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Frequently Asked Questions

 

Hardware related

Can I use my 1:10 or 1:100 probe on a Handyscope HS4 DIFF?

Q

I want to increase the input range of my Handyscope HS4 DIFF. Can I use a 1:10 or 1:100 attenuating oscilloscope probe to achieve that?

A

No, that is not possible. Normal single-ended probes cannot be used, with the exception of 1:1 probes.

The inputs of a Handyscope HS4 DIFF are differential. That means that the input is not referenced to ground.

To have a differential attenuation, both sides of the signal path need to be attenuated.

A standard attenuating oscilloscope probe is single ended, meaning that it is referenced to ground. There's only one resistor inside such a probe, in one side of the signal path.

Using a standard probe on the differential input will create measurement errors.

More information on using attenuators on a differential input can be found in the classroom section.

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