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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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