Title:
DIFFERENTIAL TRANSMISSION CIRCUIT AND PRINTED CIRCUIT BOARD
Document Type and Number:
WIPO Patent Application WO/2013/027349
Kind Code:
A1
Abstract:
A differential transmission circuit (100) includes differential signal transmission and reception units (1, 2) connected by a differential signal wiring having an inductor unit (11) composed of magnetically coupled first and second inductors (14, 15) provided on first and second signal lines, an input-side capacitor unit (12) including a first in¬ put-side capacitor (16) having one terminal connected to a first inductor signal input terminal and the other terminal grounded and a second input-side capacitor (17) having one terminal connected to a second inductor signal input terminal and the other terminal grounded, and an output-side capacitor unit (13) including a first output-side capacitor (18) having one terminal connected to a first inductor signal output terminal and the other terminal grounded and a second output-side capacitor (19) having one terminal connected to a second inductor signal output terminal and the other terminal grounded.
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Inventors:
TAKAHASHI YASUHIRO (JP)
Application Number:
PCT/JP2012/005006
Publication Date:
February 28, 2013
Filing Date:
August 07, 2012
Export Citation:
Assignee:
CANON KK (JP)
TAKAHASHI YASUHIRO (JP)
TAKAHASHI YASUHIRO (JP)
International Classes:
H03H7/42; H03H1/00
Foreign References:
| US5061913A | 1991-10-29 | |||
| JPH04372213A | 1992-12-25 | |||
| JP2011179665A | 2011-09-15 | |||
| JP2012159460A | 2012-08-23 |
Other References:
CHEN D Y ET AL: "Effects of Parasitic Parameters on EMI Filter Performance", IEEE TRANSACTIONS ON POWER ELECTRONICS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 19, no. 3, 1 May 2004 (2004-05-01), pages 869 - 877, XP011112348, ISSN: 0885-8993, DOI: 10.1109/TPEL.2004.826527
Attorney, Agent or Firm:
ABE, Takuma et al. (30-2 Shimomaruko 3-chome, Ohta-k, Tokyo 01, JP)
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Claims:
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