Teledyne Princeton Instruments Lansis, System Manual

Page: 62 / 101

62 Lansis
®
System Manual Issue 1
EAR99 Technology Subject to Restrictions Contained on the Cover Page.
9.2.1.4 Expose During Trigger Pulse
Controls when exposure begins and ends.
Supported Shutter modes are:
• Normal ;
• Always Closed ;
• Always Open ;
• Open Before Trigger .
The effect each of these shutter modes has on experiment synchronization is described
in the following sections. In all timing diagrams, Trigger Determined By Rising Edge is
illustrated.
NOTES:
1. When Clean Until Trigger is enabled, an inherent jitter is
introduced into the system Refer to Section 7.3.1, Clean
Until Trigger , on page 41 for additional information.
2. In all timing diagrams, Trigger Determined By Rising
Edge is illustrated.
9.2.1.4.1 Normal
Figure 9-16 illustrates the timing diagram for Expose During Trigger mode combined
with Normal shutter mode.
Figure 9-16: Full Frame Timing Diagram: Expose During Trigger, Normal
** If Enabled
EXPOSE
TRIGGER
t
O
t
C
SHUTTER
Normal
Wait For
Trigger
t
O
READOUT
ACQUIRE
Pgm’d
Cleans
Clean
Until
Trigger **
t
exp
t
R
44
11
-0
17
4
_
0
0
74