Locally calibrated current source

Details Locally calibrated current source Locally calibrated current source

2011-03-29

2011-03-29

Zweizig, Jeffrey S (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

07915951

ABSTRACT:
A microchip that can calibrate a plurality of circuits on the microchip with a current reference includes: at least a first circuit disposed on the microchip; at least a first local bias generation circuit, for generating a bias current that is input to the first circuit; an external current reference, coupled to the first local bias generation circuit, for updating the bias current; and a calibration logic, coupled to the first local bias generation circuit, for enabling the external current reference to update the bias current according to a valid calibration signal.

REFERENCES:
patent: 7307470 (2007-12-01), Hasegawa
patent: 7466166 (2008-12-01), Date et al.
patent: 7514989 (2009-04-01), Somerville et al.
patent: 7675317 (2010-03-01), Perisetty

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