Takao KIHARA


A Design of 0.7-V 400-MHz All-Digital Phase-Locked Loop for Implantable Biomedical Devices
Jungnam BAE Saichandrateja RADHAPURAM Ikkyun JO Weimin WANG Takao KIHARA Toshimasa MATSUOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2016/04/01
Vol. E99-C  No. 4  pp. 431-439
Type of Manuscript:  Special Section PAPER (Special Section on Solid-State Circuit Design---Architecture, Circuit, Device and Design Methodology)
Category: 
Keyword: 
all-digital phase-locked loopcontrollerdigitally-controlled oscillatorphase interpolatorCMOSMICS
 Summary | Full Text:PDF(1.7MB)

A Design of 0.7-V 400-MHz Digitally-Controlled Oscillator
Jungnam BAE Saichandrateja RADHAPURAM Ikkyun JO Takao KIHARA Toshimasa MATSUOKA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2015/12/01
Vol. E98-C  No. 12  pp. 1179-1186
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
digitally-controlled oscillatorΔΣ modulatordynamic element matchingdata-weighted averagingclocked averagingCMOSMICS
 Summary | Full Text:PDF(1.6MB)

A Multiband LTE SAW-Less CMOS Transmitter with Source-Follower-Driven Passive Mixers, Envelope-Tracked RF-PGAs, and Marchand Baluns
Takao KIHARA Tomohiro SANO Masakazu MIZOKAMI Yoshikazu FURUTA Mitsuhiko HOKAZONO Takaya MARUYAMA Tetsuya HEIMA Hisayasu SATO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 774-782
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
multibandLTESAW-lessCMOStransmitterquadrature modulatorsource followerenvelope-trackingprogrammable gain amplifierbalun
 Summary | Full Text:PDF(3.4MB)

A Transformer Noise-Canceling Ultra-Wideband CMOS Low-Noise Amplifier
Takao KIHARA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/02/01
Vol. E93-C  No. 2  pp. 187-199
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
CMOSlow-noise amplifier (LNA)noise cancellationultra-wideband (UWB)transformer
 Summary | Full Text:PDF(1MB)

Low-Voltage Wireless Analog CMOS Circuits toward 0.5 V Operation
Toshimasa MATSUOKA Jun WANG Takao KIHARA Hyunju HAM Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2010/02/01
Vol. E93-A  No. 2  pp. 356-366
Type of Manuscript:  INVITED PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
analogRFCMOSforward body biasingtransformerstochastic resonance
 Summary | Full Text:PDF(1.4MB)

A 0.5 V Area-Efficient Transformer Folded-Cascode CMOS Low-Noise Amplifier
Takao KIHARA Hae-Ju PARK Isao TAKOBE Fumiaki YAMASHITA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2009/04/01
Vol. E92-C  No. 4  pp. 564-575
Type of Manuscript:  PAPER
Category: Integrated Electronics
Keyword: 
CMOSlow-noise amplifier (LNA)low voltagetransformer
 Summary | Full Text:PDF(1.4MB)

Analytical Expression Based Design of a Low-Voltage FD-SOI CMOS Low-Noise Amplifier
Takao KIHARA Guechol KIM Masaru GOTO Keiji NAKAMURA Yoshiyuki SHIMIZU Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2007/02/01
Vol. E90-A  No. 2  pp. 317-325
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
low-noise amplifier (LNA)FD-SOI CMOSnoiselinearitylow-voltage
 Summary | Full Text:PDF(795.5KB)

Accurate Small-Signal Modeling of FD-SOI MOSFETs
Guechol KIM Yoshiyuki SHIMIZU Bunsei MURAKAMI Masaru GOTO Keisuke UEDA Takao KIHARA Toshimasa MATSUOKA Kenji TANIGUCHI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2006/04/01
Vol. E89-C  No. 4  pp. 517-519
Type of Manuscript:  Special Section LETTER (Special Section on Advanced RF Technologies for Compact Wireless Equipment and Mobile Phones)
Category: 
Keyword: 
FD-SOIMOSFETRFmodelingnon-quasi-static
 Summary | Full Text:PDF(237.8KB)