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New MicSig/EEVblog DP10007 HV Differential Probe

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mrprecision:
I have the DP10013 and also the DP10007 probe. I can do some measurements if someone want. Let's discuss what an how I should measure. So we can compare both probes.

mrprecision:
I have tested my Micsig DP1007 probe. In the first test, I have shorten the inputs and looked for the noise (reason why I bought the Probe). Then I had a look with my scope in both settings. The 10:1 works fine, but hte 100:1 has an interference influence. It's from the inside of this device. My other probe Micsig DP10013 works in both settings fine with the same boundary conditions.



Has anybody the same problem?

ExaLab:
Probably, the DP10007 uses a different HW approach regarding its internal power supplies (with respect te previous models).
In this new model, the positive supply (5Vdc) must be raised up to about 10Vdc and this additional step-up circuit could cause the interference you observe.

The different philosophy of the internal supply voltages would also seem confirmed by the higher power consumption declared by the manufacturer for this new version.

beanflying:
Subbing in. I got a DP10013 a while ago and can run it up against Valhalla AC Calibrator (I have been meaning to for a while) over a range in the next few days. Also interested in the guts of the 10007 for a comparison.

Kibabalu:

--- Quote from: mrprecision on February 12, 2021, 03:59:29 pm ---I have tested my Micsig DP1007 probe. In the first test, I have shorten the inputs and looked for the noise (reason why I bought the Probe). Then I had a look with my scope in both settings. The 10:1 works fine, but hte 100:1 has an interference influence. It's from the inside of this device. My other probe Micsig DP10013 works in both settings fine with the same boundary conditions.



Has anybody the same problem?

--- End quote ---

don't see this issue with my DP10007.

How do you supply your probe?

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