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231225s2021 xx |||||o 00| ||eng c |
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|a 10.1109/TUFFC.2020.3048929
|2 doi
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|a pubmed24n1065.xml
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|a (DE-627)NLM319593398
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|a (NLM)33395392
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Kourani, Ali
|e verfasserin
|4 aut
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|a L- and X-Band Dual-Frequency Synthesizer Utilizing Lithium Niobate RF-MEMS and Open-Loop Frequency Dividers
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 27.04.2021
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a This article presents an 8.6-GHz oscillator utilizing the third-order antisymmetric overtone ( A3 ) in a lithium niobate (LiNbO3) radio frequency microelectromechanical systems (RF-MEMS) resonator. The oscillator consists of an acoustic resonator in a closed loop with cascaded RF tuned amplifiers (TAs) built on Taiwan Semiconductor Manufacturing Company (TSMC) RF general purpose (GP) 65-nm complementary metal-oxide semiconductor (CMOS). The TAs bandpass response, set by on-chip inductors, satisfies Barkhausen's oscillation conditions for A3 while suppressing the fundamental and higher order resonances. Two circuit variations are implemented. The first is an 8.6-GHz standalone oscillator with a source-follower buffer for direct 50- Ω -based measurements. The second is an oscillator-divider chain using an on-chip three-stage divide-by-two frequency divider for a ~1.1-GHz output. The standalone oscillator achieves a measured phase noise of -56, -113, and -135 dBc/Hz at 1 kHz, 100 kHz, and 1 MHz offsets from an 8.6-GHz output while consuming 10.2 mW of dc power. The oscillator also attains a figure-of-merit of 201.6 dB at 100-kHz offset, surpassing the state-of-the-art (SoA) oscillators-based electromagnetic (EM) and RF-MEMS. The oscillator-divider chain produces a phase noise of -69.4 and -147 dBc/Hz at 1 kHz and 1 MHz offsets from a 1075-MHz output while consuming 12 mW of dc power. Its phase noise performance also surpasses the SoA L -band phase-locked loops (PLLs). With further optimization, this work can enable low-power multistandard wireless transceivers featuring high speed, high sensitivity, and high selectivity in small-form factors
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|a Journal Article
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|a Yang, Yansong
|e verfasserin
|4 aut
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| 700 |
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|a Gong, Songbin
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 68(2021), 5 vom: 04. Mai, Seite 1994-2004
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:68
|g year:2021
|g number:5
|g day:04
|g month:05
|g pages:1994-2004
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|u http://dx.doi.org/10.1109/TUFFC.2020.3048929
|3 Volltext
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