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A low‐voltage varactorless LC‐VCO in 65‐NM CMOS technology
Author(s) -
Lee Hui Dong,
Jung Jong Ho,
Lee Kwang Chun
Publication year - 2013
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.27310
Subject(s) - voltage controlled oscillator , phase noise , cmos , dbc , capacitor , electrical engineering , lc circuit , transistor , voltage , capacitance , offset (computer science) , power consumption , materials science , microwave , electronic engineering , engineering , optoelectronics , power (physics) , physics , computer science , telecommunications , electrode , quantum mechanics , programming language
A varactorless LC‐voltage‐controlled oscillator (VCO) topology is proposed.To exploit a frequency tuning, LC‐VCO adopts a variable capacitance block composed with a transistor and a capacitor. The prototype LC‐VCO is implemented in a 65‐nm CMOS technology. The measurement results show a tuning range of 4.31–4.45 GHz and a phase noise of −115.8 dBc/Hz at 1 MHz offset frequency. Power consumption is 2.44 mA from a 0.5 V supply. The die area is only 0.126 mm 2 . © 2012 Wiley Periodicals, Inc. Microwave Opt Technol Lett 55:245–247, 2012; View this article online at wileyonlinelibrary.com. DOI 10.1002/mop.27310
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