De-emphasis with separate edge control
US10270217B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Aug 25, 2017 |
| Grant date | Apr 23, 2019 |
| Priority date | — |
| Expiry date | Aug 25, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03C2200/0016
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.