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LCR Impedance Viewer for Picoscope+Keysight+R&S Bode Plot Data (open source)
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_Wim_:
Can you post some screenshots of the result you get and the setup you are using while measuring?
Cykeltur:
sure! :-)

The ReferenceResistor: 121  \$\Omega\$

The RCL is the following components in series:
R: 1.2k  \$\Omega\$ (1190  \$\Omega\$)
C: 183 K (so probably 18000 pF  ± 10%
L: 3300uH (3,3mH) (3300uH±10%)
should result in :Resonance at 20650Hz (Qfactor : 0,36)
Using a simple RCL calc, like this one:
https://www.omnicalculator.com/physics/rlc-circuit

 |O
egonotto:
Hello,

I think you have connected the oscilloscope incorrectly (wrong.png). Connect the oscilloscope to your circuit according to the green text in better.png.

Best regards
egonotto
Cykeltur:
hi thanks!, i get the exact same result (the second plot is overlaying the old one) :-//

(the photo is the same board so that is not included in the photo..)
_Wim_:

--- Quote from: Cykeltur on April 23, 2024, 03:18:40 pm ---hi thanks!, i get the exact same result (the second plot is overlaying the old one) :-//

(the photo is the same board so that is not included in the photo..)

--- End quote ---

The DUT is the RCL, not only the R. So your red probe must be between the ref-resistor and the L.
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