一方向伝送回路に関する一,二の実験と考察

概要

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In general, the isolators or the one-way transfer circuits are realized by combining an electrical gyrator and an aditional resistance. This paper deals with both the one-frequency gyrtor and the wide band frequency gyrator.　The one-frequency gyrator is provided by combining two dual types of the electromecanical transducers and is the magneto electrostrictive vibrator which is made of the ferrite bars bonded to a barium titanate plate. And the wide band frequency gyrator can be formed by using the Hall element of a semiconductor.　In the isolator consisting of all electromechanical transducer, the transfer direction in the one-way system can be changed by employing the capacitance instead of the inductance which is used as the shunt impebance of the network connected in series with the gyrator.　At the latter part of this paper, the gyrator consisting of the Hall element is discnssed and a new treatment of the equivalent circuits of the Hall element is described.　The experimental results shows that the voltage transfer ratio of front to backward is about 35 db for the frequencies below 10 kc/s.
山形大学の論文
1964-12-25