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Archive | 1986

Waveguide-microstrip line converter

Sadao Igarashi


Archive | 1987

Microwave band-pass filter

Sadao Igarashi; Moriaki Ueno


Archive | 1977

Phase locked loop with means for preventing locking at undesired frequencies

Sadao Igarashi


Archive | 1982

Microwave circuit apparatus

Sadao Igarashi


Archive | 1997

Multistage variable gain amplifier circuit

Sadao Igarashi; Kazuharu Aoki; Satoshi Urabe


Archive | 1997

AGC voltage correction circuit

Sadao Igarashi; Kazuharu Aoki; Satoshi Urabe


Archive | 2006

OPTICALLY-COUPLED ISOLATION CIRCUIT

Sadao Igarashi; Toshibumi Imamura; Atsushi Iwata; Motoharu Kishi; Yoshitaka Murasaka; Koichi Obinata; 貞男 五十嵐; 俊文 今村; 宏一 小日向; 穆 岩田; 佳隆 村坂; 元晴 貴志


Archive | 1997

Receiver integrated circuit for mobile telephone

Sadao Igarashi; Kazuharu Aoki


Archive | 1995

High-frequency oscillator circuit

Sadao Igarashi


Archive | 1990

2-stage differential amplifier connected in cascade

Susumu Ushida; Sadao Igarashi

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