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ACTIVE COMMON-MODE FILTER meetings

Foreign code F130007464
Posted date Jul 9, 2013
Country WIPO
International application number 2012JP067976
International publication number WO 2013/008925
Date of international filing Jul 13, 2012
Date of international publication Jan 17, 2013
Priority data
  • P2011-155167 (Jul 13, 2011) JP
Title ACTIVE COMMON-MODE FILTER meetings
Abstract

The present invention has a structure that passes differential inputs A1 (positive electrode input) and B1 (negative electrode input) through transconductance amplifiers (50-80), combining an internal positive electrode signal and an internal negative electrode signal. The transconductance amplifiers (50, 60, 70, 80) cancel out a common-mode signal component, strengthen a normal-mode signal component, and perform a function equivalent to a common-mode choke coil. The invention also controls the characteristics and capacitors (91, 92) of the transconductance amplifiers, allowing control of gain and bandwidth.

  • Applicant
  • ※All designated countries except for US in the data before July 2012
  • NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY,
  • IKEBE MASAYUKI,
  • KONDOU AKIRA
  • Inventor
  • IKEBE MASAYUKI,
  • KONDOU AKIRA
IPC(International Patent Classification)
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