Teledyne T3DSO1000, Руководство пользователя, Страница: 83 / 227

User Manual 65
Pulse Trigger
Trigger on the positive or negative pulse with a specified width.
Positive Pulse Width
Trigger Level
Negative Pulse Width
1. Press the Setup button on the front panel to enter the TRIGGER function menu.
2. Press the Type softkey; turn the Universal Knob to select Pulse and then push the
knob to confirm.
3. Press the Source softkey; turn the Universal Knob to select CH1 or CH2 as the
trigger source.
4. Turn the Trigger Level Knob to adjust the trigger level to the desired place.
5. Press the Polarity softkey to select Positive or Negative pulse to trigger on. The
current trigger polarity is displayed at the upper right corner of the screen.
6. Press the Limit Range softkey; turn the Universal Knob to select the desired
condition.
●
<= (less than a time value): trigger when the positive or negative pulse time of the
input signal is lower than the specified time value.
For example, for a positive pulse, if you set t (pulse real width) < 100ns, the
waveform will trigger according to the diagram below.
●
>= (greater than a time value): trigger when the positive or negative pulse time of
the input signal is greater than the specified time value.
For example, for a positive pulse, if you set t (pulse real width) >100ns, the
waveform will trigger according to the diagram below.