RECEIVER OPTICAL SUB-ASSEMBLY, BI-DIRECTIONAL OPTICAL SUB-ASSEMBLY, OPTICAL MODULE, AND OPTICAL NETWORK DEVICE

RECEIVER OPTICAL SUB-ASSEMBLY, BI-DIRECTIONAL OPTICAL SUB-ASSEMBLY, OPTICAL MODULE, AND OPTICAL NETWORK DEVICE

This application provides example receiver optical sub-assemblies, example bi-directional optical sub-assemblies, and example optical network devices. One example receiver optical sub-assembly includes a photodiode, a trans-impedance amplifier, and a first filter component. The photodiode is configu...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: XIONG, Yu, CAO, Rixiang, WANG, Zelin, YU, Zhe
Format: Patent
Sprache:eng
Schlagworte:
AMPLIFIERS
BASIC ELECTRONIC CIRCUITRY
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Beschreibung
Zusammenfassung:This application provides example receiver optical sub-assemblies, example bi-directional optical sub-assemblies, and example optical network devices. One example receiver optical sub-assembly includes a photodiode, a trans-impedance amplifier, and a first filter component. The photodiode is configured to convert an optical signal into an electrical signal, a positive electrode of the photodiode is connected to an input terminal of the trans-impedance amplifier, and a negative electrode of the photodiode is configured to connect to a power supply. The trans-impedance amplifier is configured to amplify the electrical signal output by the photodiode, where a power terminal of the trans-impedance amplifier is configured to connect to a power supply, and a first ground terminal of the trans-impedance amplifier is configured to connect to an external ground.