor circuit needs small chip area, which is 25% of a conventional passive inductor, the proposed active inductor contributes to implement a cost-effective high-Q notch filter for frequencies up to quasi-millimeter-wave frequencies.},
keywords={},
doi={10.1093/ietele/e91-c.6.862},
ISSN={1745-1353},
month={June},}

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TY - JOUR
TI - A High-Q Active Inductor Circuit for Quasi-Millimeter-Wave Frequency Range
T2 - IEICE TRANSACTIONS on Electronics
SP - 862
EP - 870
AU - Toru MASUDA
AU - Yukio HATTORI
AU - Hiroki SHIKAMA
AU - Akira HYOGO
PY - 2008
DO - 10.1093/ietele/e91-c.6.862
JO - IEICE TRANSACTIONS on Electronics
SN - 1745-1353
VL - E91-C
IS - 6
JA - IEICE TRANSACTIONS on Electronics
Y1 - June 2008
AB - This paper describes a novel high-Q active inductor circuit configuration composed of an operational transconductance amplifier (OTA) and an input RC network. Due to the phase rotation made by the input RC network, the active inductor circuit provides high-Q inductive impedance at higher frequencies. According to circuit simulation with design-kit of a 90-GHz-f_T SiGe HBT technology, an inductance of more than 0.53 nH and Q of more than 80 can be obtained at quasi-millimeter-wave frequency, 24 GHz. The Q value is tunable by controlling the transconductance of the OTA. These features are also ensured by means of measurements of fabricated active inductor circuit. Since the active inductor circuit needs small chip area, which is 25% of a conventional passive inductor, the proposed active inductor contributes to implement a cost-effective high-Q notch filter for frequencies up to quasi-millimeter-wave frequencies.
ER -