Electronics > Beginners
Stepping the amplitude of a two sources for transient analyses in LTspice
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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