Voltage-mode SerDes with self-calibration
US9843324B1 · kind B1 · utility
7Cited by
12References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 2016 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Nov 10, 2036 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/028
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A voltage-mode transmitter includes a calibration circuit having a replica circuit. By adjusting a feedback voltage driving a gate of a replica transistor in the replica circuit so that an impedance of the replica circuit matches an impedance of a variable resistor, the calibration circuit calibrates an output impedance of a single slice driver.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.