Reference current generator circuit

Details Reference current generator circuit Reference current generator circuit

2007-08-31

2009-12-29

Nguyen, Matthew V (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

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

C323S313000, C327S539000

Reexamination Certificate

active

07638996

ABSTRACT:
A reference current generator circuit that suppresses variations in the production of parts and attains a voltage reduction, thereby suppressing power consumption. The reference current generator circuit includes current generating circuit parts, differential amplifying circuit parts, output circuit parts that output first and second reference currents respectively, and a resistor for converting a reference current to a reference voltage. Since respective voltages are kept at the same potential, respective PMOSs are operated in a linear region by means of the differential amplifying circuit pads.

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patent: 2003-131749 (2003-05-01), None
Hironori Banba et al, “A CMOS Bandgap Reference Circuit with Sub-1-V Operation,” 1999 IEEE Journal of Solid-State Circuits, vol. 34, No. 5, May 1999, pp. 670-674.

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