An 18 GHz-Band MMIC Diode Linearizer Using a Parallel Capacitor with a Bias Feed Resistance(Special Issue on Microwave and Millimeter Wave Technology)
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概要
- 論文の詳細を見る
An 18GHz-band Microwave Monolithic Integrated Circuit (MMIC) diode linearizer using a parallel capacitor with a bias feed resistance is presented. The newly employed parallel capacitor is able to control gain and phase deviations of the linearizer. This implies that the gain deviation of the linearizer can be controlled without changing the phase deviation. The presented linearizer can compensate the distortion of an amplifier sufficiently. The operation principle of the linearizer with the parallel capacitor is investigated. It is clarified that the gain deviation can be adjusted without changing the phase deviation by using the parallel capacitor. Two variable gain buffer amplifiers and the core part of the linearizer which consists of a diode, a bias feed resistor, and a capacitor are fabricated on the MMIC chip. The amplifiers cancel the frequency dependence of the core part of the linearizer to improve bandwidth of the MMIC. Further, the amplifiers contribute to earn low reflection and compensate insertion loss of the linearizer. The MMIC chip is size of 2.5mm × 1mm. The linearizer has demonstrated improvement of 3rd Inter-Modulation Distortion (IMD3) of 12 dB at 18 GHz and improvement of more than 6 dB between 17.8 GHz and 18.6 GHz.
- 社団法人電子情報通信学会の論文
- 2003-08-01
著者
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Ikeda Y
Mitsubishi Electric Corporation Information Technology R&d Center
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Ikeda Y
Mitsubishi Electric Corp. Kamakura‐shi Jpn
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Kadowaki N
Communications Research Laboratory
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Kadowaki Naoto
Communications Research Laboratory Ministry Of Posts And Telecommunications
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YAMAUCHI Kazuhisa
Mitsubishi Electric Corporation Information Technology R&D Center
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NAKAYAMA Masatoshi
Mitsubishi Electric Corporation Information Technology R&D Center
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IKEDA Yukio
Mitsubishi Electric Corporation Information Technology R&D Center
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AKAISHI Akira
Mitsubishi Electric Corporation Kamakura Works
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ISHIDA Osami
Mitsubishi Electric Corporation Information Technology R&D Center
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Yamamoto K
Mitsubishi Electric Corporation Information Technology R&d Center
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Ikeda Yukio
Mitsubishi Electric Corporation Information Technology R&d Center
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Ishida O
Information And Communications Univ. Daejon Kor
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Ishida Osami
Mitsubishi Electric Corporation Information Technology R&d Center
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Nakayama M
Information Technology R & D Center Mitsubishi Electric Corporation
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Nakayama M
Laboratory Of Nutrition Chemistry Division Of Bioresource And Bioenvironmental Sciences Graduate Sch
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Nakayama Masatoshi
Mitsubishi Electric Corporation Information Technology R&d Center
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Yamauchi Kazuhisa
Mitsubishi Electric Corporation
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Nakayama Masatoshi
Mitsubishi Electric Corp. Information Technology R&d Center
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KADOWAKI Naoto
Communications Research Laboratory
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