RC relaxational oscillator with high supply rejection
Wang, Tianyu
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https://hdl.handle.net/2142/101377
Description
Title
RC relaxational oscillator with high supply rejection
Author(s)
Wang, Tianyu
Issue Date
2018-04-26
Director of Research (if dissertation) or Advisor (if thesis)
Hanumolu, Pavan Kumar
Department of Study
Electrical & Computer Eng
Discipline
Electrical & Computer Engr
Degree Granting Institution
University of Illinois at Urbana-Champaign
Degree Name
M.S.
Degree Level
Thesis
Keyword(s)
RC Oscillator
Supply Rejection
Abstract
A low power RC relaxation oscillator with very low voltage and temperature sensitivities is presented. Supply sensitivity is reduced by using a self-regulation loop that biases the oscillator near its zero-voltage coefficient point. Fabricated in a 65nm CMOS process, the prototype 1.5MHz oscillator consumes 6μW from 1V supply and achieves better than ±50ppm/ ̊C and ±1500ppm/V temperature and voltage sensitivities, respectively.
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