CA3154 Intersil Corporation, CA3154 Datasheet - Page 4

• Manufacturer Part Number: CA3154
• Description: Tv Sync/agc/horizontal Signal Processor
• Manufacturer: Intersil Corporation

NOTE: Oscillator loop to be used as indicated in the electrical characteristics chart, with coil adjusted for typical unit to 503.5kHz for f
VIDEO
INPUT
1
7V
4V
TO AGC
Q
VIDEO
+12V
6
390
R
Q
2
4
IF MAX GAIN AT
LOW SIGNAL
9.5K
R
R.6K
Q
R
1
1
LEVEL
4
Q
FIGURE 4. SCHEMATIC OF SYNC SEPARATOR SECTION OF THE CA3154
FIGURE 3. TYPICAL OPERATION OF AGC CIRCUITS USING THE CA3154
2
R
390
22K
V
500
3
R
R
13
SYNC
6
5
SEP.
SETTING
POT. DELAY
Q
A
RF INPUT SIGNAL
FIGURE 2. ELECTRICAL CHARACTERISTICS TEST CIRCUIT
3
IF GAIN RED.
2
Q
RANGE
620pF
IF AGC
R
15K
33
AGC (4V)
REF BIAS TO
2%
38
TO
R
580
R
520
R
3.4K
3.4V
6
R
7.5K
4.5V
9
8
7
10
B
470
R
1K
REDUCTION RANGE
39
TO
Q
V
V
TUNER GAIN
35
14
13
R
16.6K
7
56pF
40
CA3154
2%
Q
Q
36
8-45
Q
V
37
2mH
15
10
R
15K
7.18K
41
R
45
TO AGC
SYNC
Q
R
500
330pF
Q
38
83
2%
41
1k
TO
Q
R
4.24K
R
1.7K
40
Q
46
48
V
15K
R
42
12
1.8k
47
8
(TUNER REVERSE AGC)
V
V
Q
10.7V
11
14
39
V
V
(TUNER FWD AGC)
13
IF(MAX)GAIN BIAS
15
(MIN) = V
(MIN) = V
R
15K
42
R
5K
R
2.5K
43
44
Q
R
200
43
49
OUTPUT
14
14
V
R
7.9K
DELAY
50
SYNC
-2.1V
-0.7V
Q
Q
46
V
44
O
Q
45
3
R
33
13.5K
4.17K
52
27K
R
R
R
54
51
53
9
5
12V
SYNC
TO HOR
AFC
6FR
.