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148 PI-MAX
®
4 System Manual Issue 4
8.1.1 Supported Timing Generator Trigger Modes
Trigger per Pulse: The pulse set is initiated by its own trigger (either internal or external.)
See Figure 8-2.
Figure 8-2: Timing Diagram: Trigger Per Pulse
Supported Trigger Sources are:
• Source 1: Timing Generator internal trigger
A pulse set is initiated by the timing generator’s internal trigger.
• Source 2: External Trigger (on TRIGGER IN BNC)
A pulse set is initiated by an external trigger.
8.2 Single Sequence
A sequence is the repetition of a single Pulse Set for X number of times. Figure 8-3
illustrates a sequence with the pulse set repeated three (3) times.
Figure 8-3: Timing Diagrams: Three Repetition Sequence
The EXPOSE signal remains high for the duration of the sequence and goes low approxi-
mately 15 ns after sequence completion.
TRIGGER
PULSES
EXPOSE
CCD
EXPOSE READOUT
PULSE SET
4411-0137_0087
SEQUENCE (3 Repetitions)
PULSE SET PULSE SETPULSE SET PULSE SET PULSE SET
4411-0137_0088