A low-noise low-IF 0.18μm CMOS receiver IC with an active on-chip channel-selection filter for 5GHz wireless applications

Hitoshi Yano, Shinichi Hori, Tadashi Maeda, Noriaki Matsuno, Keiichi Numata, Masahiro Fujii, Nobuhide Yoshida, Yuji Takahashi, Hikaru Hida

研究成果: Article

抄録

We have developed a low-noise one-chip receiver IC using a low-IF architecture. The IC includes an active channel-selection band pass filter (BPF) for the IEEE802.11a standard. To improve both its total noise figure (NF) and image-rejection ratio, we employ an RC-bridge-type phase shifter which provides a ±45° phase difference. An overall NF as low as 11dB and a 32dB image-rejection ratio was achieved with the 0.18μm CMOS IC, which comprises low-noise amplifiers (LNAs), image-rejection mixers, a quadrature voltage-controlled oscillator (VCO), a phase-locked loop (PLL), the BPF, and IF amplifiers.

元の言語English
ページ(範囲)314-319
ページ数6
ジャーナルNEC Research and Development
43
発行部数4
出版物ステータスPublished - 2002 10
外部発表Yes

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Noise figure
Bandpass filters
Intermediate frequency amplifiers
Mixer circuits
Low noise amplifiers
Phase shifters
Variable frequency oscillators
Phase locked loops

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

これを引用

A low-noise low-IF 0.18μm CMOS receiver IC with an active on-chip channel-selection filter for 5GHz wireless applications. / Yano, Hitoshi; Hori, Shinichi; Maeda, Tadashi; Matsuno, Noriaki; Numata, Keiichi; Fujii, Masahiro; Yoshida, Nobuhide; Takahashi, Yuji; Hida, Hikaru.

:: NEC Research and Development, 巻 43, 番号 4, 10.2002, p. 314-319.

研究成果: Article

Yano, H, Hori, S, Maeda, T, Matsuno, N, Numata, K, Fujii, M, Yoshida, N, Takahashi, Y & Hida, H 2002, 'A low-noise low-IF 0.18μm CMOS receiver IC with an active on-chip channel-selection filter for 5GHz wireless applications', NEC Research and Development, 巻. 43, 番号 4, pp. 314-319.
Yano, Hitoshi ; Hori, Shinichi ; Maeda, Tadashi ; Matsuno, Noriaki ; Numata, Keiichi ; Fujii, Masahiro ; Yoshida, Nobuhide ; Takahashi, Yuji ; Hida, Hikaru. / A low-noise low-IF 0.18μm CMOS receiver IC with an active on-chip channel-selection filter for 5GHz wireless applications. :: NEC Research and Development. 2002 ; 巻 43, 番号 4. pp. 314-319.
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AU - Yano, Hitoshi

AU - Hori, Shinichi

AU - Maeda, Tadashi

AU - Matsuno, Noriaki

AU - Numata, Keiichi

AU - Fujii, Masahiro

AU - Yoshida, Nobuhide

AU - Takahashi, Yuji

AU - Hida, Hikaru

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AB - We have developed a low-noise one-chip receiver IC using a low-IF architecture. The IC includes an active channel-selection band pass filter (BPF) for the IEEE802.11a standard. To improve both its total noise figure (NF) and image-rejection ratio, we employ an RC-bridge-type phase shifter which provides a ±45° phase difference. An overall NF as low as 11dB and a 32dB image-rejection ratio was achieved with the 0.18μm CMOS IC, which comprises low-noise amplifiers (LNAs), image-rejection mixers, a quadrature voltage-controlled oscillator (VCO), a phase-locked loop (PLL), the BPF, and IF amplifiers.

KW - CMOS

KW - Gm-C filter

KW - Low-IF

KW - Low-noise amplifiers

KW - One-chip transceiver

KW - PLL

KW - Quadrature VCO

KW - RF front-end

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