Quadrature VCOs Using Single-Ended Injected Injection-Locked Frequency Dividers
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概要
- 論文の詳細を見る
This letter presents a new quadrature voltage-controlled oscillator (QVCO) consisting of two n-core Colpitts voltage-controlled oscillators (VCOs) with a tail inductor. The VCOs are used as a single-ended injected injection-locked frequency divider (ILFD). The output of the tail inductor in one ILFD is injected into the injection node in the other ILFD and vice versa. The proposed QVCO has been implemented in the 0.18μm CMOS technology. At the supply voltage of 1.0V, the power consumption is 1.8mW. The free-running frequency is tunable from 4.68GHz to 5.03GHz as the tuning voltage is varied from 0.0V to 1.8V. The measured phase noise is -113.58dBc/Hz at the 1MHz frequency offset from the oscillation frequency of 5.03GHz and the figure of merit (FOM) of the QVCO is -185.06dBc/Hz.
- （社）電子情報通信学会の論文
- 2009-09-01
著者
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JANG Sheng-Lyang
Dept. of Electronic Engineering, National Taiwan University of Science and Technology
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LIU Cheng-Chen
Dept. of Electronic Engineering, National Taiwan University of Science and Technology
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HUANG Jhin-Fang
Dept. of Electronic Engineering, National Taiwan University of Science and Technology
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WU Yuan-Kai
Dept. of Electronic Engineering, National Taiwan University of Science and Technology
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CHEN Jhao-Jhang
Dept. of Electronic Engineering, National Taiwan University of Science and Technology
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Huang Jhin‐fang
Dept. Of Electronic Engineering National Taiwan University Of Science And Technology
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Wu Yuan-kai
Dept. Of Electronic Engineering National Taiwan University Of Science And Technology
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Liu Cheng‐chen
Dept. Of Electronic Engineering National Taiwan University Of Science And Technology
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Liu Cheng-chen
Dept. Of Electronic Engineering National Taiwan University Of Science And Technology
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Huang Jhin-fang
Dept. Of Electronic Engineering National Taiwan University Of Science And Technology
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Chen Jhao-jhang
Dept. Of Electronic Engineering National Taiwan University Of Science And Technology
-
Jang Sheng‐lyang
Dept. Of Electronic Engineering National Taiwan University Of Science And Technology
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Huang Jhin-fang
Dept. Of Electronic Engineering National Taiwan Univ. Of Science And Technology
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