Generating a trigger from a differential signal
US7868664B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 16, 2009 |
| Grant date | Jan 11, 2011 |
| Priority date | — |
| Expiry date | Feb 16, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K5/00
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A trigger circuit generates a trigger signal when a differential input signal crosses a differential threshold voltage level. A first side of the differential input signal is applied to a first terminal of a first load termination resistor. A second side of the differential signal is applied to a first terminal of a second load termination resistor. A first side of the differential threshold voltage level is applied to a second terminal of the first load termination resistor. A second side of the differential threshold voltage level is applied to a second terminal of the second load termination resistor. A comparator generates the trigger signal when a voltage level at the first terminal of the first resistor exceeds a voltage level at the first terminal of the second resistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.