Tektronix TDS1000- Manuale Utente Scaricare il pdf (Pagina 78)

Application Examples

TDS1000/2000-Series Digital Oscilloscope User Manual

Triggering on a Specific Pulse Width

You are testing the pulse widths of a signal in a circuit. It is critical

that the pulses all be a specific width and you need to verify that they

are. Edge trigge ring shows that your signal is as specified, and the

pulse width measurement does not va ry from the spec ification.

However, you think t here might be a problem.

To set up a test for pulse width aberrations, follow these steps:

1. Display the suspect signal on Ch 1. If Ch1 is not displayed, push

the CH1 MENU button.

2. Push the AUTOSET button to t rigger a stable display.

3. Push the Single Cycle option button in the AUTOSET Menu to

view a single cycle of the signal, and to qui ckly take a Pulse

Width measurement.

4. Push the TRIG MENU button.

5. Push the Type option button to select Pulse.

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Tektronix TDS1000- Manuale Utente Pagina 78