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  • Improvement Scheme of Grating Displacement Sensor Circuit

    For the grating sensor, the SE2470-002 and SD2440-0044 pairs of tubes are selected, which increases the transmission power and improves the matching of the transmission and reception peak wavelengths than the SE2460-003 and SD2440-004 pairs of tubes. In addition, in the photoelectric signal processing, the phase difference 180 is used. The two signals are compared with each other as a reference. Since the DC components of the two signals change in the same amount, the uniformity of the square wave width can be ensured.


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