Trapezoid Waveform

The Trapezoid is an ideal trapezoidal waveform.  One cycle of the waveform is displayed in the upper graph of the Source form.  The waveform has zero amplitude at time zero.  Amplitude increases linearly starting at time zero to its maximum value over the time specified in the Rise Time text box.  Amplitude remains constant for the time specified in the Duration text box then decreases to zero over the time specified in the Fall Time text box.

Peak Amplitude sets the waveform peak amplitude.

 Frequency sets the waveform frequency.

Duty Cycle sets the percentage of time the waveform has amplitude greater than 50% Peak Amplitude.  Changing Duty Cycle changes Duration.

Duration sets the length of time from the end of the rise time to the start of the fall time.  Changing Duration changes Duty Cycle.

Rise Time sets the time from zero amplitude to Peak Amplitude. Rise time is linear.

Fall Time sets the time from Peak Amplitude to zero amplitude.  Fall time is linear.

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Double Exponential