High-Resolution mm-wave Digitally Controlled Oscillator in CMOS Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/b8515q93r

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  • All-digital PLLs promise exible and precise frequency modulation continous-wave(FMCW) radar signal signal for 77GHz radar applications. Such PLLs require digitally-controlled oscillators(DCO) with wide frequency tuning range and high resolution to address a range of applications and low phase noise requirements. In this thesis, novel resonator structures with ne capacitance/inductance switching are embedded in a wide FTR common-source Colpitts DCO to achieve sub-MHz DCO frequency resolution at 77GHz. The proposed structures also reduce dependence on switch-position for frequency step size, simplifying calibration. Besides, three di erent oscillator topologies are compared, and an optimized oscillator structure is used to improve DCO gure of merit. The DCO implemented in 65nm CMOS occupies 0.1mm² and consumes 15.6mW to achieve phase noise of -115dBc/Hz at 10MHz o set at 80GHz and state-of-the-art mm-wave DCO FoM-T of -182dBc/Hz.
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  • description.provenance : Approved for entry into archive by Julie Kurtz(julie.kurtz@oregonstate.edu) on 2015-12-21T20:55:05Z (GMT) No. of bitstreams: 1 WangYunqi2015.pdf: 11363693 bytes, checksum: 184138898bb0cd1b8b3e1ff992b69f89 (MD5)
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  • description.provenance : Approved for entry into archive by Laura Wilson(laura.wilson@oregonstate.edu) on 2015-12-21T23:16:03Z (GMT) No. of bitstreams: 1 WangYunqi2015.pdf: 11363693 bytes, checksum: 184138898bb0cd1b8b3e1ff992b69f89 (MD5)

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