スイッチング電源のノイズ What is FG (frame ground)？
Switching power supply has an FG (frame ground) terminal. The symbol is also different for FG and ground.
I think that many people think that it ...
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スイッチング電源のノイズ 
スイッチング電源とは [Explanation] What is a switching power supply? You can easily understand the switching power supply!
You can understand the basics of switching power supplies without circuit explanation! We will introduce the history and types of switching power supplies, shapes, outputs, load factors, lifespans, electronic components mounted on power supplies, and devices that use switching power supplies with manga pictures. Please have a look!
スイッチング電源の使い方 What are “L” and “N” of the input terminal of the switching power supply?
Looking at the input terminal of the switching power supply, it says "L" and "N" instead of "AC". What does that mean? If you haven't been par...
スイッチング電源とは “Four basic specifications” that are important when choosing a switching power supply
For those who want to know the basic specifications of switching power supplies
"I want to know what specifications are required when choosing ...
スイッチング電源とは No way! The LED is damaged! What should never be done with a constant current power supply
Most switching power supplies are constant voltage power supplies, so you do not need to be careful when connecting to a load, but you may need to...