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Symmetry can be set in the range of 0% to 100%.The default value is 50%.
Press [Wave] >Rampsoftkey to select the rampwave function and press Symmetrysoftkey to
highlight it.At this point, use the numeric keypad to input the value and select the unit "%" from the
unit menu that pops up, or use the direction keys and the knob to modify the current value.For the
input method of symmetry value, refer to the introduction in "
Parameter Setting Method".
2.2.8 Set the Pulse Parameters
To output a pulse, users need to set the "Width/Duty", "Leading" and "Trailing", in addition to the
basic parameters (such as the frequency, amplitude, DC offset voltage, high level, low level and
align phase) introduced above.
Pulse width/duty cycle
Pulse width is defined as the time from the 50% threshold of a rising edge amplitude to the 50%
threshold of the next falling edge amplitude as shown in the figure above.
The settable range of the pulse width is limited by the "Minimum Pulse Width" and the "Pulse
Period" (for the ranges of the "Minimum Pulse Width" and "Pulse Period", please refer to "Signal
Characteristics" in "
Specifications"). The default value is 100μs.
1. Pulse Width Minimum P uls e Width
2.Pulse Width P uls e P e riod - Minimum Pulse Width
Pulse duty cycle is defined as the percentage that the pulse width takes up in the whole pulse
User Manual 20
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