De-emphasis with separate edge control

Abstract

A driver system with emphasis or de-emphasis control of optic signal generator comprising an input configured to receive an input signal that is to be transmitted as an optic signal. Also part of this system is a rising edge delay creating a first delay signal relative to the input signal and a falling edge delay creating a second delay signal relative to the input signal. A multiplexer receives the first delay signal and the second delay signal and selectively outputs either the first delay signal and the second delay signal to an amplifier. A first amplifier amplifies the input signal to create an amplified input and a second amplifier amplifies the multiplexer output signal to create a de-emphasis signal. A summing junction subtracts the de-emphasis signal from the amplified input to create a driver output signal. The rising and falling edge delays may each comprise two more delays.