Circuit for reducing current mirror mismatch due to gate...

Details Circuit for reducing current mirror mismatch due to gate... Circuit for reducing current mirror mismatch due to gate...

2006-02-07

2006-02-07

Nguyen, Khanh V. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

C330S277000

Reexamination Certificate

active

06995612

ABSTRACT:
A current mirror that compensates for the effects of gate current leakage related to quantum mechanical tunneling of electrons. An embodiment of the current mirror of the present invention comprises a first reference current leg, first and second current mirror legs and a load leg. Current compensation devices are operable to provide current compensation components to offset the effects of gate current leakage. In one embodiment of the invention the current compensation components comprise P-type CMOS transistors.

REFERENCES:
patent: 4835487 (1989-05-01), Doyle et al.
patent: 5124632 (1992-06-01), Greaves
patent: 6107883 (2000-08-01), Xu
patent: 6714080 (2004-03-01), Burns

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