Differential CMOS current amplifier with controlled bandwidth and common mode distortion
US5629641A · kind A · utility
13Cited by
8References
30Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 6, 1996 |
| Grant date | May 13, 1997 |
| Priority date | — |
| Expiry date | Feb 6, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L25/0282
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A differential current amplifier operating at a low power while maintaining high linearity includes a bridge arrangement of current mirrors connected to each input node of the amplifier, and a common mode feedback circuit. Opposite legs of the bridge are controlled commonly, but complementary to the other legs. An integrated resistor network of the current amplifier balances delay of the output current and controls amplifier bandwidth.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.