Differential transimpedance amplifier circuit for correlated differential amplification
US7403065B1 · kind B1 · utility
9Cited by
11References
18Claims
0Family size
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Key dates
| Filing date | Aug 22, 2006 |
| Grant date | Jul 22, 2008 |
| Priority date | — |
| Expiry date | Sep 19, 2026 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/45514
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A differential transimpedance amplifier circuit for correlated differential amplification. The amplifier circuit increase electronic signal-to-noise ratios in charge detection circuits designed for the detection of very small quantities of electrical charge and/or very weak electromagnetic waves. A differential, integrating capacitive transimpedance amplifier integrated circuit comprising capacitor feedback loops performs time-correlated subtraction of noise.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.