CAMERAS FRAME GRABBERS IMAGING SOLUTIONS
BOBCAT Hardware User’s Manual
IMPERX
Rev. 2.0.9
6421 Congress Ave.
4/8/2014
Boca Raton, FL 33487
www.imperx.com
+1 (561) 989-0006
174 of 329
2.7 STROBE OUTPUT
The strobe output is used to synchronize an external light source with the camera timing,
and thus to maximize the camera efficiency in low light level conditions. The optimal strobe
signal position is achieved by the positioning of the STROBE pulse, with respect to the
vertical transfer pulse VCCD (end of the frame) - Figure 2.19. BOBCAT supports two
independent strobe signals. Each strobe pulse can be positioned within the entire frame
timing period with a precision 1.0 us. The strobe duration can be seen from 1.0 us to 65535
us with a precision of 1.0us. The internal camera timing has a flag for odd and even frames.
Each strobe can be assigned to every frame, only odd frames, only even frames, or the
strobe can be disabled. The actual strobe signal can be mapped to the corresponding camera
outputs – please refer to the “I/O Control” section.
CAUTION NOTE
During Standard triggering mode the odd/even frame flag resets with each new trigger. In
this case, if the number of frames is set to 1 the strobe will be present only in “Every Frame”
and “Odd Frames”.
VCCD
STROBE 1
Frame Time
Position Strobe 1
Position Strobe 2
STROBE 2
Duration
Figure 2.19 – Strobe pulse positioning
