Normally off bilateral switch

Details Normally off bilateral switch Normally off bilateral switch

1981-09-24

1983-12-27

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Signal isolator

307311, G02B 2700, H03K 17687

Patent

active

044233302

ABSTRACT:
A normally OFF linear bilateral switch using two VMOS FETs is described. The conduction state of the two VMOS FETs is controlled by a photodiode array optically coupled to a light emitting diode. A break-before-make switch may be constructed using this switch together with a normally ON JFET.

REFERENCES:
patent: 3321631 (1967-05-01), Beard et al.
patent: 4303831 (1981-12-01), El Hamamsy
patent: 4307298 (1981-12-01), El Hamamsy et al.

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