Low-voltage, buffered bandgap reference with selectable...

Details Low-voltage, buffered bandgap reference with selectable... Low-voltage, buffered bandgap reference with selectable...

2007-09-25

2007-09-25

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

Reexamination Certificate

active

11170559

ABSTRACT:
A temperature-independent voltage reference containing two independent bias circuits powered by the reference voltage, each bias circuit containing components with an exponential dependence of current on voltage and one containing a resistive impedance, and further including voltage dividers and an active component.

REFERENCES:
patent: 6075407 (2000-06-01), Doyle
patent: 6160391 (2000-12-01), Banba
patent: 6452437 (2002-09-01), Takeuchi et al.
patent: 6462612 (2002-10-01), Roh et al.
patent: 6847240 (2005-01-01), Zhou
patent: 6894555 (2005-05-01), Liu
Kuijk: A Precision Reference voltage Source; IEEE Journal of Solid-State Circuits, vol. sc-8, No. 3, Jun. 1973; pp. 222-226.
Banba, et al.,Banba, et al. A CMOS Bandgap Reference Circuit with Sub-1-V Operation; IEEE Journal of Solid-State Circuits, vol. 34, No. 5; May 1999/ pp. 670-674.

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