Differential transimpedance amplifier
US5606288A · kind A · utility
10Cited by
5References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 8, 1995 |
| Grant date | Feb 25, 1997 |
| Priority date | — |
| Expiry date | Aug 8, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F3/45479
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A circuit and method for reducing the output impedance and the common mode gain in a differential transimpedance amplifier sets the input impedance for the differential transimpedance amplifier, giving it one value for differential inputs and another value for common mode inputs. The circuit and method sets the effective input impedance for the amplifier equal to the negative of amplifier's feedback resistor impedance for differential inputs, and to low, positive value for common mode inputs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.