A K-Band MMIC Subharmonically Pumped Mixer Integrating Local Oscillator Amplifier with Low Spurious Output
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概要
- 論文の詳細を見る
A K-band MMIC subharmonically pumped mixer integrating local oscillator (LO) amplifier has been developed. For up-converter application, it is necessary to reduce the leakage of second harmonic component of LO frequency to RF port, which is generated by nonlinear operation of LO amplifier. A quasi-lumped short-circuited stub using microstrip structure has been successfully applied to the MMIC mixer to enhance 2f_<LO>-suppression. We propose a new configuration of a quasi-lumped short-circuited stub, which reduces the influence of parasitic elements of via-holes. The developed MMIC has a onestage LO amplifier and it has shown about 10dB-improvement of 2f_<LO>-suppression compared to conventional configuration using a quarter-wavelength short-circuited stub.
- 社団法人電子情報通信学会の論文
- 2001-04-01
著者
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Ishida Masaaki
Semiconductor Devices Microwave Solid-state Engineering Department Komukai Operations Information An
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SHIZUKI Yasushi
Semiconductor Devices, Microwave Solid-State Department, Komukai Operations, Social Infrastructure S
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ONODERA Ken
Semiconductor Devices, Microwave Solid-State Department, Komukai Operations, Social Infrastructure S
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ARAI Kazuhiro
Semiconductor Devices, Microwave Solid-State Department, Komukai Operations, Social Infrastructure S
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Onodera Ken
Komukai Operations Toshiba Corporation
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Arai K
Sendai Research Center Nict
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Onodera Kiyomitsu
Komukai Operations Toshiba Corporation
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Shizuki Y
Semiconductor Devices Microwave Solid-state Department Komukai Operations Social Infrastructure Syst
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WATANABE Shigeru
Semiconductor Devices Microwave Solid-State Engineering Department, Komukai Operations, Information
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Watanabe Shigeru
Semiconductor Devices Microwave Solid-state Engineering Department Komukai Operations Information An
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