Type
Time
SourceCh1
Δt 500.0µs
1/Δt 2.000kHz
ΔV 1.38V
Cursor 1
0.00s
0.98V
Cursor 2
500µs
-1.00V
NOTE. The Positive Width measurement is available as an automatic
measurement in the Measure Menu. See Measure on page 91.
Measuring rise time
After measuring the pulse width, you decide that you need to check the rise time
of the pulse. Typically, you measure rise time between the 10% and 90% levels
of the waveform. To measure the rise time, follow these steps:
1. Turn the Horizontal Scale (seconds/division) knob to display the rising edge
of the waveform.
2. Turn the Vertical Scale (volts/division) and Vertical Position knobs to set
the waveform amplitude to about five divisions.
3. Push the 1 (channel 1 menu) button.
4. Push Volts/Div ► Fine.
5. Turn the Vertical Scale (volts/division) knob to set the waveform amplitude
to exactly five divisions.
6. Turn the Vertical Position knob to center the waveform; position the
baseline of the waveform 2.5 divisions below the center graticule.
7. Push the Cursor button to see the Cursor Menu.
8. Push the Type side-menu button. A pop-out menu should appear showing a
scroll-able list of the available cursor types.
9. Turn the Multipurpose knob to highlight Time.
10. Push the Multipurpose knob to select Time.
11. Push the Source side-menu button. A pop-out menu should appear showing a
scroll-able list of the available sources.
12. Turn the Multipurpose knob to highlight Ch1.
13. Push the Multipurpose knob to select Ch1.
Application examples
36 TBS1000B and TBS1000B-EDU Series Oscilloscopes User Manual
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