Bias current compensation device and method

Details Bias current compensation device and method Bias current compensation device and method

2007-10-31

2010-06-08

Donovan, Lincoln (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Specific identifiable device, circuit, or system

With specific source of supply or bias voltage

C327S538000, C323S314000

Reexamination Certificate

active

07733163

ABSTRACT:
A compensation device that can include a bias-able device, a bias circuit that provides the bias-able device with a bias current, a signal conditioner selectively coupled to the bias-able device, and an emulator. The signal conditioner and emulator can divert current from the bias-able device in an operational and calibration mode, respectively. In calibration mode, the emulator generates a compensation current that is combined with a sense current so that the sense current equals the bias current.

REFERENCES:
patent: 6294947 (2001-09-01), Gabara
patent: 6351110 (2002-02-01), Pappalardo et al.
patent: 7427873 (2008-09-01), Bingel et al.
patent: 7511563 (2009-03-01), Botker et al.

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