Shigehito SAIGUSA

A 1024-QAM Capable WLAN Receiver with -56.3dB Image Rejection Ratio Using Self-Calibration Technique
Shusuke KAWAI Toshiyuki YAMAGISHI Yosuke HAGIWARA Shigehito SAIGUSA Ichiro SETO Shoji OTAKA Shuichi ITO 
Publication:   
Publication Date: 2018/07/01
Vol. E101-C  No. 7  pp. 457-463
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Their Application Technologies)
Category: 
Keyword: 
WLAN, 1024-QAM, calibration, IQ mismatch, image rejection ratio, EVM, 
 Summary | Full Text:PDF
A Wide Bandwidth Analog Baseband Circuit for 60-GHz Proximity Wireless Communication Receiver in 65-nm CMOS
Masanori FURUTA Hidenori OKUNI Masahiro HOSOYA Akihide SAI Junya MATSUNO Shigehito SAIGUSA Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/02/01
Vol. E98-A  No. 2  pp. 492-499
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuit Techniques and Related Topics)
Category: 
Keyword: 
time-interleaved, SAR, ADC, dynamic, T/H circuit, high-speed, low-power, 
 Summary | Full Text:PDF
A 60 GHz Power Amplifier with 10 GHz 1-dB Bandwidth and 13.6% PAE in 65 nm CMOS
Tong WANG Toshiya MITOMO Naoko ONO Shigehito SAIGUSA Osamu WATANABE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2013/06/01
Vol. E96-C  No. 6  pp. 796-803
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
broadband amplifiers, millimeter wave integrated circuits, power amplifiers, 
 Summary | Full Text:PDF
A Single-Chip RF Tuner/OFDM Demodulator for Mobile Digital TV Application
Yoshimitsu TAKAMATSU Ryuichi FUJIMOTO Tsuyoshi SEKINE Takaya YASUDA Mitsumasa NAKAMURA Takuya HIRAKAWA Masato ISHII Motohiko HAYASHI Hiroya ITO Yoko WADA Teruo IMAYAMA Tatsuro OOMOTO Yosuke OGASAWARA Masaki NISHIKAWA Yoshihiro YOSHIDA Kenji YOSHIOKA Shigehito SAIGUSA Hiroshi YOSHIDA Nobuyuki ITOH 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2011/04/01
Vol. E94-C  No. 4  pp. 557-566
Type of Manuscript:  Special Section PAPER (Special Section on Circuits and Design Techniques for Advanced Large Scale Integration)
Category: 
Keyword: 
digital TV, 1-segment broadcasting, ISDB-T, tunable, low-noise amplifier, spurious signal, prescaler, PLL, 
 Summary | Full Text:PDF
A Triple-Band WCDMA Direct Conversion Receiver IC with Reduced Number of Off-Chip Components and Digital Baseband Control Signals
Osamu WATANABE Rui ITO Toshiya MITOMO Shigehito SAIGUSA Tadashi ARAI Takehiko TOYODA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/06/01
Vol. E91-C  No. 6  pp. 837-843
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
WCDMA, direct conversion receiver(DCR), triple-band, class AB mixer, DC offset canceler, 
 Summary | Full Text:PDF
A Fast fc Automatic Tuning Circuit with Wide Tuning Range for WCDMA Direct Conversion Receiver Systems
Osamu WATANABE Rui ITO Shigehito SAIGUSA Tadashi ARAI Tetsuro ITAKURA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/06/01
Vol. E90-C  No. 6  pp. 1247-1252
Type of Manuscript:  Special Section PAPER (Special Section on Analog Circuits and Related SoC Integration Technologies)
Category: 
Keyword: 
WCDMA, DCR, lowpass filter, fc automatic tuning, 
 Summary | Full Text:PDF