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simulating node capacitance charging

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Hello , i am trying to build an RF frequency D FlipFlop as shown bellow.

On the node Q signed by blue arrow i get a very abnormal charge and discharge behavior.

On the first TG opening Q charges half the way. When TG closes, it charge Q till the end although its not suppose to charge at all at this step(closed TG) ,as shown  in the last plot bellow.

Is there a way to see  how much capacitance we have on node Q when TG opens?

Thanks.




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