Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2007-05-08
2007-05-08
Le, Dinh T. (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S538000
Reexamination Certificate
active
11138946
ABSTRACT:
A system for providing a threshold voltage (VT) includes a VTextractor that extracts the VTfor a MOS transistor relative to a first voltage rail. An inversion circuit inverts the extracted VT(e.g., VT+VIN) relative to a reference voltage that is intermediate the first voltage rail and a second voltage rail and provides an output corresponding to the VT(e.g., VT+VIN) relative to the second voltage rail. The relative voltages at the voltage rails generally will depend on whether the VTis being extracted for a p-channel MOS transistor or an n-channel MOS transistor. The VTcan be employed to generate a ramp voltage across a capacitor formed of another MOS transistor.
REFERENCES:
patent: 5672960 (1997-09-01), Manaresi et al.
patent: 5747978 (1998-05-01), Gariboldi et al.
patent: 5952874 (1999-09-01), Manaresi et al.
patent: 6091286 (2000-07-01), Blauschild
patent: 6633193 (2003-10-01), Halamik et al.
patent: 6806762 (2004-10-01), Stair et al.
patent: 6819154 (2004-11-01), Greenfeld
patent: 6838916 (2005-01-01), Premont et al.
patent: 6844772 (2005-01-01), Hoon et al.
Blauschild, Ronald A., “An Integrated Time Reference”, ISSCC94, Session 3, Analog Techniques, Paper WP 3.5, IEEE, Jul. 1994, pp. 56-57.
Brady W. James
Kempler William B
Le Dinh T.
Telecky , Jr. Frederick J.
Texas Instruments Incorporated
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