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The frequency and duty cycle of the VDS waveform of VIPER267K are constantly jittering.

Eejoo
Associate

‎2025-08-30 2:21 AM

When measuring my VIPER267K flyback power supply, I noticed that the frequency and duty cycle of its VDS waveform kept jittering. Is this normal? What could be causing this? VDS2.jpgVDS1.jpg

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AScha.3
Super User

‎2025-08-30 5:57 AM

Take a look at the ds :

AScha3_0-1756558599087.png

So check: is it in the range of the built-in jitter ? Then its working as it should.

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