Oscilloscope Probes: What You Need to Know

Oscilloscope probes are used with virtually every scope. They enable the signal on the circuit being tested to be connected to the scope so that the signals can be measured easily and accurately.
This video provides essential details about the different types of scope probe and how they can be used.

The most common type of probe is the voltage probe. There are two main types the x1 probe which gives better sensitivity but loads the circuit more and the x10 which has a lower sensitivity and loads the circuit less. When using a x10 scope probe it is necessary to compensate the probe to the scope to ensure the right waveform is seen.

There are also active scope probes which include an amplifier in the probe tip to provide the least loading and the best signal.
It is also possible to use current probes. These scope probes clip around a wire carrying current and enable the current waveform to be monitored.

There are many different aspects to scope probes, type, bandwidth, earthing and many more. It is essential to select the right oscilloscope probe as the scope performance will only be as good as the probe. Using the right oscilloscope probe will ensure the optimum readings are taken and the performance of the whole oscilloscope is maximised.

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