Debugging item: space radiation
Countermeasure analysis and solution description
1. Chnage the place of ferrite bead from MOS tube's middle pin to its S pin.
Contact a ferrite bead in series with the tube foot of the rectifier bridge.
Add a piece of copper foil to DC end.
Radiation testing data after debugging
Testing data in horizontal direction after radiation debugging at 120V:
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Testing data in vertical direction after radiation debugging at 230V:
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Testing data in horizontal direction after radiation debugging at 230V:
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Testing data of zero line after conduction debugging at 230V:
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Testing data of live line after conduction debugging at 230V:
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Testing data of live line after conduction debugging at 120V:
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Testing data of zero line after conduction debugging at 120V: