Voltage output circuit

Details Voltage output circuit Voltage output circuit

1985-04-23

1987-06-23

Wong, Peter S.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

323316, G05F 320

Patent

active

046755926

ABSTRACT:
Disclosed is a circuit including an NPN transistor of which the collector is connected to a voltage output portion, the emitter is connected to a reference voltage portion, and the base is connected to the voltage output portion through a resistor providing a voltage drop across the base and the voltage output portion, circuit further comprises a pinch resistor connected in parallel to the former-recited resistor to make a reference output voltage Vref of the circuit have a predetermined reference value regardless of a current amplification factor .beta. of the output transistor.

REFERENCES:
patent: 3781648 (1973-12-01), Owens
patent: 4258311 (1981-03-01), Tokuda et al.
patent: 4339707 (1982-07-01), Gorecki

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