査読有り 2019年5月29日 Headphone Amplifier and Its Layout for Education for High School Student 2019 IEEE International Symposium on Circuits and Systems (ISCAS) Chiharu Umezaki, Akio Shimizu, Takashi Yoshitomi, Takuro Noguchi, Yohei Ishikawa, Sumio Fukai エクスポート BibTeX RIS