Dual-Core High-Swing Class-C VCO design
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초록
We utilize the idea of reducing phase noise (PN) by combining multiple oscillators. The dual core LC-tank oscillator is based on a high-swing class-C topology and realized in 65-nm CMOS process. As a result of simulation, it is tunable within 1.12-1.25 GHz, while drawing 1.7 mA from a 1.2 V power supply. Phase noise and figure-of-merit (FOM) are −135.0 dBc/Hz and 194 dB at 1MHz, respectively, from a 1.12 GHz carrier frequency.
Abstract
We utilize the idea of reducing phase noise (PN) by combining multiple oscillators. The dual core LC-tank oscillator is based on a high-swing class-C topology and realized in 65-nm CMOS process. As a result of simulation, it is tunable within 1.12-1.25 GHz, while drawing 1.7 mA from a 1.2 V power supply. Phase noise and figure-of-merit (FOM) are −135.0 dBc/Hz and 194 dB at 1MHz, respectively, from a 1.12 GHz carrier frequency.
참고문헌 (17)
- S. A. -R. Ahmadi-Mehr, "Analysis and design of a multi-core oscillator for ultra-low phase noise", IEEE Trans. Circuits Syst. I, Reg. Papers, 63(4), pp.529~539 (2016)
- M. Babaie, "A class-F CMOS oscillator", IEEE J. Solid-State Circuits, 48(12), pp.3120~3133 (2013)
- L. Fanori, "Class-D CMOS oscillators", IEEE J. SolidState Circuits, 48(12), pp.3105~3119 (2013)
- M. Babaie, "An ultra-low phase noise class-F2 CMOS oscillator with 191 dBc", Hz FoM and long-term reliability, 2015, pp.50(3), 679~692
- P. Andreani, "On the phase-noise and phase-error performances of multiphase LC CMOS VCOs", IEEE J. Solid-State Circuits, 39(11), pp.1883~1893 (2004)
- A. Mazzanti, "Class-C harmonic CMOS VCOs, with a general result on phase noise", IEEE J. Solid-State Circuits, 43(12), pp.2716~2729 (2008)
- Z. Wang, "Analysis of current efficiency for cmos class-b lc oscillators", IEEE Trans. Circuits Syst. I, Reg. Papers, 62(5), pp.1345~1352 (2015)
- M. Garampazi, "An intuitive analysis of phase noise fundamental limits suitable for benchmarking LC oscillators", IEEE J. SolidState Circuits, 49(3), pp.635~645 (2014)
- M. Tohidian, "Dual-core high-swing class-C oscillator with ultra-low phase noise", Proc. IEEE Radio Freq. Integr. Circuits Symp. (RFIC), pp.243~246 (2013)
- D. Leeson, "A simple model of feedback oscillator noise spectrum", Proc. IEEE, 54(2), pp.329~330 (1966)
- M. Tohidian, "High-swing class-C VCO", Proc. ESSCIRC, pp.495~498 (2011)
- B. Razavi, "RF Microelectronics" (2011), Prentice-Hall
- H. -C. Chang, "Phase noise in coupled oscillators : Theory and experiment", IEEE Trans. Microwave Theory Tech, 45(5), pp.604~615 (1997)
- X. Cao, "Phase noise reduction in scanning oscillator arrays", IEEE MTT-S Int. Microw. Symp. Dig, 2, pp.769~772 (1995)
- L. Romano, "Multiphase LC oscillators", IEEE Trans. Circuits Syst. I, Reg. Papers, 53(7), pp.1579~1588 (2006)
- A. Mirzaei, "The quadrature LC oscillator : A complete portrait based on injection locking", IEEE J. Solid-State Circuits, 42(9), pp.1916~1932 (2007)
- C. -M. Hung, "A digitally controlled oscillator system for SAW-less transmitters in cellular handsets", IEEE J. Solid-State Circuits, 41(5), pp.1160~1170 (2006)
