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Hirofumi MATSUO

A Novel Standby Technique Reducing Power Loss in the Multi-Oscillated Current Resonant DC-DC Converter with Audible Noise Suppression Tadahiko SATO Hirofumi MATSUO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2012/06/01 Vol. J95-B No. 6 pp. 717-725 Type of Manuscript: PAPER Category: Keyword: multi-oscillated, current resonant, standby power consumption, audible noise suppression,
	Summary \| Full Text(in Japanese):PDF (2.1MB)

A Dynamic Response Improvement at Changeover Control of Digitally Controlled DC-DC Converter Masahiro SASAKI Hirofumi MATSUO Fujio KUROKAWA Yasuhiro MIMURA
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2007/08/01 Vol. J90-B No. 8 pp. 734-740 Type of Manuscript: PAPER Category: Keyword: DC-DC converter, digital control, digital control IC, VCO, dynamic characteristics,
	Summary \| Full Text(in Japanese):PDF (936.1KB)

A DC/DC Converter Circuit Using Charge Storage Diode Masaoki SEKINE Hirofumi MATSUO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2007/04/01 Vol. J90-B No. 4 pp. 422-431 Type of Manuscript: PAPER Category: Keyword: charge storage, switched snubber, active clamp, magnetizing current recycle, soft switching,
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An AC/DC Converter Circuit with Function of the Harmonics Reduction Masaoki SEKINE Hirofumi MATSUO Susumu TERAMOTO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2007/01/01 Vol. J90-B No. 1 pp. 74-83 Type of Manuscript: PAPER Category: Keyword: PFC, harmonics reduction, high power factor, resonant circuit, single-stage AC-DC converter,
	Summary \| Full Text(in Japanese):PDF (2.6MB)

A Comparison of Steady-State Characteristics of Buck Type DC-DC Converter Using DSP Fujio KUROKAWA Wataru OKAMOTO Hirofumi MATSUO
Publication: B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition) Publication Date: 2006/05/01 Vol. J89-B No. 5 pp. 673-681 Type of Manuscript: Special Section PAPER (Special Issue on Energy Electronics Technologies for Information and Telecommunication Systems) Category: Keyword: digital control, digital filter, moving average, minimum phase, limit cycle,
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