MCU-based multi-channel optical module automatic test device and method
An automatic test device and multi-channel technology, applied in the field of optical modules, can solve the problem that the size of the backlight current cannot truly reflect the optical power, and achieve the effect of reducing production and testing links, improving product quality and good stability.
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[0022] The principles and features of the present invention are described below in conjunction with the accompanying drawings, and the examples given are only used to explain the present invention, and are not intended to limit the scope of the present invention.
[0023] Such as figure 1 As shown, a multi-channel optical module automatic test device based on MCU, including MCU, PC, driver, laser, multi-channel optical power meter, sampling oscilloscope and bit error meter, PC is connected to MCU through USB, PC also Connect to the bit error meter, multi-channel optical power meter and sampling oscilloscope respectively, the bit error meter transmits the differential signal to the driver, the driver serial bus is connected to the AD conversion pin of the MCU, the driver is also connected to the laser, and the light emitted by the laser passes through the lens Couple to an optical fiber to form a launch multichannel, and connect the launch multichannel to a multichannel optical...
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