MC1377
Figure 25. RGB Pulse Generator
BNC
4.7µF
10k
2N4403
Composite
Blanking
2.2k
10k
–5.0V
Reg
10k
0.1
1/2 MC74LS112A
MC74LS112A
2N
4401
3.3k
0.1
0.1
0.1
4
0.1
2.2 k
MC1455
7
8
16
Q5
14S
15S 16
15S
R4
11J
3J
3J
Q9
2
6
2k
2k
12k
3.3k
154kHz
1C
3
5
1C
Q6
13C
Q7
R10
Q6
R4
1
8
8
10k
10 k
750 pF
Freq
Adj
0.1
1.8k
680
1.8k
680
1.8k
680
BNC
Red
Output
BNC
Green
Output
BNC
Blue
Output
2N4401
2N4401
2N4401
0.1
0.1
470
470
470
0.1
RGB Pulse Generator Timing Diagram for NTSC
64 µs
Composite
Blanking
Input
154 kHz
Clock
White
Yellow
Cyan
Green
Magenta
Red
Blue
Black
Blue
Output
1.0 V
pp
Red
Output
Green
Output
15
MOTOROLA ANALOG IC DEVICE DATA
MOTOROLA [ MOTOROLA ]
