Reference voltage generators including first and second transist

Details Reference voltage generators including first and second transist Reference voltage generators including first and second transist

1997-09-12

2000-03-21

Wells, Kenneth B.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

327543, 323313, G05F 110

Patent

active

060407352

ABSTRACT:
Reference voltage generators can be made relatively insensitive to variations in threshold voltages due to device fabrication processes by providing first and second transistors of the same conductivity type that are connected to one another and between first and second power supply voltages, such that the first transistor operates below the threshold voltage thereof and the second transistor operates above the threshold voltage thereof. The first transistor includes a gate that is coupled to a first node connected to a first power supply voltage and that is connected between an output reference voltage terminal and a second node that is connected to a second power supply voltage. The second transistor includes a gate that is coupled to the second node and is connected between the first node and the second power supply voltage.

REFERENCES:
patent: 5109187 (1992-04-01), Guliani
patent: 5744999 (1998-04-01), Kim et al.

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