A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars

The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automoti...
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Autor*in:	Iman Taha [verfasserIn] Mitra Mirhassani [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2019

Schlagwörter:	Digitally controlled oscillator (DCO) frequency resolution millimeter-wave frequency stable amplitude of oscillation varactor-less digitally controlled oscillator (DCO) wide tuning range

Übergeordnetes Werk:	In: IEEE Access - IEEE, 2014, 7(2019), Seite 72469-72481
Übergeordnetes Werk:	volume:7 ; year:2019 ; pages:72469-72481

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.1109/ACCESS.2019.2920071

Katalog-ID:	DOAJ05324673X

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allfields	10.1109/ACCESS.2019.2920071 doi (DE-627)DOAJ05324673X (DE-599)DOAJ67aa2fc56abc40b4bc51a8671d0d01b1 DE-627 ger DE-627 rakwb eng TK1-9971 Iman Taha verfasserin aut A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning. Digitally controlled oscillator (DCO) frequency resolution millimeter-wave frequency stable amplitude of oscillation varactor-less digitally controlled oscillator (DCO) wide tuning range Electrical engineering. Electronics. Nuclear engineering Mitra Mirhassani verfasserin aut In IEEE Access IEEE, 2014 7(2019), Seite 72469-72481 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:7 year:2019 pages:72469-72481 https://doi.org/10.1109/ACCESS.2019.2920071 kostenfrei https://doaj.org/article/67aa2fc56abc40b4bc51a8671d0d01b1 kostenfrei https://ieeexplore.ieee.org/document/8726408/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2019 72469-72481
spelling	10.1109/ACCESS.2019.2920071 doi (DE-627)DOAJ05324673X (DE-599)DOAJ67aa2fc56abc40b4bc51a8671d0d01b1 DE-627 ger DE-627 rakwb eng TK1-9971 Iman Taha verfasserin aut A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning. Digitally controlled oscillator (DCO) frequency resolution millimeter-wave frequency stable amplitude of oscillation varactor-less digitally controlled oscillator (DCO) wide tuning range Electrical engineering. Electronics. Nuclear engineering Mitra Mirhassani verfasserin aut In IEEE Access IEEE, 2014 7(2019), Seite 72469-72481 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:7 year:2019 pages:72469-72481 https://doi.org/10.1109/ACCESS.2019.2920071 kostenfrei https://doaj.org/article/67aa2fc56abc40b4bc51a8671d0d01b1 kostenfrei https://ieeexplore.ieee.org/document/8726408/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2019 72469-72481
allfields_unstemmed	10.1109/ACCESS.2019.2920071 doi (DE-627)DOAJ05324673X (DE-599)DOAJ67aa2fc56abc40b4bc51a8671d0d01b1 DE-627 ger DE-627 rakwb eng TK1-9971 Iman Taha verfasserin aut A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning. Digitally controlled oscillator (DCO) frequency resolution millimeter-wave frequency stable amplitude of oscillation varactor-less digitally controlled oscillator (DCO) wide tuning range Electrical engineering. Electronics. Nuclear engineering Mitra Mirhassani verfasserin aut In IEEE Access IEEE, 2014 7(2019), Seite 72469-72481 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:7 year:2019 pages:72469-72481 https://doi.org/10.1109/ACCESS.2019.2920071 kostenfrei https://doaj.org/article/67aa2fc56abc40b4bc51a8671d0d01b1 kostenfrei https://ieeexplore.ieee.org/document/8726408/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2019 72469-72481
allfieldsGer	10.1109/ACCESS.2019.2920071 doi (DE-627)DOAJ05324673X (DE-599)DOAJ67aa2fc56abc40b4bc51a8671d0d01b1 DE-627 ger DE-627 rakwb eng TK1-9971 Iman Taha verfasserin aut A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning. Digitally controlled oscillator (DCO) frequency resolution millimeter-wave frequency stable amplitude of oscillation varactor-less digitally controlled oscillator (DCO) wide tuning range Electrical engineering. Electronics. Nuclear engineering Mitra Mirhassani verfasserin aut In IEEE Access IEEE, 2014 7(2019), Seite 72469-72481 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:7 year:2019 pages:72469-72481 https://doi.org/10.1109/ACCESS.2019.2920071 kostenfrei https://doaj.org/article/67aa2fc56abc40b4bc51a8671d0d01b1 kostenfrei https://ieeexplore.ieee.org/document/8726408/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2019 72469-72481
allfieldsSound	10.1109/ACCESS.2019.2920071 doi (DE-627)DOAJ05324673X (DE-599)DOAJ67aa2fc56abc40b4bc51a8671d0d01b1 DE-627 ger DE-627 rakwb eng TK1-9971 Iman Taha verfasserin aut A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars 2019 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning. Digitally controlled oscillator (DCO) frequency resolution millimeter-wave frequency stable amplitude of oscillation varactor-less digitally controlled oscillator (DCO) wide tuning range Electrical engineering. Electronics. Nuclear engineering Mitra Mirhassani verfasserin aut In IEEE Access IEEE, 2014 7(2019), Seite 72469-72481 (DE-627)728440385 (DE-600)2687964-5 21693536 nnns volume:7 year:2019 pages:72469-72481 https://doi.org/10.1109/ACCESS.2019.2920071 kostenfrei https://doaj.org/article/67aa2fc56abc40b4bc51a8671d0d01b1 kostenfrei https://ieeexplore.ieee.org/document/8726408/ kostenfrei https://doaj.org/toc/2169-3536 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2019 72469-72481
