Voltage responsive switch with input voltage surge protection
US4310867A · kind A · utility
2Cited by
4References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 1980 |
| Grant date | Jan 12, 1982 |
| Priority date | — |
| Expiry date | Sep 29, 2000 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K17/16
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A high gain voltage responsive current source supplies emitter current to a lateral input PNP transistor in a monolithic integrated circuit voltage responsive switch and, in conjunction with an impedance between the voltage signal input terminal and base region of the input PNP transistor, protects the voltage responsive switch from negative voltage transients at the signal input terminal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.