Method and apparatus for parallel in serial out transmission
US5959601A · kind A · utility
6Cited by
3References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1997 |
| Grant date | Sep 28, 1999 |
| Priority date | — |
| Expiry date | Mar 18, 2017 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/018521
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A method and apparatus for providing serial transmission of a parallel input is accomplished by a parallel input serial output transmitter that includes a shift register operably coupled to receive a parallel input and to provide data serially to a gating circuit. The gating circuit, based on the state of the data it receives, generates a drive signal which causes a switching circuit to route current from a first current source to a second current source over different paths to produce a serial output. A bias circuit is coupled to the switching circuit to bias the serial output to a desired level.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.