Power Supply

Does the Power Supply use a Step-Down Converter?

Question: Will the power supply work in Sweden?  If it is plugged into a socket that is 230 volts as is used in Sweden [and Europe], there is no need to use a step-down converter?     Does the power supply simply work with a different level already?   Even on electric shavers and such, you have […]

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Multimeter vs Oscilloscope — power question

Question: I know I have a 17v machine, but that’s not what I see when I test the voltage with my Multimeter. Any thoughts? I used to feel it when I put my tongue to the lead, I still do but not as much. Answer: Lower frequencies tend to have a punchier buzz than the

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Sparking or a Crackling Sound?

A sparking power adapter usually is the “Crackling sound” you hear when you put the 3 pin power plug into the adapter.  Now if the 3 pin cable has a loose connection inside the pin, then the contact is not perfect and the resulting “Crackiling noise” is the connection going on and off.  This usually

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