What is a Passive probe?

A passive probe is a device attached to the input terminal of an oscilloscope to facilitate the measurement of electrical signals with the oscilloscope. Also called a passive probe. It is a device that is often installed as an accessory when you purchase an oscilloscope. There are many inexpensive products among probes, making it the most widely used probe. Many passive probes are set to an internal resistance that is 9 times the input resistance of the oscilloscope, and when receiving the input signal through the passive probe, the input voltage is reduced to 1/10, and it also has a function to protect the circuitry inside the oscilloscope. I have.

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