LeCroy WaveSurfer 400 Series Service Manual page 25

MST429A
The main function of MST429A are:
•
generates main trigger signal for Time Base system
The trigger function of MST429A are:
•
Single source trigger,
Standard trigger,
Hold off by Time
Hold off by Events,
Pulse width
Interval
•
Multiple source trigger,
State qualified,
Edge qualified
Analog Control
Circuit name signal level
CHx TRIG LVL1 +/-4V
CHx TRIG LVL2 +/-4V
CHx HYST 0 to +4V
voltage
Trigger level control signal
Trigger level control signal for smart trigger/window
Trigger hysteresis control signal
Signal name
Theory of Operation 4-7