Hysteresis circuit

Details Hysteresis circuit Hysteresis circuit

1976-01-14

1977-03-22

Mullins, James B.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307235T, 307290, 307299B, 330 30D, H03K 520

Patent

active

040138984

ABSTRACT:
A differential amplifier including first and second transistors is provided. A first input terminal is connected via a resistor to the base of the first transistor, a second input terminal is connected to the base of the second transistor, and the emitters of the first and second transistors are connected to one terminal of a first current source. A current mirror circuit including third and fourth transistors of the complementary type to the first and second transistors is connected between the collector of the second transistor and one terminal of a second current source which has a current capacity substantially half that of the first current source. The other terminals of the first and second current sources ar connected together and a fifth transistor of the same type as the third and fourth transistors is connected between the collector of the first transistor and a power source terminal and the base of the fifth transistor is connected to the one terminal of the second current source.

REFERENCES:
patent: 3848139 (1974-11-01), Holt

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