Patent ID: 8319561

Claim:
A method comprising: providing an amplifier as part of an integrated circuit, comprising: providing a first transistor over a substrate, the first transistor comprising: a first terminal, a second terminal, and a control terminal to control a channel of the first transistor between the first and second terminals of the first transistor; and providing a second transistor over the substrate, the second transistor comprising: a first terminal, a second terminal, and a control terminal to control a channel of the second transistor between the first and second terminals of the second transistor; wherein one of the first transistor or the second transistor comprises a target transistor; coupling the first terminal of the second transistor and the second terminal of the first transistor together at an output node of the amplifier; altering a threshold voltage of the target transistor from an initial threshold voltage value to a target threshold voltage value; and coupling together the control terminal of the first transistor and the second terminal of the first transistor.