Koji Asami

34 papers A 8Misc 3Journal 9Unranked 14
YearRankTypeTitle / Venue / Authors
2025 J jnl
Comparative Analysis of Interleaving Schemes in High-Speed Digital-to-Analog Converters.
IEICE Trans. Electron.
Yunjie Chen, Koji Asami, Zolboo Byambadorj, Akio Higo, Tetsuya Iizuka
2025 J jnl
Experimental Demonstration of Planar Near-Field to Far-Field Transformation With Probe Correction Technique.
IEEE Access
Zolboo Byambadorj, Koji Asami, Akio Higo, Nguyen Ngoc Mai Khanh, Sheng Guo, Hiroyuki Mineo, Natsuki Shiota, Tetsuya Iizuka
2025 — conf
TDR-Based S-Parameter Estimation of Signal Path to DUT Utilizing Built-In Driver and Comparator of ATE.
ATS
Kazuki Shirahata, Masahiro Ishida, Koji Asami, Toru Nakura, Akio Higo, Tetsuya Iizuka
2022 J jnl
High-Precision Sub-Nyquist Sampling System Based on Modulated Wideband Converter for Communication Device Testing.
IEEE Trans. Circuits Syst. I Regul. Pap.
Zolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka
2021 — conf
Application of Residue Sampling to RF/AMS Device Testing.
ATS
Shogo Katayama, Yudai Abe, Anna Kuwana, Koji Asami, Masahiro Ishida, Ryuya Ohta, Haruo Kobayashi
2020 J jnl
A Calibration Technique for Simultaneous Estimation of Actual Sensing Matrix Coefficients on Modulated Wideband Converters.
IEEE Trans. Circuits Syst.
Zolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka
2020 — conf
Analysis and Design of Multi-Tone Signal Generation Algorithms for Reducing Crest Factor.
ATS
Yukiko Shibasaki, Koji Asami, Riho Aoki, Akemi Hatta, Anna Kuwana, Haruo Kobayashi
2020 — conf
Study on Crest Factor Controlled Multi-Tone Signal for Analog RF Circuit Testing.
ISOCC
Yukiko Shibasaki, Koji Asami, Akemi Hatta, Riho Aoki, Anna Kuwana, Haruo Kobayashi
2020 J jnl
Theoretical Analysis of Noise Figure for Modulated Wideband Converter.
IEEE Trans. Circuits Syst. I Regul. Pap.
Zolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka
2020 — conf
Theoretical Analysis on Noise Performance of Modulated Wideband Converters for Analog Testing.
ATS
Zolboo Byambadorj, Koji Asami, Takahiro J. Yamaguchi, Akio Higo, Masahiro Fujita, Tetsuya Iizuka
2020 Misc conf
Ultra-Wideband Modulation Signal Measurement Using Local Sweep Digitizing Method.
VTS
Koji Asami, Keisuke Kusunoki, Nobuhiro Shimizu, Yoshiyuki Aoki
2019 — conf
Analog / Mixed-Signal / RF Circuits for Complex Signal Processing.
ASICON
Haruo Kobayashi, Nene Kushita, Minh Tri Tran, Koji Asami, Hao San, Anna Kuwana, Akemi Hatta
2019 — conf
Analysis and Evaluation Method of RC Polyphase Filter.
ASICON
Koji Asami, Nene Kushita, Akemi Hatta, Minh Tri Tran, Yoshiro Tamura, Anna Kuwana, Haruo Kobayashi
2019 — conf
Crest Factor Controlled Multi-Tone Signals for Analog/Mixed-Signal IC Testing.
ITC-Asia
Yukiko Shibasaki, Koji Asami, Anna Kuwana, Kosuke Machida, Yuanyang Du, Akemi Hatta, Kazuyoshi Kubo, Haruo Kobayashi
2019 J jnl
Physical Meanings of Fractal Behaviors of Water in Aqueous and Biological Systems with Open-Ended Coaxial Electrodes.
