Power supply noise solutions for high frequency pcb design

For high-frequency PCB board,the common interference is power supply noise.Through systematic analysis of power supply noise characteristics and causes inhigh-frequency PCB board,combined with engineering applications,combined with engineering application,we think of some very effective and simple solution ways.
Power supply noise analysis:the power supply noise is generated  by itself or interference induction.Its interference in the following aspects:
1:Distributed noises caused by power supply impedance.
2:The common mode field  interference
3:Differential mode field interference
4:Interference between lines
5:Power line coupling
Measures to eliminate power supply noise interference:
1:Note the hole on board.
2:Cnnecting line needs sufficient erdung
3:Place power supply noise filter
4:Power Isolation Transformer
5:Power Regulator
6:Wiring
7:Separate analog and digital power supply
8:Avoid power overlap between different layers
9:Isolation sensitive element
10:Place power line

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