Community Feedback, Suggestions, and Questions Transient response of moscap

Transient response of moscap

Hello,

am currently working on a design of  PSK backscaterring modulator block for Passive RFID Transponder .  Currently  , I am designing based on the paper titled  "An ultra low-voltage low power PSK backscatter

modulator for passive UHF RFID tags compatible with C1 G2 EPC standard protocol ". Maryam Gharaei Jomehei • Samad Sheikhaei  in Analog Integrated Circuits and Signal Processing · September 2013

I should measure the variation of capacitance of moscap.  I have simulated the CV characteristics, however what  I require is the transient response of the change in capcaitance of moscap , similar to the attachment included below.

I would like to know if there is a method to do the same.

Any suggestions would be grateful.

Thank You,

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