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A transconductance-boosted complementary Colpitts voltage-controlled oscillator.

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Title: A transconductance-boosted complementary Colpitts voltage-controlled oscillator.
Authors: Liu, Cheng-Chen1, Jang, Sheng-Lyang1, Wang, Cheng-Cih1, Juang, Miin-Horng1
Source: Microwave & Optical Technology Letters. May2011, Vol. 53 Issue 5, p1183-1186. 4p. 1 Black and White Photograph, 2 Diagrams, 3 Charts, 3 Graphs.
Subjects: Electric potential, Electric oscillators, Transistors, Electric noise, Energy consumption, Microwaves, Digital signal processing
Abstract: A g-boosted complementary Colpitts differential voltage-controlled oscillator (VCO) is proposed and implemented in a 0.18-μm CMOS 1P6M process.It consists of two single-ended p-core Colpitts oscillators via g-enhanced cross-coupled Colpitts transistors to obtain a differential output. At the supply voltage of 1.45 V, the output phase noise of the differential VCO is −119.2 dBc/Hz at 1 MHz offset frequency from the carrier frequency of 8.69 GHz, and the figure of merit is −190.2 dBc/Hz. Total VCO core power consumption is 5.99 mW. Tuning range is 1.01 GHz, from 8.69 to 9.7 GHz, while the control voltage was tuned from 0 to 2.0 V. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1183-1186, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25934 [ABSTRACT FROM AUTHOR]
Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Microwave+%26+Optical+Technology+Letters%22">Microwave & Optical Technology Letters</searchLink>. May2011, Vol. 53 Issue 5, p1183-1186. 4p. 1 Black and White Photograph, 2 Diagrams, 3 Charts, 3 Graphs.
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  Data: <searchLink fieldCode="DE" term="%22Electric+potential%22">Electric potential</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+oscillators%22">Electric oscillators</searchLink><br /><searchLink fieldCode="DE" term="%22Transistors%22">Transistors</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+noise%22">Electric noise</searchLink><br /><searchLink fieldCode="DE" term="%22Energy+consumption%22">Energy consumption</searchLink><br /><searchLink fieldCode="DE" term="%22Microwaves%22">Microwaves</searchLink><br /><searchLink fieldCode="DE" term="%22Digital+signal+processing%22">Digital signal processing</searchLink>
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  Data: A g-boosted complementary Colpitts differential voltage-controlled oscillator (VCO) is proposed and implemented in a 0.18-μm CMOS 1P6M process.It consists of two single-ended p-core Colpitts oscillators via g-enhanced cross-coupled Colpitts transistors to obtain a differential output. At the supply voltage of 1.45 V, the output phase noise of the differential VCO is −119.2 dBc/Hz at 1 MHz offset frequency from the carrier frequency of 8.69 GHz, and the figure of merit is −190.2 dBc/Hz. Total VCO core power consumption is 5.99 mW. Tuning range is 1.01 GHz, from 8.69 to 9.7 GHz, while the control voltage was tuned from 0 to 2.0 V. © 2011 Wiley Periodicals, Inc. Microwave Opt Technol Lett 53:1183-1186, 2011; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.25934 [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Microwave & Optical Technology Letters is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Transistors
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