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LTSpice pulse options

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pwlps:

--- Quote from: Simon on May 14, 2019, 03:09:30 pm ---So I assume the period of time i analyse should correspond to the signal period so that when it wraps it's a carrect signal.

--- End quote ---

Or even to many signal periods, depending on the frequency resolution you need.  To examine the harmonic content of a signal one period will be sufficient but if you want to measure the phase noise of your signal then you need many periods (although I suppose there won't often be any phase noise in simulations, maybe except when you want to simulate a PLL capturing dynamics).

Simon:
I'm just looking at RC filtered waveforms and square waves with various rise/fall times.

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