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callnumber-first	T - Technology
author	Iman Taha
spellingShingle	Iman Taha misc TK1-9971 misc Digitally controlled oscillator (DCO) misc frequency resolution misc millimeter-wave frequency misc stable amplitude of oscillation misc varactor-less digitally controlled oscillator (DCO) misc wide tuning range misc Electrical engineering. Electronics. Nuclear engineering A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars
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topic_title	TK1-9971 A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars Digitally controlled oscillator (DCO) frequency resolution millimeter-wave frequency stable amplitude of oscillation varactor-less digitally controlled oscillator (DCO) wide tuning range
topic	misc TK1-9971 misc Digitally controlled oscillator (DCO) misc frequency resolution misc millimeter-wave frequency misc stable amplitude of oscillation misc varactor-less digitally controlled oscillator (DCO) misc wide tuning range misc Electrical engineering. Electronics. Nuclear engineering
topic_unstemmed	misc TK1-9971 misc Digitally controlled oscillator (DCO) misc frequency resolution misc millimeter-wave frequency misc stable amplitude of oscillation misc varactor-less digitally controlled oscillator (DCO) misc wide tuning range misc Electrical engineering. Electronics. Nuclear engineering
topic_browse	misc TK1-9971 misc Digitally controlled oscillator (DCO) misc frequency resolution misc millimeter-wave frequency misc stable amplitude of oscillation misc varactor-less digitally controlled oscillator (DCO) misc wide tuning range misc Electrical engineering. Electronics. Nuclear engineering
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title	A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars
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title_full	A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars
author_sort	Iman Taha
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author_browse	Iman Taha Mitra Mirhassani
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format_se	Elektronische Aufsätze
author-letter	Iman Taha
doi_str_mv	10.1109/ACCESS.2019.2920071
author2-role	verfasserin
title_sort	varactor-less dco with <inline-formula< <tex-math notation="latex"<$7~ghz$ </tex-math<</inline-formula< tuning range for <inline-formula< <tex-math notation="latex"<$77~ghz$ </tex-math<</inline-formula< automotive radars
callnumber	TK1-9971
title_auth	A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars
abstract	The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning.
abstractGer	The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning.
abstract_unstemmed	The generation of precise linear frequency modulation is a critical requirement for millimeterwave automotive radars. This paper presents the analysis and design of a CMOS 75.5 - 82.5 GHz monotonically linear digitally controlled oscillator (ML-DCO) fulfilling the requirements of the 77 GHz automotive radar. Non-linear large varactors are avoided. Linear coarse, intermediate, and fine-tuning ranges are achieved by arranging the available minimum Metal-Oxide-Metal (MoM) capacitor in unique configurations. Moreover, a new tuning mechanism derived from a Colpitts topology is discussed to meet the wide tuning requirements without losing linearity. The new arrangement results in a minimal amplitude variation while the ML-DCO is tuned. The coarse, intermediate, and fine-tuning steps from the post-layout simulation are 0.22, 10, and 346 KHz, respectively. The power consumption is 14 mW from a 1.2 V supply. The achieved phase-noise is -98.53 dBc/Hz at a 1 MHz offset when oscillating at 77 GHz. The ML-DCO demonstrates -185 Figure of Merit and -184 Figure of Merit for Tuning.
collection_details	GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700
title_short	A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars
url	https://doi.org/10.1109/ACCESS.2019.2920071 https://doaj.org/article/67aa2fc56abc40b4bc51a8671d0d01b1 https://ieeexplore.ieee.org/document/8726408/ https://doaj.org/toc/2169-3536
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doi_str	10.1109/ACCESS.2019.2920071
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up_date	2024-07-03T16:38:01.570Z
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A Varactor-Less DCO With <inline-formula< <tex-math notation="LaTeX"<$7~GHz$ </tex-math<</inline-formula< Tuning Range for <inline-formula< <tex-math notation="LaTeX"<$77~GHz$ </tex-math<</inline-formula< Automotive Radars

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