Voltage comparator hysteresis control circuit
US4384219A · kind A · utility
15Cited by
3References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1980 |
| Grant date | May 17, 1983 |
| Priority date | — |
| Expiry date | Dec 29, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/02337
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A voltage comparator includes a hysteresis control circuit which utilizes a level threshold device. The comparator has a first input coupled to an unknown voltage and a second input coupled to a threshold voltage. The hysteresis control circuit includes means for generating a hysteresis current which is caused to flow through a hysteresis resistor coupled to the second input when the threshold voltage exceeds the threshold of the level threshold device and the unknown voltage is greater than the voltage on the second input of the comparator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.