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Featured researches published by Toshihiro Makino.


international microwave symposium | 2005

Low loss two-port lumped element isolator using improved gyrator circuit

Takashi Hasegawa; Toshihiro Makino; Seigo Hino; Katsuyuki Ohira; Takekazu Okada

Design equations for a new low loss two-port isolator are derived by analyzing the conventional two-port isolator and improved gyrator circuit. The isolator performance is simulated using the admittance matrix; the result provides an insertion loss, 0.25dB less at 1920MHz to 1980MHz, compared to conventional two-port isolator. Using these design equations, a 3.2X3.2X1.5mm 3 cellular phone isolator which insertion loss is 0.36dBmax. at 1920MHz to 1980 MHz, is realized.


Archive | 1998

Nonreciprocal circuit device

Takekazu Okada; Toshihiro Makino; Akihito Masuda; Takashi Kawanami


Archive | 1998

Nonreciprocal circuit device and composite electronic component

Toshihiro Makino; Akihito Masuda; Takashi Kawanami; Yoshihiko Ashida


Archive | 2009

NON-RECIPROCAL CIRCUIT DEVICE

Toshihiro Makino; Takashi Kawanami


Archive | 2001

Nonreciprocal circuit device and communication apparatus

Toshihiro Makino; Hiroki Dejima; Takashi Kawanami; Toshihiro Yamamoto


Archive | 1998

Irreversible circuit element and composite electronic component

Yoshihiko Ashida; Takashi Kawanami; Toshihiro Makino; Akito Masuda; 昭人 増田; 崇 川浪; 敏弘 牧野; 良彦 芦田


Archive | 1999

Nonreciprocal circuit device with a dielectric film between the magnet and substrate

Takekazu Okada; Toshihiro Makino; Takashi Kawanami; Takashi Hasegawa


Archive | 2002

Nonreciprocal circuit device and communication apparatus incorporating the same

Toshihiro Makino; Masakatsu Mori


Archive | 1999

Isolator comprising three central conductors intersecting each other at predetermined angles

Toshihiro Makino; Hiroki Dejima; Takashi Kawanami


Archive | 2000

Nonreciprocal circuit device with vertical capacitors above half thickness of the ferrite

Toshihiro Makino; Takashi Kawanami; Takahiro Jodo; Takashi Hasegawa; Masakatsu Mori

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