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high frequency triangle signal

Submitted by akowal on Sat, 05/12/2012 - 00:57

When I try and generate a triangle waveform with a frequency above 200 Hz all I get is a constant value, 0, is it not possible to generate high frequency triangle pulses or is this just a bug in the software? I'm using the latest version of VisSim ecd.

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Submitted by Anders89 on Sat, 05/12/2012 - 01:19.

What is your sampling rate? It would have to be above 400 Hz to get anything approaching a triangle wave. What are you doing with the wave? Modulating a PWM? Please attach your diagram so we can comment further.

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Submitted by akowal on Sat, 05/12/2012 - 01:33.

Thank you, I completely forgot about changing the sampling rate.

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Submitted by pete on Sat, 05/12/2012 - 02:21.

Remember your Nyquist.