User Manual
Camera interfaces
FireWire Hardware Installation Guide V8.0.0
74
Guppy delay
For all Guppy models:
Test conditions
Camera: Format_7 Mode_0, Mono8, S400, extended shutter set to minimum
Output: external 2.4 k resistor to GND
Figure 38: Guppy output switching times
Parameter and value
t
d
< 0.5 μs t
s
< 0.5μs
t
r
< 0.5 μs t
f
< 0.5 μs
t
on
= t
d
+ t
r
= 1μs t
off
= t
s
+ t
f
= 1 μs
Table 17: Parameters for Guppy
I
F
0
I
C
100%
90%
10%
t
t
t
r
t
d
t
on
0
t
s
t
f
t
off
t
d
t
r
t
on
(=t
d
+t
r
)
delay time
rise time
turn-on time
t
s
t
f
t
off
(=t
s
+t
f
)
storage time
fall time
turn-off time