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How to Judge Whether IC is Working Correctly in Electronic Circuit or Not

How to judge accurately whether the IC in the circuit is working or not , good or bad, is an important content of repairing TV, audio and video equipment. If the judgment is not accurate, we often have to spend great efforts replacing the new integrated circui...

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    Warm hint: The word in this article is about 1500 words and reading time is about 5 minutesCatalogues1. Which components are your power wasters?2.4 Switch transistor turn-on/off processes-forward output power supply3.2 Magnetic hystersis loop of unipolar switch mode power supply transformer core2. Switch transistor loss2.5 Effect of switching time on switching loss2.1 Equivalent circuit of switch ...

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    Jun 5,2018