Millimeter-Wave High-Power MMIC Switch with Multiple FET Resonators(Active Devices/Circuits,<Special Section>Microwave and Millimeter-Wave Technology)
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概要
- 論文の詳細を見る
A millimeter-wave low-loss, high-isolation and high-power terminated MMIC switch is developed, and the design theory is formulated. Our invented switch is designed based on a non-linear relationship between the parallel resistance of an FET and its gate width. Our measurements of the parallel resistance with different gate width have revealed that the resistance is inverse proportion to a square of the gate width. By using this relationship, we have found the fact that the multiple FET resonators with smaller gate width and high inductance elements realize high-Q performance for the same resonant frequency. Since the power handling capability is determined by the total gate width, our switch circuit could reduce its insertion loss, keeping the high-power performance. We additionally describe the design method of this switch circuit. The relationships between the gate widths of the FETs and the electrical performances are described analytically. The required gate widths of the FETs for handling high power signal are represented, and the design equations to obtain lower insertion loss and higher isolation performances keeping high power capability are presented. To verify this methodology, we fabricated a MMIC switch. The MMIC had insertion loss of 2.86dB, isolation of 37dB and power handling capability of more than 33dBm at 32GHz.
- 社団法人電子情報通信学会の論文
- 2007-09-01
著者
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MIYAZAKI Moriyasu
Information Technology R&D Center, Mitsubishi Electric Corporation
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Hieda Morishige
Information Technology R&d Center Mitsubishi Electric Corporation
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NISHINO Tamotsu
Information Technology R & D Center, Mitsubishi Electric Corporation
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Hieda Morishige
Information Technology Research And Development Center Mitsubishi Electric Corp.
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HANGAI Masatake
Information Technology Research and Development Center, Mitsubishi Electric Corp.
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ENDO Kunihiro
Kamakura Works, Mitsubishi Electric Corporation
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Endo Kunihiro
Kamakura Works Mitsubishi Electric Corporation
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Hangai Masatake
Mitsubishi Electric Corp. Kamakura‐shi Jpn
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Hangai Masatake
Information Technology R&d Center Mitsubishi Electric Corp.
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Nishino Tamotsu
Information Technology Research And Development Center Mitsubishi Electric Corp.
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Miyazaki Moriyasu
Information Technology Research And Development Center Mitsubishi Electric Corp.
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Miyazaki Moriyasu
Information Technology R&d Center Mitsubishi Electric Corp.
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Hieda Morishige
Information Technol. Res. And Dev. Center Mitsubishi Electric Corp.
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Hangai Masatake
Information Technol. Res. And Dev. Center Mitsubishi Electric Corp.
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