Output stage for an ac voltage switch

Details Output stage for an ac voltage switch Output stage for an ac voltage switch

1990-01-10

1992-08-25

Stephan, Steven L.

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific quantity comparison means

H02H 318

Patent

active

051424312

ABSTRACT:
The invention relates to an output stage for an ac voltage switch, more particularly an ac voltage proximity switch, wherein a load is supplied from an ac voltage source via a rectifier which can be connected from an input stage via a control stage to a MOSFET connected to the output of the rectifier, wherein the internal voltage supply of the input stage and the control stage, when the rectifier is not connected the input stage and the control stage are connected via a source or an emitter-follower with voltage-stabilized input to the ac voltage source, and when the rectifier is connected the input stage and the control stage are connected to a voltage-stabilized electronic structural component at the output of the rectifier. This voltage-stabilized structural component is the MOSFET connected to the output of the rectifier, and when the rectifier is connected, the FET or transistor of the source or emitter-follower is connected through by the control stage.

REFERENCES:
patent: 4378586 (1983-03-01), Bete
patent: 4893211 (1990-01-01), Bynum et al.

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