Integrated amplifier devices and methods of use thereof
AssigneeIntrinsix Corporation
InventorDaniel J. Segarra
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Abstract
An integrated amplifier device includes a main amplifier configured to be coupled to an input source. A replica amplifier is coupled to the main amplifier to provide a bias to the main amplifier. A transconductance biasing cell to the main amplifier and the replica amplifier. The transconductance biasing cell is configured to bias both the main amplifier and the replica amplifier. A method of making an integrated amplifier device is also disclosed.
Claims16
An integrated amplifier device comprising:
- a main amplifier configured to be coupled to an input source;
- a replica amplifier coupled to the main amplifier to provide a bias to the main amplifier;
- a transconductance biasing cell coupled to the main amplifier and the replica amplifier, wherein the transconductance biasing cell is configured to bias both the main amplifier and the replica amplifier;
- and
- a differential voltage source coupled to the replica amplifier to provide a differential voltage and a differential current source coupled to the replica amplifier to provide a differential current.
The integrated amplifier device of 1, wherein the bias provided by the replica amplifier to the main amplifier is based on the differential voltage and the differential current.
A method of making an integrated amplifier device, the method comprising:
- providing a main amplifier configured to be coupled to an input source;
- coupling a replica amplifier to the main amplifier to provide a bias to the main amplifier;
- coupling a transconductance biasing cell to the main amplifier and the replica amplifier, wherein the transconductance biasing cell is configured to bias both the main amplifier and the replica amplifier;
- coupling a differential voltage source to the replica amplifier to provide a differential voltage;
- and
- coupling a differential current source coupled to the replica amplifier to provide a differential current.
Dependencies are inferred from the claim text.