Method and apparatus for a tunable driver circuit

摘要

A driver circuit having an adjustable output signal includes a logic circuit configured to receive an input signal into a first input terminal and an output circuit coupled to the logic circuit, wherein the output circuit is configured to generate, at an output terminal of the output circuit, an output signal having a signal level that changes in response to a signal level of the input signal. The driver circuit further includes a feedback circuit coupled to a second input terminal of the logic circuit. The feedback circuit includes first and second gate terminals coupled to the output terminal and a third gate terminal coupled to a control signal supply, wherein the feedback circuit is configured to control a maximum level of the output signal from the driver circuit based on an operating threshold of the feedback circuit as set by a control signal generated by the control signal supply.

主权项

1. A method for controlling an output signal for a driver circuit, the method comprising:
receiving, into a driver circuit, an input signal; generating, by the driver circuit, an output signal having a signal level that changes in response to a signal level of the input signal; receiving the output signal into first and second gate terminals of a feedback circuit for the driver circuit; receiving a control signal into a third gate terminal of the feedback circuit, wherein the control signal sets an operating threshold of the feedback circuit in order to control a maximum level of the output signal from the driver circuit, wherein the maximum level of the output signal is adjustable based on a value of the control signal.