source:Other information release time:2023-03-27 Hits: Popular:PCB Assembly company
1. The effect of the static electric field before static discharge
2. The charge injection effect generated by discharge
3. The field effect generated by electrostatic discharge current
However, it mainly affects the third effect. The following discussion will give the design guide to the questions described in Article 3.
Generally, the field coupling between the receiving circuit can be reduced through one of the following methods:
1. Use a filter at the source to attenuation signals
2. Use a filter at the receiving end to attenuate signals
3. Increase distance to reduce coupling
4. Reduce the antenna effect of the source and/or receiving circuit to reduce coupling
5. Place the receiving antenna and the launch antenna vertically to reduce coupling
6. Shielding between receiving antennas and launch antennas
7. Reduce the impedance of the launch and receiving antenna to reduce the coupling of the electric field
8. Increase the impedance of one of the launch or receiving antenna to reduce the magnetic field coupling
9. Use consistent, low impedance reference planes (as provided by multi -layer PCB design) coupling signals to keep them in common mode
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