I could show two FFTs in common plot in LTSpice, how do I do it in QSPICE.
I was refering to the picture i attached. You need to click on waveforms that you want to add. Waveforms that you have added you can see in expression tab.
Best regards
Thanks. I think I figured it out. I first have to add the waveforms to the time domain display THEN i can view them in the FFT. I switching over from LTSpice and things are a little different.
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