Constant voltage generating circuit and reference voltage...

Details Constant voltage generating circuit and reference voltage... Constant voltage generating circuit and reference voltage...

2006-05-30

2006-05-30

Berhane, Adolf (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

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

C327S539000

Reexamination Certificate

active

07053596

ABSTRACT:
In a constant voltage generating circuit and a reference voltage generating circuit, a band-gap circuit operates by using, not a power source voltage, but a constant voltage generated in a constant voltage circuit as a power supply voltage. The constant voltage circuit is equipped with a constant voltage circuit having transistors connected in series and a capacitor, and a transistor is equipped between a constant current circuit and the constant voltage circuit. Furthermore, transistors are added to prevent an early effect of the transistors in the constant current circuit.

REFERENCES:
patent: 4670706 (1987-06-01), Tobita
patent: 5719522 (1998-02-01), Saitou et al.
patent: 6784724 (2004-08-01), Takemura
patent: A-5-88767 (1992-04-01), None

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