Invention Grant
- Patent Title: Optical driver with asymmetric pre-emphasis
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Application No.: US15862058Application Date: 2018-01-04
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Publication No.: US10367591B2Publication Date: 2019-07-30
- Inventor: Mayank Raj
- Applicant: Xilinx, Inc.
- Applicant Address: US CA San Jose
- Assignee: XILINX, INC.
- Current Assignee: XILINX, INC.
- Current Assignee Address: US CA San Jose
- Agent William L. Paradice, III
- Main IPC: H04B17/18
- IPC: H04B17/18 ; H04B10/516

Abstract:
An optical driver is disclosed, including a PMOS pull-up circuit, an NMOS pull-down circuit, and an inductive circuit. The PMOS pull-up circuit may include a first terminal to receive a first input signal based on a received data signal, and a P output terminal coupled to the inductive circuit. The NMOS pull-down circuit may include a second input terminal to receive a second input signal based on the received data signal, and an N output terminal coupled to the inductive circuit. The inductive circuit may include an L output terminal to output an output signal, a P coil coupled between the P output terminal and the L output terminal, and an N coil coupled between the N output terminal and the L output terminal. The P coil may be configured to hide a parasitic capacitance associated with the PMOS pull-up circuit during a falling edge transition of the received data signal, and the N coil may be configured to hide a parasitic capacitance associated with the NMOS pull-down circuit during a rising edge transition of the received data signal.
Public/Granted literature
- US20190207687A1 OPTICAL DRIVER WITH ASYMMETRIC PRE-EMPHASIS Public/Granted day:2019-07-04
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