Makoto Hayakawa

A novel uwb impulse-radio transmitter with all-digitally-controlled pulse generator

Takayasu Norimatsu, Ryosuke Fujiwara, Masaru Kokubo et al. · 2005 · 43 citations

Developed Uwb Transmitter, Engineering, Ultra-wideband Communications +9

A linear and efficient 1-bit digital transmitter with envelope delta-sigma modulation for 700MHz LTE

Masaaki Tanio, Satoshi Hori, Makoto Hayakawa et al. · 2014 · 26 citations

Edsm Scheme, Multi-carrier Communication, Mixed-signal Integrated Circuit +8

Envelope delta-sigma-modulated voltage-mode class-S PA

Andreas Wentzel, W. Heinrich, Shinichi Hori et al. · 2012 · 15 citations

Digital Transmitter Architecture, Electrical Engineering, Envelope Delta-sigma Modulator +10

Digital doherty transmitter with envelope ΔΣ modulated class-D GaN power amplifier for 800 MHz band

Keiichi Motoi, Andreas Wentzel, Masaaki Tanio et al. · 2014 · 13 citations

Electrical Engineering, Digital Doherty Tx, Tx Architecture +3

A Study of GaN HEMTs Current Collapse Impacts on Doherty Multistage PA Linearity

Yoji Murao, Makoto Hayakawa, Kazuya Ohgami et al. · 2015 · 11 citations