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ICV4 VHiNJM2267M-1: Video operation amp. (NJM2267M)
Terminal Name
Pin No.
1
Clamp input terminal
2
GND
3
Sag correction terminal
4,5
Output terminal
6
Sag correction terminal
7
V+
8
Clamp input terminal
VIN2
8
VIN1
1
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Input of 1.9 V clamp, 1 Vp-p composite or Y-signal
Ground
Able to obtain an output without any sag by feeding back the sag, generated from output
coupling C, using the external C (see block diagram).
When not using the sag correction terminal, connect directly to the pin 4.
6 dB amplifier output. Able to drive 75Ω video line.
Able to obtain an output without any sag by feeding back the sag, generated from output
coupling C, using the external C (see block diagram).
When not using the sag correction terminal, connect directly to the pin 5.
Power source
Input of 1.9 V clamp, 1 Vp-p composite or Y-signal.
6dB
Amp
2.2Ω
2.0kΩ
6dB
Amp
2.2kΩ
2.0kΩ
Figure 59 BLOCK DIAGRAM OF IC
– 59 –
Function
V+
7
75Ω
Vout2
Driver
75Ω
V5AG2
Correction terminal
75Ω
Vout1
Driver
75Ω
V5AG1
Correction terminal
2
GND
CD-BK2100V
5
VOUT2
(6dB)
6
VOUT2
4
VOUT1
(6dB)
3
VOUT1
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