electromagnetic isolation

  1. L

    Electromagnetic interference issues of PCB

    Hey,guys!Today I find an annoying phenomenent of my PCB borad. A Chip,LT8316, and some components on the front of the PCB borad.A LED on the back.And chip controls the On-off of a NMOS to control the power supplied to LED.When I tested the borad alone,the LED almost brighted perfectly.But when I...
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