Sensors
Shin Yagihara, Rio Kita, Naoki Shinyashiki, Hironobu Saito, Yuko Maruyama, Tsubasa Kawaguchi, Kohei Shoji, Tetsuya Saito, Tsuyoshi Aoyama, Ko Shimazaki, Keisuke Matsumoto, Minoru Fukuzaki, Haruchika Masuda, Shinichiro Hiraiwa, Koji Asami, Masayuki Tokita
2018 Misc conf
Innovative practices on test in Japan.
VTS
Koji Asami, Yoshiro Tamura, Haruo Kobayashi, Jun Matsushima, Yoichi Maeda, Kazumi Hatayama
2018 — conf
Low-Distortion One-Tone and Two-Tone Signal Generation Using AWG Over Full Nyquist Region.
ITC-Asia
Tomonori Yanagida, Shohei Shibuya, Kosuke Machida, Koji Asami, Haruo Kobayashi
2017 — conf
Fibonacci sequence weighted SAR ADC as golden section search.
ISPACS
Hirotaka Arai, Takuya Arafune, Shohei Shibuya, Yutaro Kobayashi, Koji Asami, Haruo Kobayashi
2017 — conf
Low-distortion signal generation for analog/mixed-signal circuit testing with digital ATE.
ITC-Asia
Masayuki Kawabata, Koji Asami, Shohei Shibuya, Tomonori Yanagida, Haruo Kobayashi
2016 A conf
Novel crosstalk evaluation method for high-density signal traces using clock waveform conversion technique.
ITC
Takayuki Nakamura, Koji Asami
2016 — conf
Rectangular Waveform Generation with Harmonics Suppression.
ATS
Masayuki Kawabata, Koji Asami, Shohei Shibuya, Tomonori Yanagida, Haruo Kobayashi
2013 — conf
Digital Compensation for Timing Mismatches in Interleaved ADCs.
Asian Test Symposium
Ru Yi, Minghui Wu, Koji Asami, Haruo Kobayashi, Ramin Khatami, Atsuhiro Katayama, Isao Shimizu, Kentaroh Katoh
2013 Misc conf
Novel estimation method of EVM with channel correction for linear impairments in multi-standard RF transceivers.
VTS
Koji Asami, Takashi Shimura, Toshiaki Kurihara
2010 A conf
Evaluation techniques of frequency-dependent I/Q imbalances in wideband quadrature mixers.
ITC
Koji Asami, Toshiaki Kurihara, Yushi Inada
2010 A conf
Timing skew compensation technique using digital filter with novel linear phase condition.
ITC
Koji Asami, Hiroyuki Miyajima, Tsuyoshi Kurosawa, Takenori Tateiwa, Haruo Kobayashi
2009 J jnl
An Algorithm to Evaluate Imbalances of Quadrature Mixers.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Koji Asami, Michiaki Arai
2009 J jnl
Technique to Improve the Performance of Time-Interleaved A-D Converters with Mismatches of Non-linearity.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Koji Asami, Takahide Suzuki, Hiroyuki Miyajima, Tetsuya Taura, Haruo Kobayashi
2008 — conf
Technique to Improve the Performance of Time-Interleaved A-D Converters with Mismatches of Non-linearity.
ATS
Koji Asami, Hidetaka Suzuki, Hiroyuki Miyajima, Tetsuya Taura, Haruo Kobayashi
2007 J jnl
An Algorithm to Improve the Performance of M-Channel Time-Interleaved A-D Converters.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Koji Asami
2007 A conf
An algorithm to evaluate wide-band quadrature mixers.
ITC
Koji Asami
2005 A conf
Technique to improve the performance of time-interleaved A-D converters.
ITC
Koji Asami
2002 A conf
WCDMA Testing with a Baseband/IF Range AWG.
ITC
Koji Asami, Yasuo Furukawa, Michael Purtell, Motoo Ueda, Karl Watanabe, Toshifumi Watanabe
1999 A conf
A method to improve the performance of high-speed waveform digitizing.
ITC
Koji Asami, Shinsuke Tajiri
1996 A conf
Testing the Digital Modulation of PHS Devices.
ITC
Koji Asami