Integrated circuit overload protection device

Details Integrated circuit overload protection device Integrated circuit overload protection device

1981-06-15

1984-07-31

Edlow, Martin H.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 46, 357 40, 357 48, 307252A, 307324, 307280, H01L 2702, H01L 2704

Patent

active

044633696

ABSTRACT:
An integrated circuit overload protection device is used to protect a bipolar transistor used in the common emitter configuration. The protective device comprises a bipolar transistor of opposite type to the protected amplifying transistor. The protective transistor is connected with its base to the collector of the amplifying transistor and with its collector connected to the terminal of the power supply which is not connected to a terminal of the load resistor of the protected device. The emitter of the protective device is preferably connected to the base of the protected device through a protective resistor. Inputs to the protected transistor are provided at the interconnection of the emitter of the protected device with one terminal of the protective resistor.

REFERENCES:
patent: 3611067 (1970-04-01), Oberlin
patent: 3969747 (1976-07-01), Tsuyuki
patent: 3971060 (1976-07-01), Leuschner
patent: 4021687 (1977-05-01), Yoshimura
patent: 4027180 (1977-05-01), Ring
patent: 4118640 (1978-10-01), Ochi et al.
patent: 4122481 (1978-10-01), Horie
patent: 4160988 (1979-07-01), Russell
patent: 4260906 (1981-04-01), Tokumaru et al.
patent: 4382195 (1983-05-01), Pohl et al.
patent: 4390890 (1983-06-01), Bergeron et al.
"Conplementary Output. . . ", 104, p. 71, Jun. 22, 1964, vol. 12, No. 13, Electronics Design.

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