Tektronix TDS1000- and TDS2000

Application Examples

TDS1000/2000-Series Digital Oscilloscope User Manual 61

6. Push the Source option button to select CH1.

7. Turn the TRIGGER LEVEL knob to set the trigger l evel near

the bottom of the signal.

8. Push the When option button to select =(equal).

9. Push the Set Pulse Width option button, and t urn the USER

SELECT knob to set the pulse width to the value reported by t he

Pulse Widthmeasurement in step 3.

10. Push -- m o r e -- p a g e 1 o f 2 and set the Mode option to Normal.

You should achieve a stable display with the oscilloscope

triggering on normal pulses.

11. Push the When option button to select ¸,<,or>. If there are

any aberrant pulses that meet t he specified When condition, the

oscilloscope triggers.

NOTE. The trigger frequency readout shows the frequency of events

the oscilloscope considers to be triggers, and may be lessthan the

frequency of the input signal in Pulse Width trigger mode.