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AD-130GE
20
Fig.16 Trigger circuit
7.3.1.1 Iris Video input and output
The lens-iris video output level at pin 4 of the 12-pin
Hirose connector is 700 mV for 100% video output level.
The
iris video signal is taken after the gain circuit. However,
negative compensation is applied to the iris circuit, thus
the
gain setting has no influence for controlling auto iris
lenses. It is without sync.
Fig.15 Iris Video output
7.3.1.2 Iris video output select
As the factory default setting, the signal from AD-130GE #0(color) is used for iris control. The
setting can be changed in the following screen. This screen is effective if AD-130GE#0 is
selected.
7.3.2 Trigger input
An external trigger input can be applied to
pin 3 and 5 of 6-pin Hirose connector.
The input is AC coupled. To allow long pulses
the input circuit is designed as a flip-flop
circuit. The leading and trailing edges of the
trigger pulse activate the circuit.
The trigger polarity can be changed.
Trigger input level 4 V
2 V.
+5V
●
●
●
●
●
SW600
TTL
1K
100K
0.001μ
0.1μ
1K2
15K
39K
75
HIROSE 6P
#3 & #5
0
100% Level
700
200
An
al
og
Ou
t
[m
V
]
CCD Out [mV]
800
230