Low voltage comparator circuit
US4749955A · kind A · utility
11Cited by
2References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 29, 1986 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Dec 29, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/45674
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A low voltage comparator circuit including a differential amplifier circuit, a double-ended to single-ended conversion circuit, and an inverting amplifier circuit is disclosed. The differential amplifier circuit consists of two identical current paths, each having one upper and one lower MOSFET device connected together in series between supply voltage and ground. Each of two input voltages is applied directly to the gate of the upper MOSFET device in one current path and is also coupled, after being inverted, to the gate of the lower MOSFET device in the opposite current path, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.