GW Instek GDS-2000 training manual - Manual (Page 31)

GDS-2000 ADVANCED
31
Pulse Width Trigger
Background The pulse width trigger allows observing pulse
signals in clear manner, even when several pulse
widths are mixed in a single waveform.
Connection
CH1
CH1 Scale 250ns/div, 200mV/div
(if CH1 is still unstable, increase the trigger level)
1. The input signal contains several pulses with different width. In
the default edge trigger mode, all pulses are mixed together.
2. Press the trigger MENU key → F1 (Type) and select Pulse. Press
F4 (When), select < , and set the pulse width to 40ns. The
narrowest pulse, 20ns, appears on the display.
MENU
Type
Pulse
F 1
When <
40.0ns
F 4
VARIABLE
3. Repeat the above step and observe the following pulses:
=&200ns (200ns), =&500ns (500ns), >&700ns (1us)
Demonstration completed