Title:
FILTER COMPRISING ACTIVE RESISTOR, AND SIGMA-DELTA MODULATOR RIPPLE SMOOTHING CIRCUIT OF CAPACITIVE MICRO-ACCELERATION SENSOR USING SAME
Document Type and Number:
WIPO Patent Application WO/2016/111479
Kind Code:
A1
Abstract:
A filter according to the present embodiment comprises: an active resistor comprising a level shift unit, which receives an input signal so as to provide a control voltage formed by shifting up the level of the input signal, and a metal oxide semiconductor (MOS) transistor operating in a deep triode region by allowing the control voltage to be applied to a control end; and a capacitor connected to the active resistor.
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Inventors:
LEE BYEUNG LEUL (KR)
NAM CHUL (KR)
NAM CHUL (KR)
Application Number:
PCT/KR2015/013693
Publication Date:
July 14, 2016
Filing Date:
December 15, 2015
Export Citation:
Assignee:
UNIV KOREA IND UNIV COOP FOUND (KR)
International Classes:
H03H11/12; G01P15/125
Domestic Patent References:
| WO2013062164A1 | 2013-05-02 |
Foreign References:
| JP2001221654A | 2001-08-17 | |||
| KR20090109454A | 2009-10-20 | |||
| KR20100041967A | 2010-04-23 | |||
| KR100836900B1 | 2008-06-11 |
Attorney, Agent or Firm:
NAM, JUNG KIL (KR)
남정길 (KR)
남정길 (KR)
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