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This paper introduces the matters needing attention in wirin

作者:admin时间:2019-03-18 17:11浏览:

  When the Marine hoisting motor is wired, do not construct any motor control circuit on the sample board which is wound or inserted. The use of high frequency printed circuit wiring is very important to prevent pulse jitter. Usually due to excessive noise at the input end of the current detection sensor or error signal amplifier. Therefore, the printed circuit layout should have a ground with a low current signal and a high drive output buffer and should be returned to the power supply input filter capacitance through separate paths. Depending on the circuit layout, whether a porcelain dielectric capacitance (0.01 F) is required near the integrated circuit at the same input of the VCC, Vref, and error amplifier. However, all large current loops should be as short as possible and thick copper wire should be used as far as possible to reduce EMI radiation.

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