Variable capacitor: Performance of the two models - note that the “linear” model fails if voltage on capacitor exceeds the Vmax parameter (arrow); decreasing current through the capacitors indicate their decreasing values with increased DC voltage (the AC component is the same, so for a fixed capacitor the AC component in the current would also be the same).
 This data was generated with the LTspice software created by Mike Engelhardt. |
ltspice_variable_capacitor_2.png
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