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IEICE Trans

Takashi OGAWA

-123.1 to -120.4 dBc/Hz, Little-Phase-Noise Variation VCO over 8.9 to 11.2 GHz under Cryogenic Temperature Using Optimal Common-Mode Control for Quantum Computers
Yusuke WACHI Takayasu NORIMATSU Yusuke KANNO Takashi OGAWA Satoru AKIYAMA Ryuta TSUCHIYA Hiroyuki MIZUNO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2026/10/01
Vol. E109-C  No. 10  pp. 493-502
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
quantum computer, Cryo-CMOS, VCO, cryogenic temperature, 
 Summary | Full Text:PDF
A 20-GHz Low-Noise RF Pulse Generator for Silicon Quantum Computer with 137.4-fs Jitter
Takayasu NORIMATSU Yusuke WACHI Takuji MIKI Yusuke KANNO Ryozo TAKAHASHI Takashi OGAWA Takeru UTSUGI Tomonori SEKIGUCHI Makoto NAGATA Hiroyuki MIZUNO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2025/10/01
Vol. E108-C  No. 10  pp. 536-544
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Applications)
Category: 
Keyword: 
silicon quantum computer, cryogenic circuit, pulse generator and IQ modulation, 
 Summary | Full Text:PDF
Self-Organizing Digital Spike Maps for Learning of Spike-Trains
Takashi OGAWA Toshimichi SAITO 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2011/12/01
Vol. E94-A  No. 12  pp. 2845-2852
Type of Manuscript:  PAPER
Category: Nonlinear Problems
Keyword: 
digital spiking neurons, cellular automaton, spike-trains, supervised learning, 
 Summary | Full Text:PDF
Design and Performance of Intergate-Channel-Connected Multi-Gate pHEMT for Antenna Switch
Shigeki KOYA Takashi OGAWA Hiroyuki TAKAZAWA Akishige NAKAJIMA Shinya OSAKABE Yasushi SHIGENO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/06/01
Vol. E94-C  No. 6  pp. 1053-1056
Type of Manuscript:  BRIEF PAPER
Category: 
Keyword: 
pHEMT, RF switch, MMIC, distortion, 
 Summary | Full Text:PDF