| Electronics > Beginners |
| Stepping the amplitude of a two sources for transient analyses in LTspice |
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| ocset:
Hi, I have a mains sinusoidal voltage source in LTspice, and a DC voltage source. I want to step them... AC 254 264 274 DC 1 2 3 ...ie so it does AC=254 and DC = 1V AC=264 and DC = 2V AC=274 and DC = 3V |
| Jay_Diddy_B:
Hi, There are several ways to do this. The simulation runs multiple times with a different amplitude each run. If you want the amplitude to change during a single simulation you can use a multiplier like this: The result is: Note: I used amplitudes of 150, 200 and 250V to make the results more visible. I have attached the model. Regards, Jay_Diddy_B |
| ocset:
Thanks Jay_Diddy__B Thats great things there. Sorry i just adjusted it (the initial question of my top post) to involve the DC source being stepped at the same time, because i put it in and realised the DC needs to step in tandem. |
| Jay_Diddy_B:
Treez, are you looking for 254 and 1V 264 and 2V 274V and 3V or all nine combinations? Jay_Diddy_B |
| ocset:
Just the three you have there. |
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