Transimpedance amplifier and receiver circuit for optical signals with a photodiode and a transimpedance amplifier
US11881824B2 · kind B2 · utility
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4References
13Claims
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Key dates
| Filing date | Nov 20, 2019 |
| Grant date | Jan 23, 2024 |
| Priority date | — |
| Expiry date | Nov 13, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/033
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A transimpedance amplifier may include a voltage-controlled operational amplifier having a non-inverting input connected to ground, an inverting input receiving a current signal to be amplified, an output coupled to the inverting input via a coupling resistor, and a power-down input (PWDN input) activated upon receipt of at least one power-down signal (PWDN) such that at least one internal current source is thereupon deactivated.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.