Low resistance bandgap reference circuit with resistive...

Details Low resistance bandgap reference circuit with resistive... Low resistance bandgap reference circuit with resistive...

2006-03-07

2006-03-07

Riley, Shawn (Department: 2838)

Electricity: power supply or regulation systems

Self-regulating

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

C323S316000

Reexamination Certificate

active

07009374

ABSTRACT:
A CMOS bandgap reference (BGR) voltage generator circuit has a passive resistor T-network of low resistance connected between the inverting and non-inverting inputs of the op-amp in the circuit. The op-amp's output is connected to the gates of three PMOS transistors and the drains of two of the transistors are connected in a looped manner to the input terminals of the op-amp. The T-network is placed between these drains that connect to the op-amp.

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Hironori Banba et al., A CMOS Bandgap Reference Circuit with Sub-1-V Operation, IEEE Journal of Solid-State Circuits, May 1999, 670-674, vol. 34, No. 5.
K. Lasanen, et al., Design of a 1-V Low Power CMOS Bandgap Reference Based on Resistive Subdivision available at website www.ee.oulu.fi/˜Kimi/III-564.pdf on Aug. 11, 2003, 4 pgs.
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M. Waltari, et al., Reference Voltage Driver for Low-Voltage CMOS A/D Converters available at website www.ecdl.hut.fi/˜mwa/publications/2000/ICECS00—1.pdf on Aug. 11, 2003, 4 pgs.

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