In Pulse Width Modulation (PWM), the width of a pulse waveform is varied
by the instantaneous voltage of the modulating waveform. The width of the
pulse can be expressed either as a pulse width (expressed in time units, like
the period) or a duty cycle (expressed as a percentage of the period).
The 81150A / 81160A will accept modulation from an internal or external
modulation source. In case of internal modulation, the modulation signal can
be the ‘other channel’ (2 channel instrument only) or the internal modulation
source of the modulated channel.
For more information on the fundamentals of Pulse Width Modulation, refer
the Tutorial chapter.
PWM is not available in pattern mode.
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