A 5GHz Band Low Noise and Wide Tuning Range Si-CMOS VCO with a Novel Varactors Pair Circuit
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概要
- 論文の詳細を見る
In this paper, a fully integrated 5GHz voltage controlled oscillator (VCO) is presented. The VCO is designed with 0.18µm silicon complementary metal oxide semiconductor (Si-CMOS) process. To achieve low phase noise, a novel varactors pair circuit is proposed to cancel effects of capacitance fluctuation that makes harmonic currents which increase phase noise of VCO. The VCO with the proposed varactor circuit has tuning range from 5.1GHz to 6.1GHz (relative value of 17.9%) and phase noise of lower than −110.8dBc/Hz at 1MHz offset over the full tuning range. Figure-of-merit-with-tuning-range (FOMT) of the proposed VCO is −182dBc/Hz.
- （社）電子情報通信学会の論文
- 2010-06-01
著者
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Kameda Suguru
Research Institute Of Electrical Communication Tohoku University
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TSUBOUCHI Kazuo
Research Institute of Electrical Communication, Tohoku University
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Takagi Tadashi
Research Institute Of Electrical Communication Tohoku University
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TA Tuan
Research Institute of Electrical Communication, Tohoku University
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Ta Tuan
Research Institute Of Electrical Communication Tohoku University
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Togura Kenji
The Research Institute Of Electrical Communication Tohoku University Presently The Technology Resear
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Kameda S
Tohoku Univ. Sendai Jpn
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Tsubouchi K
Research Institute Of Electrical Communication Tohoku University
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Tsubouchi Kazuo
Research Institute Of Electrical Communication Tohoku University
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Tsubouchi Kazuo
Research Institute Of Electrical Communicaiton Tohoku University
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Tsubouchi K
Tohoku University
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TSUBOUCHI Kazuo
Research Institute of Electric Communication (RIEC), Tohoku University
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TAKAGI Tadashi
Research Institute of Electric Communication (RIEC), Tohoku University
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KAMEDA Suguru
Research Institute of Electric Communication (RIEC), Tohoku University
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