High-speed light transceiving engine circuit board

The invention relates to a high-speed light transmitting and receiving engine circuit board, which comprises a flexible PCB (Printed Circuit Board) and a high-speed light transmitting and receiving engine arranged on the flexible PCB, the high-speed light transmitting-receiving engine comprises a multi-channel silicon light transmitting chip, a multi-channel trans-impedance amplifier, a high-power distributed feedback laser, a photodiode array, a transmitting optical fiber, a receiving optical fiber, two groups of optocoupler assemblies, a power supply chip, a single-chip microcomputer and a power supply. According to the high-speed optical transceiver engine circuit board, the high-speed silicon optical transceiver engine is integrated on the flexible PCB, a signal processing chip of a traditional optical module is omitted, and only a multi-channel photoelectric conversion chip (a multi-channel trans-impedance amplifier) and a multi-channel electro-optical conversion chip (a multi-channel silicon optical emi