Y. Fukui

Electronically tunable low-pass filter in PLL frequency synthesizer

Yasuaki Sumi, Takao Tsukutani, Masami Higashimura, 2001, IVEC2001. Proceedings of the IEEE International Vehicle Electronics Conference 2001. IVEC 2001 (Cat. No.01EX522).

Voltage-mode active-only biquad

Yasuaki Sumi, Takao Tsukutani, Masami Higashimura, 2000 .

A Noise Reduction Method with Linear Prediction Using Periodicity of Voiced Speech

Yoshio Itoh, Naoto Sasaoka, Arata Kawamura, 2002 .

Realization of current-mode multifunction filters using multiple-output current conveyors

M. Higashimura, Y. Fukui, 1999, AP-ASIC'99. First IEEE Asia Pacific Conference on ASICs (Cat. No.99EX360).

Realization of current mode all-pass networks using a current conveyor

M. Higashimura, Y. Fukui, M. Higashimura, 1990 .

Versatile voltage-mode active-only biquad with lossless and lossy integrator loop

Yasuaki Sumi, Takao Tsukutani, Masami Higashimura, 2001 .