User Manual

MSO-2000E & 2000EA User Manual
158
Threshold
(Pulse Width)
Sets the amplitude threshold level for the pulse
widths.
Threshold
–XXV ~ +XXV, user-set level
Set to TTL
1.4V
Set to ECL
-1.3V
Set to 50%
Sets the threshold to 50%
(Only when the trigger source is digital):
Threshold
Adjusts the amplitude
threshold for the pulse
width trigger when the
source is digital.
Range
-5V ~ +5V
Choose
Preset
Press Choose Preset to
select a pre-set logic
threshold.
Logic Type
Threshold
TTL
1.4V
5.0V CMOS
2.5V
3.3V CMOS
1.65V
2.5V CMOS
1.25V
ECL
-1.3V
PECL
3.7V
0V
0V
Note
Setting the threshold levels for the digital sources
from the Trigger menu will also change the
threshold levels set in the Logic Analyzer menu
(page 217).
Standard
(Video)
NTSC
National Television System Committee
PAL
Phase Alternate by Line