Delta MS250 Instrukcja Operatora Pobierz pdf (Strona 27)

MS-250 Mixed Signal Oscilloscope Option

Width Trigger

Width triggers upon finding a positive- or negative-going pulse width when measured at the

specified voltage level.

On the Trigger dialog, select Width trigger type to display the controls.

1. Choose the Source input line.

2. Choose the line Polarity on which to trigger.

3. Choose the Logic Family that marks the High-Low logic threshold. To enter a custom

threshold, choose Logic Family User Defined and enter the voltage Level.

NOTE: The Logic Family will default to any Logic Setup associated with that line in a

previous digital group setup.

4. Use Width Condition is settings to create an expression describing the triggering pulse

width. This may be:

l Any width Less Than an Upper Value.

l Any width Greater Than a Lower Value.

l Any width In Range or Out Range of values. You may describe the range using

either:

l Limits, an absolute Upper Value and Lower Value.

l Delta, any Nominal width plus or minus a Delta width.

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Delta MS250 Instrukcja Operatora Strona 27