Cascode current mirror with increased output voltage swing
US5835994A · kind A · utility
25Cited by
5References
10Claims
0Family size
Inventor
Key dates
| Filing date | Jun 30, 1994 |
| Grant date | Nov 10, 1998 |
| Priority date | — |
| Expiry date | Jun 30, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05F3/262
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A current mirror employs a voltage drop means in the input current path to set the voltage difference between the gates of the mirror driving FET and the mirror cascode FET. In cases where the voltage difference is chosen to be less than the voltage drop across a diode-connected FET, the current mirror will permit an increased output voltage swing relative to that permitted by a prior art cascode current mirror.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.