■ OUTPUT SELECT CODE
● Video output (1)
SW (1)
0
1
VOUT (1) Output Signal
VIN (1)
VIN (2)
NJM2223
● Super Imposer
1.Switching of SW (3), it imposes DC level in video signal
regardlsee to SW (1), SW (2) Condition.
SW (3)
0
1
VOUT (2) Output Signal
Video Signal
DC Level
● Video output (2)
SW (1) SW (2)
0
0
0
1
1
0
1
1
SW (3)
0
0
0
0
VOUT (2) Output Signal
VIN (1)
VIN (3)
VIN (2)
VIN (2)
2. Switching of SW (4), it selects DC level at internal white level
(100 IRE) or external setting level.
SW (4)
0
1
VOUT (2) Output Signal
Internal White Level
External Set Level
● Open Collector Drive Switch
This switch has function to make SW (2), SW (3) no working
And VOUT (2) output signal to the same output signal of VOUT (1).
It operates in CMOS level.
Ver.2004-02-17
-3-