PCB filter circuit used for micro-motor multipoint grounding broadband EMC

PCB filter circuit used for micro-motor multipoint grounding broadband EMC

  • CN 203,423,588 U
  • Filed: 08/30/2013
  • Issued: 02/05/2014
  • Est. Priority Date: 08/30/2013
  • Status: Active Grant
First Claim
Patent Images

1. the pcb board filter circuit for electrical micro-machine multipoint earthing wideband EMC, this pcb board filter circuit comprises the positive and negative input being connected with power supply and the positive and negative output being connected with electrical micro-machine, it is characterized in that, this pcb board filter circuit also comprises the first filter capacitor C1 that suppresses differential mode electromagnetic interference signal and the filter unit that suppresses common mode electromagnetic interference signal;

  • This first filter capacitor C1 and filter unit are parallel between this positive and negative input and positive and negative output successively.

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