High ratio current mirror with enhanced power supply rejection ratio
US5485074A · kind A · utility
15Cited by
6References
42Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 26, 1993 |
| Grant date | Jan 16, 1996 |
| Priority date | — |
| Expiry date | Aug 26, 2013 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/26
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
The PSRR (power supply rejection ratio) of a current mirror circuit is increased by cascoding the output transistor of the current mirror, and the precision of the circuit is enhanced by employing a frequency compensated gain stage utilizing a field effect transistor to drive a bipolar current output transistor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.