Switching circuit for large voltages

Electronic digital logic circuitry – Interface – Current driving

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Details

326 86, 326 80, 326112, H03K 190175, H03K 19094

Patent

active

060054158

ABSTRACT:
Method and apparatus for cascading devices wherein the output voltage is greater than the individual voltage capacity of the circuit components. The cascadable switch contains transistors connected so that the source and gate voltages on a given transistor are derived from the drain and source voltages of the preceding stage in the cascade. Depletion mode devices are utilized in one embodiment of the invention, while level shifter circuits are incorporated into another embodiment.

REFERENCES:
patent: 4042839 (1977-08-01), Araki
patent: 4085460 (1978-04-01), Lodi
patent: 5532620 (1996-07-01), Seo et al.

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