Koichi Maezawa

According to our database, Koichi Maezawa authored at least 24 papers between 1998 and 2023.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2023

A Novel Displacement Sensor Based on a Frequency Delta-Sigma Modulator and its Application to a Stylus Surface Profiler.

Koichi Maezawa, Umer Farooq, Masayuki Mori

IEICE Trans. Electron., September, 2023

Enhanced Oscillation Frequency in Series-Connected Resonant-Tunneling Diode-Oscillator Lattice Loop.

Koichi Narahara, Koichi Maezawa

IEICE Trans. Electron., July, 2023

Experimental Characterization of Resonant Tunneling Chaos Generator Circuits in Microwave Frequency Range.

Umer Farooq, Masayuki Mori, Koichi Maezawa

IEICE Trans. Electron., May, 2023

2021

Noise Floor Reduction in Frequency Delta-Sigma Modulation Microphone Sensors.

Koichi Maezawa, Masayuki Mori, Hiroya Andoh

Sensors, 2021

Transition Dynamics of Multistable Tunnel-Diode Oscillator Used for Effective Amplitude Modulation.

Koichi Narahara, Koichi Maezawa

IEICE Trans. Electron., 2021

Effects of Oscillator Phase Noise on Frequency Delta Sigma Modulators with a High Oversampling Ratio for Sensor Applications.

Koichi Maezawa, Masayuki Mori

IEICE Trans. Electron., 2021

Experimental Demonstration of a Hard-Type Oscillator Using a Resonant Tunneling Diode and Its Comparison with a Soft-Type Oscillator.

Koichi Maezawa, Tatsuo Ito, Masayuki Mori

IEICE Trans. Electron., 2021

2019

Study on impedance matching and maximum wireless power transfer efficiency of circuits with resonant coupling based on simplified <i>S</i>-matrix.

Hiroya Andoh, Keita Tsuzuki, Dai Oikawa, Toko Sugiura, Takehiko Tsukamoto, Koichi Maezawa

IEICE Electron. Express, 2019

2018

Full-wave analysis of traveling pulses developed in a system of transmission lines with regularly spaced resonant-tunneling diodes.

Koichi Narahara, Koichi Maezawa

Int. J. Circuit Theory Appl., 2018

Possibilities of Large Voltage Swing Hard-Type Oscillators Based on Series-Connected Resonant Tunneling Diodes.

Koichi Maezawa, Masayuki Mori

IEICE Trans. Electron., 2018

Large-amplitude voltage edge oscillating in a transmission line with regularly spaced series-connected resonant-tunneling diodes.

Koichi Narahara, Koichi Maezawa

IEICE Electron. Express, 2018

Characterization of a hard-type oscillator using series-connected tunnel diodes.

Koichi Narahara, Koichi Maezawa

IEICE Electron. Express, 2018

2016

Foreword.

Koichi Maezawa

IEICE Trans. Electron., 2016

2015

Resonant Tunneling Super Regenerative Detectors Detecting Higher Frequency Signals than Their Free-Running Oscillation Frequency.

Jie Pan, Yuichiro Kakutani, Taishu Nakayama, Masayuki Mori, Koichi Maezawa

IEICE Trans. Electron., 2015

2013

Possibility of THz detection with resonant tunneling super regenerative detectors based on extremely high order harmonics.

Koichi Maezawa, Jie Pan, Dongpo Wu, Yuichiro Kakutani, Jun Nakano, Masayuki Mori

IEICE Electron. Express, 2013

2012

Possibility of High Order Harmonic Oscillators Based on Active Transmission Lines Loaded with Resonant Tunneling Diode Pairs.

Jie Pan, Kazuki Hayano, Masayuki Mori, Koichi Maezawa

IEICE Trans. Electron., 2012

A Proposal of High-Performance Samplers Based on Resonant Tunneling Diodes.

Koichi Maezawa, Jie Pan, Dongpo Wu, Masayuki Mori

IEICE Trans. Electron., 2012

2010

A Third Order Harmonic Oscillator Based on Coupled Resonant Tunneling Diode Pair Oscillators.

Koichi Maezawa, Takashi Ohe, Koji Kasahara, Masayuki Mori

IEICE Trans. Electron., 2010

2008

A GaAs SOI HEMT Fabricated by Fluidic Self-Assembly and Its Application to an RF-Switch.

Koichi Maezawa, Ikuo Soga, Shigeru Kishimoto, Takashi Mizutani, Kazuhiro Akamatsu

IEICE Trans. Electron., 2008

2006

Novel Resonant Tunneling Diode Oscillator Capable of Large Output Power Operation.

Youhei Ookawa, Shigeru Kishimoto, Koichi Maezawa, Takashi Mizutani

IEICE Trans. Electron., 2006

Dual-clock MASH delta-sigma modulator employing a frequency modulated intermediate signal.

Koichi Maezawa, Mario Sakou, Wataru Matsubara, Takashi Mizutani

IEICE Electron. Express, 2006

2005

Controlling high-frequency chaos in resonant tunneling chaos generator circuits.

Koichi Maezawa, Yoshihiro Komoto, Shigeru Kishimoto, Takashi Mizutani, Misao Takakusaki, Hirofumi Nakata

IEICE Electron. Express, 2005

1998

Sampling phase detector using a resonant tunneling high electron mobility transistor for microwave phase-locked oscillators.

Hiroshi Okazaki, Tadao Nakagawa, Masahiro Muraguchi, Hiroyuki Fukuyama, Koichi Maezawa, Masafumi Yamamoto

IEEE Trans. Very Large Scale Integr. Syst., 1998

Ultrafast Ternary Quantizer using Resonant Tunneling Devices.

Toshihiro Itoh, Takao Waho, Koichi Maezawa, Masafumi Yamamoto

Proceedings of the 28th IEEE International Symposium on Multiple-Valued Logic, 1998