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US 2009/0021306 A1Published application
Integrated circuit system for line regulation of an amplifier
AssigneeMicrel, Inc.
InventorsMatthew Weng, Charles Vinn
Life of this patent
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Abstract
An integrated circuit system is provided including forming a differential pair; reducing a mismatch in the differential pair by: coupling an amplifier to the differential pair; and coupling a local feedback network to the amplifier in which referencing the local feedback network includes coupling a first voltage; and driving an output transistor by the amplifier.
Claims20
An integrated circuit system comprising:
- forming a differential pair;
- reducing a mismatch in the differential pair by:
- coupling an amplifier to the differential pair;
- and
- coupling a local feedback network to the amplifier in which referencing the local feedback network includes coupling a first voltage;
- and
- driving an output transistor by the amplifier.
4 more elements
An integrated circuit system comprising:
- forming a differential pair on a semiconductor substrate;
- reducing a mismatch in the differential pair by:
- coupling an amplifier to the differential pair includes coupling a negative input of the amplifier;
- and
- coupling a local feedback network to the amplifier in which referencing the local feedback network includes coupling a first voltage and coupling the local feedback network to a positive input of the amplifier;
- and
- driving an output transistor by the amplifier.
4 more elements
An integrated circuit system comprising:
- a differential pair;
- an amplifier, for reducing mismatch in the differential pair, coupled to the differential pair;
- a local feedback network coupled to the amplifier in which the local feedback network is referenced to a first voltage;
- and
- an output transistor driven by the amplifier.
2 more elements
Dependencies are inferred from the claim text.