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Micsig Current Probe CP2100A/B Tests and Comparing

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bicycleguy:
Here's a B
It doesn't look a whole lot better.

--- Code: ---HZ,current(RMS)ma
          1 turn,    5 turns
50000,50,50
100000,48.6,48.7
200000,47.6
300000,48.1
400000,49.1
500000,49.6
600000,49.8
700000,48.8
800000,48.7,51.5
900000,48
1000000,47,50.2
1300000,44,52.2
2000000,37.7,42.6
2300000,35.6,40.9
2500000,34.6,40
3000000,33,38.2
3500000,31.9,37.0
4000000,33,38.4
4500000,31.2,38.4
5000000,23.5,31.7
6000000,10.7,13.1


--- End code ---
Perhaps you can plot it with yours to compare.  I only used a single pass through probe.  Have redone some with 5 turns and it looks better.  Don't understand why it would matter as I rebased 50ma @ 50kHz,

Martin72:
I´ve used the bodeplot function of my scope:

https://www.eevblog.com/forum/testgear/micsig-current-probe-cp2100b-tests-and-comparing/msg3072460/#msg3072460

(B-Model)

Algasman:

--- Quote from: bicycleguy on October 23, 2020, 07:50:17 pm ---Here's a B
It doesn't look a whole lot better.
# removed data #
Perhaps you can plot it with yours to compare.  I only used a single pass through probe.

--- End quote ---

Here’s the tough comparison:

The same shape and even the dent at around 4 MHz, only slightly better in the 100 to 600kHz range.

Martin72:
And now, what are the conclusions ?

Please show your test setup, especially which resistor you´ve used for.

bicycleguy:
Redid some data with 5 turns. See edit above.  Maybe should toss the 1 turn for consistency.  Edit maybe shouldn't compare spec to 5 tun.

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