Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1987-01-02
1989-02-28
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307451, 307570, H03K 1902, H03K 19094, H03K 1760
Patent
active
048088501
ABSTRACT:
A novel composite circuit comprises a first bipolar transistor with a collector of a first conductivity type connected to a first potential, an emitter of the first conductivity type connected to an output, a second bipolar transistor with a collector of the first conductivity type connected to the output and an emitter of the first conductivity type connected to a second potential, a field effect transistor of a second conductivity type with a gate connected to an input, a source connected to a third potential and a drain connected to the base of the first bipolar transistor, a field effect transistor of the first conductivity type with a gate connected to the input, a drain connected to the base of the first bipolar transistor, and a source connected to the base of the second bipolar transistor, and a unidirectional element inserted between the output and the drain of the field effect transistor of the first conductivity type and having a direction of rectification opposite to that of the PN junction formed between the base and emitter of the first bipolar transistor.
REFERENCES:
patent: 4616146 (1986-10-01), Lee et al.
Iwamura Masahiro
Masuda Ikuro
Nishihara Motohisa
Heyman John S.
Hitachi , Ltd.
Wambach M. R.
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