Input protection device with Zener diodes for electronic device

Details Input protection device with Zener diodes for electronic device Input protection device with Zener diodes for electronic device

1995-06-05

1997-09-16

Mintel, William

Active solid-state devices (e.g., transistors, solid-state diode

Tunneling pn junction device

Reverse bias tunneling structure

257355, 257356, 257362, 257363, H01L 2362

Patent

active

056683847

ABSTRACT:
An input protection device comprises a current limiting resistor externally connected to an integrated circuit which includes two Zener diodes, one functioning as a power supply Zener diode and the other functioning as a ground Zener diode. Owing to the resistance of the current limiting resistor and junction capacitances of the Zener diodes, electromagnetic interference noise is effectively damped or attenuated.

REFERENCES:
patent: 4254442 (1981-03-01), Dijkmans et al.
patent: 4761566 (1988-08-01), Inoue et al.
patent: 5014155 (1991-05-01), Abe et al.
patent: 5027181 (1991-06-01), Larik et al.
patent: 5223737 (1993-06-01), Canclini

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