Design of power-efficient CMOS based oscillator circuit with varactor tuning control
This paper presents a low-power, wide tuning range CMOS voltage-controlled oscillator with MCML (MOS current mode logic) differential delay cell. Voltage controlled oscillator (VCO) circuit is designed in TSMC 0.25 μm CMOS process. To achieve the broad frequency range concept of variable capacitance...
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| Veröffentlicht in: | SN applied sciences 2021-04, Vol.3 (4), p.487, Article 487 |
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| creator | Dwivedi, Dileep Kumar, Manoj Niranjan, Vandana |
| description | This paper presents a low-power, wide tuning range CMOS voltage-controlled oscillator with MCML (MOS current mode logic) differential delay cell. Voltage controlled oscillator (VCO) circuit is designed in TSMC 0.25 μm CMOS process. To achieve the broad frequency range concept of variable capacitance is employed in the proposed VCO circuit. Source/drain tuning voltage (V
tune
) and body bias voltage (V
b
) of I-MOS varactor are used to achieve variable capacitance at different I-MOS varactor widths (W). The dual control voltage of I-MOS varactor results in a tuning range from 0.528 GHz to 2.014 GHz. VCO's figure of merit (FoM) is 152.13 dBc/Hz with phase noise of −93.77 dBc/Hz at 1 MHz offset from the oscillation frequency. The proposed VCO dissipates maximum power of 3.127 mW. |
| doi_str_mv | 10.1007/s42452-021-04501-y |
| format | Article |
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tune
) and body bias voltage (V
b
) of I-MOS varactor are used to achieve variable capacitance at different I-MOS varactor widths (W). The dual control voltage of I-MOS varactor results in a tuning range from 0.528 GHz to 2.014 GHz. VCO's figure of merit (FoM) is 152.13 dBc/Hz with phase noise of −93.77 dBc/Hz at 1 MHz offset from the oscillation frequency. The proposed VCO dissipates maximum power of 3.127 mW.</description><identifier>ISSN: 2523-3963</identifier><identifier>EISSN: 2523-3971</identifier><identifier>DOI: 10.1007/s42452-021-04501-y</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Applied and Technical Physics ; Broadcasting ; Capacitance ; Chemistry/Food Science ; Circuit design ; Circuits ; CMOS ; Design ; Earth Sciences ; Engineering ; Engineering: Communications Systems: Transceivers ; Environment ; Figure of merit ; Frequency ranges ; Materials Science ; Maximum power ; Networking ; Phase noise ; Radars ; Research Article ; SDR ; Telecommunications ; Transistors ; Tuning ; Varactor diodes ; Voltage ; Voltage controlled oscillators</subject><ispartof>SN applied sciences, 2021-04, Vol.3 (4), p.487, Article 487</ispartof><rights>The Author(s) 2021</rights><rights>The Author(s) 2021. This work is published under http://creativecommons.org/licenses/by/4.0/ (the “License”). Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c363t-19232f6d8868d8b300a3499662bc8b19b1c9aed204639cc97ccb704787d927d3</citedby><cites>FETCH-LOGICAL-c363t-19232f6d8868d8b300a3499662bc8b19b1c9aed204639cc97ccb704787d927d3</cites><orcidid>0000-0002-5057-8949</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,865,27929,27930</link.rule.ids></links><search><creatorcontrib>Dwivedi, Dileep</creatorcontrib><creatorcontrib>Kumar, Manoj</creatorcontrib><creatorcontrib>Niranjan, Vandana</creatorcontrib><title>Design of power-efficient CMOS based oscillator circuit with varactor tuning control</title><title>SN applied sciences</title><addtitle>SN Appl. Sci</addtitle><description>This paper presents a low-power, wide tuning range CMOS voltage-controlled oscillator with MCML (MOS current mode logic) differential delay cell. Voltage controlled oscillator (VCO) circuit is designed in TSMC 0.25 μm CMOS process. To achieve the broad frequency range concept of variable capacitance is employed in the proposed VCO circuit. Source/drain tuning voltage (V
tune
) and body bias voltage (V
b
) of I-MOS varactor are used to achieve variable capacitance at different I-MOS varactor widths (W). The dual control voltage of I-MOS varactor results in a tuning range from 0.528 GHz to 2.014 GHz. VCO's figure of merit (FoM) is 152.13 dBc/Hz with phase noise of −93.77 dBc/Hz at 1 MHz offset from the oscillation frequency. 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Sci</stitle><date>2021-04-01</date><risdate>2021</risdate><volume>3</volume><issue>4</issue><spage>487</spage><pages>487-</pages><artnum>487</artnum><issn>2523-3963</issn><eissn>2523-3971</eissn><abstract>This paper presents a low-power, wide tuning range CMOS voltage-controlled oscillator with MCML (MOS current mode logic) differential delay cell. Voltage controlled oscillator (VCO) circuit is designed in TSMC 0.25 μm CMOS process. To achieve the broad frequency range concept of variable capacitance is employed in the proposed VCO circuit. Source/drain tuning voltage (V
tune
) and body bias voltage (V
b
) of I-MOS varactor are used to achieve variable capacitance at different I-MOS varactor widths (W). The dual control voltage of I-MOS varactor results in a tuning range from 0.528 GHz to 2.014 GHz. VCO's figure of merit (FoM) is 152.13 dBc/Hz with phase noise of −93.77 dBc/Hz at 1 MHz offset from the oscillation frequency. The proposed VCO dissipates maximum power of 3.127 mW.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s42452-021-04501-y</doi><orcidid>https://orcid.org/0000-0002-5057-8949</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Applied and Technical Physics Broadcasting Capacitance Chemistry/Food Science Circuit design Circuits CMOS Design Earth Sciences Engineering Engineering: Communications Systems: Transceivers Environment Figure of merit Frequency ranges Materials Science Maximum power Networking Phase noise Radars Research Article SDR Telecommunications Transistors Tuning Varactor diodes Voltage Voltage controlled oscillators |
| title | Design of power-efficient CMOS based oscillator circuit with varactor tuning control |
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