Regulated cascode current source with wide output swing

Details Regulated cascode current source with wide output swing Regulated cascode current source with wide output swing

2005-06-07

2005-06-07

Tan, Vibol (Department: 2819)

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

C327S530000, C327S362000

Reexamination Certificate

active

06903539

ABSTRACT:
System for a current source with enhanced output impedance. A preferred embodiment comprises a cascode current source arranged in a current mirror configuration (such as current source600) with a pair of level shifters arranged in a source-follower configuration (such as level shifters505and510). The level shifters reduce the compliance voltage of the current source, permitting use in low voltage applications.

REFERENCES:
patent: 4583037 (1986-04-01), Sooch
patent: 5892356 (1999-04-01), Chuang
patent: 5959446 (1999-09-01), Kuckreja
patent: 6556070 (2003-04-01), Paulus

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