| 摘要 |
According to one embodiment, a light receiving circuit having a trans-impedance amplifier and an output circuit is provided. The trans-impedance amplifier includes a photodiode, a feedback resistor and a first transistor having a channel of a first conductive type. The photodiode converts an optical signal into an electrical signal. Ends of the feedback resistor are connected respectively to the photodiode and a node. A gate of the first transistor receives the electrical signal from the photodiode. A signal corresponding to a signal from a drain of the first transistor is output to the node. The output circuit includes a second transistor having a channel of the first conductive type, and generates an output signal from a drain of the second transistor. A gate of the second transistor is connected to the node. |
