A Low Quiescent Current CV/CC Parallel Operation HBT Power Amplifier for W-CDMA Terminals(Special Issue on Microwave and Millimeter Wave Technology)
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概要
- 論文の詳細を見る
A constant voltage/constant current (CV/CC) parallel operation heterojunction bipolar transistor (HBT) power amplifier (PA) configuration is presented, and its design method is described. A resistor base feed (CC mode) HBT is connected to an inductor base feed (CV mode) HBT in parallel, and compensates the gain expansion of the CV mode HBT due to near class-B operation. By adding CC mode HBT, the total quiescent current can be decreased from 32mA to 23mA with adjacent channel leakage power ratio (ACPR) < -40.0dBc. At the maximum output power region, the fabricated PA achieves output power (P_<out>) of 26.8dBm and power added efficiency (PAE) of 42.0% with ACPR of -40.0dBc, and shows the comparable performances with a conventional PA using CV mode HBT.
- 社団法人電子情報通信学会の論文
- 2003-08-01
著者
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SHINJO Shintaro
Information Technology R&D Center, Mitsubishi Electric Corporation
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MORI Kazutomi
Information Technology R&D Center, Mitsubishi Electric Corporation
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SUEMATSU Noriharu
Kamakura Works, Mitsubishi Electric Corporation
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Mori K
Information Technology R&d Center Mitsubishi Electric Corporation
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Ohta A
Mitsubishi Electric Corp. Itami‐shi Jpn
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Okamura Atsushi
Intensive Care Unit Hokaido University Hospital
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Takagi T
Optical Interconnection Sumiden Laboratory Rwcp
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Mori Kazutomi
Information Technology R&d Center Mitsubishi Electric Corporation
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TAKAGI Tadashi
Information Technology R&D Center, Mitsubishi Electric Corporation
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UEDA Hiro-omi
Information Technology R&D Center, Mitsubishi Electric Corporation
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OHTA Akira
High Frequency & Optical Semi-conductor Business Division, Mitsubishi Electric Corporation
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SEKI Hiroaki
High Frequency & Optical Semi-conductor Business Division, Mitsubishi Electric Corporation
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SUEMATSU Noriharu
Information Technology R&D Center, Mitsubishi Electric Corporation
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Mori Kensaku
Faculty of Engineering, Nagoya University Graduate School
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Suematsu Noriharu
Kamakura Works Mitsubishi Electric Corporation
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Suematsu Noriharu
Information Technology R & D Center Mitsubishi Electric Corporation
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Suematsu Noriharu
Information Technology R Amp D Center Electro-optics Amp Microwave System Laboratory Mitsubishi Elec
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Takagi T
Research Institute Of Electrical Communication Tohoku University
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Takagi T
It-21 Center Research Institute Of Electrical Communications Tohoku University
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Takagi Tadashi
Information Technology R&d Center Mitsubishi Electric Corporation
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Seki H
Fujitsu Lab. Ltd. Yokosuka‐shi Jpn
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Ueda Hiro-omi
Information Technology R&d Center Mitsubishi Electric Corporation
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Okamura A
High Frequency & Optical Semi-conductor Business Division Mitsubishi Electric Corporation
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Shinjo Shintaro
Information Technology R&d Center Mitsubishi Electric Corporation
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