Trigger Source; Internal Trigger Source; Figure 9-5: Timing Diagram: Dual-Trigger (Shift Per Trigger) Dif; Figure 9-6: Supersynchro Timing Expander: Dif Operation - Princeton Instruments PI-MAX4 Manual

160
•

Figure 9-5: Timing Diagram: Dual-Trigger (Shift Per Trigger) DIF

TRIGGER
IMAGES
9.3.2

Trigger Source

Trigger(s) can either be internally generated by the PI-MAX4 or can be generated by an
external source connected to the
Valid values for
•
•
9.3.2.1

Internal Trigger Source

Trigger pulses are generated by the PI-MAX4 using the configured
Frequency

Figure 9-6: SuperSYNCHRO Timing Expander: DIF Operation

The range of valid frequencies is 1 Hz to 1 MHz, in 1 Hz increments.
The
Internal Trigger Frequency
and
SyncMASTER2
®
PI-MAX
Shift Per Trigger
Two triggers are used to acquire the two images (i.e., one trigger per image.)
Figure 9-5 illustrates the timing diagram for a dual-trigger DIF acquisition.
FIRST FRAME
D1 W1
TT
PD: Phosphor Decay Time
W1: Pulse 1 Gate Width
TRIGGER IN
Trigger Source
;
Internal
External .
on the
SuperSYNCHRO Timing
outputs.
4 System Manual
SHIFT
BEHIND
MASK
PD
S) D2: Pulse 2 Gate Delay
W2: Pulse 2 Gate Width
connector on the rear of the camera.
are:
expander. See
setting also determines the frequency of
SECOND FRAME
D2 W2 PD
Internal Trigger
Figure 9-6.
SyncMASTER1
Issue 9