A 1.2-V CMOS complex bandpass filter with a tunable center frequency

Hideaki Majima; Hiroki Ishikuro; Kenichi Agawa; Mototsugu Hamada

doi:10.1109/ESSCIR.2005.1541626

A 1.2-V CMOS complex bandpass filter with a tunable center frequency

Hideaki Majima, Hiroki Ishikuro, Kenichi Agawa, Mototsugu Hamada

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

14 Citations (Scopus)

Abstract

A 4th-order complex bandpass filter (BPF) with a tunable center frequency is designed and fabricated in a 0.13 μm CMOS technology. The transfer function is changeable dynamically. The passband center frequency can be set to 0 Hz, 1 MHz, 1.5 MHz and 2 MHz so that the filter can work as a complex BPF in the receiver path and as a LPF in the transmit path. An OpAmp-RC filter is used to obtain a wide dynamic range. The filter operates with the supply voltage as low as 1.2 V. The input referred noise for 1.4 MHz band width is 53 μVrms. IIP₃ and the image rejection ratio at 1.5 MHz is 25.2 dBm and 52 dB, respectively.

Original language	English
Title of host publication	Proceedings of ESSCIRC 2005
Subtitle of host publication	31st European Solid-State Circuits Conference
Pages	327-330
Number of pages	4
DOIs	https://doi.org/10.1109/ESSCIR.2005.1541626
Publication status	Published - 2005 Dec 1
Externally published	Yes
Event	ESSCIRC 2005: 31st European Solid-State Circuits Conference - Grenoble, France Duration: 2005 Sep 12 → 2005 Sep 16

Publication series

Name	Proceedings of ESSCIRC 2005: 31st European Solid-State Circuits Conference

Other

Other	ESSCIRC 2005: 31st European Solid-State Circuits Conference
Country/Territory	France
City	Grenoble
Period	05/9/12 → 05/9/16

ASJC Scopus subject areas

Engineering(all)

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10.1109/ESSCIR.2005.1541626

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A 1.2-V CMOS complex bandpass filter with a tunable center frequency. / Majima, Hideaki; Ishikuro, Hiroki; Agawa, Kenichi; Hamada, Mototsugu.

Proceedings of ESSCIRC 2005: 31st European Solid-State Circuits Conference. 2005. p. 327-330 1541626 (Proceedings of ESSCIRC 2005: 31st European Solid-State Circuits Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Majima, H, Ishikuro, H, Agawa, K & Hamada, M 2005, A 1.2-V CMOS complex bandpass filter with a tunable center frequency. in Proceedings of ESSCIRC 2005: 31st European Solid-State Circuits Conference., 1541626, Proceedings of ESSCIRC 2005: 31st European Solid-State Circuits Conference, pp. 327-330, ESSCIRC 2005: 31st European Solid-State Circuits Conference, Grenoble, France, 05/9/12. https://doi.org/10.1109/ESSCIR.2005.1541626

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abstract = "A 4th-order complex bandpass filter (BPF) with a tunable center frequency is designed and fabricated in a 0.13 μm CMOS technology. The transfer function is changeable dynamically. The passband center frequency can be set to 0 Hz, 1 MHz, 1.5 MHz and 2 MHz so that the filter can work as a complex BPF in the receiver path and as a LPF in the transmit path. An OpAmp-RC filter is used to obtain a wide dynamic range. The filter operates with the supply voltage as low as 1.2 V. The input referred noise for 1.4 MHz band width is 53 μVrms. IIP3 and the image rejection ratio at 1.5 MHz is 25.2 dBm and 52 dB, respectively.",

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AB - A 4th-order complex bandpass filter (BPF) with a tunable center frequency is designed and fabricated in a 0.13 μm CMOS technology. The transfer function is changeable dynamically. The passband center frequency can be set to 0 Hz, 1 MHz, 1.5 MHz and 2 MHz so that the filter can work as a complex BPF in the receiver path and as a LPF in the transmit path. An OpAmp-RC filter is used to obtain a wide dynamic range. The filter operates with the supply voltage as low as 1.2 V. The input referred noise for 1.4 MHz band width is 53 μVrms. IIP3 and the image rejection ratio at 1.5 MHz is 25.2 dBm and 52 dB, respectively.

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A 1.2-V CMOS complex bandpass filter with a tunable center frequency

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