Current source apparatus with bias switches

Details Current source apparatus with bias switches Current source apparatus with bias switches

1997-12-09

1999-08-31

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

327383, 327103, 327427, 341136, H03K 522

Patent

active

059458518

ABSTRACT:
A current source apparatus with bias switches, applied in digital-to-analog converters, is disclosed. The current compliance and settling time performances can be promoted via improving the structure of the bias circuit and making the MOS transistors operate in the saturation region, without increasing the dimensions of the MOS transistors.

REFERENCES:
patent: 5008671 (1991-04-01), Tuthill
patent: 5148164 (1992-09-01), Nakamura et al.
patent: 5331322 (1994-07-01), Cha et al.
patent: 5442352 (1995-08-01), Jackson
patent: 5689258 (1997-11-01), Nakamura et al.
patent: 5798723 (1998-08-01), Fong

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