Takefumi YOSHIKAWA


Effect of Complex Permeability on Circuit Parameters of CPW with Magnetic Noise Suppression Sheet
Sho MUROGA Motoshi TANAKA Takefumi YOSHIKAWA Yasushi ENDO 
Publication:   
Publication Date: 2020/09/01
Vol. E103-B  No. 9  pp. 899-902
Type of Manuscript:  Special Section PAPER (Special Section on Electromagnetic Compatibility in Conjunction with EMC Sapporo and APEMC 2019)
Category: 
Keyword: 
Electromagnetic compatibilityelectromagnetic noise suppressormagnetic filmferromagnetic resonance lossmagnetic circuit
 Summary | Full Text:PDF(1.3MB)

Current-Mode Transceiver with Nonfeedback Clock Recovery Capability for Mobile Applications
Takefumi YOSHIKAWA Tetsuhiro OGINO Makoto NAGATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/09/01
Vol. E91-C  No. 9  pp. 1453-1462
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Processors Based on Novel Concepts in Computation)
Category: 
Keyword: 
interfacecurrent modelow powerlow EMI noise
 Summary | Full Text:PDF(2MB)

Transceiver Macro with Spread-Spectrum Clocking Capability for AC-Coupled Cable Interfaces
Takefumi YOSHIKAWA Yoshihide KOMATSU Tsuyoshi EBUCHI Takashi HIRATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/09/01
Vol. E91-C  No. 9  pp. 1444-1452
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Processors Based on Novel Concepts in Computation)
Category: 
Keyword: 
interfacespread-spectrum clockingAC coupling
 Summary | Full Text:PDF(2.5MB)

A Spread Spectrum Clock Generator Using Digital Tracking Scheme
Takefumi YOSHIKAWA Tsuyoshi EBUCHI Yukio ARIMA Toru IWATA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2005/06/01
Vol. E88-C  No. 6  pp. 1288-1289
Type of Manuscript:  Special Section LETTER (Special Section on Analog Circuit and Device Technologies)
Category: PLL
Keyword: 
PLLspread spectrum clockingEMIphase interpolator
 Summary | Full Text:PDF(594.1KB)