CA3126 Intersil Corporation, CA3126 Datasheet - Page 9

• Manufacturer Part Number: CA3126
• Description: Tv Chroma Processor
• Manufacturer: Intersil Corporation

NOTE: For Subcarrier Regenerator, the second chroma
amp is not used; Pins 13,14, and 15 are not connected and
pin 16 is grounded.
COMPOSITE
VIDEO/CHROMA INPUT
82pF
12 H
L1
68pF
27 H
L2
INPUT FILTER
TYP. 0.5V
56
pF
FIGURE 6. TYPICAL APPLICATION OF THE CA3126 AS A SUBCARRIER REGENERATOR
P-P
0.01 F
2.4k
500
1
+12V
11.2V
ZENER
REF
V
12
CC
CA3126
0.01 F
CHROMA
14
FIRST
AMP
AMP
ACC
0.01 F
0.01 F
0.01 F
4
5
0.01 F
CA3126
8-41
3
10
DET/FILT.
DET/FILT.
1 F
BURST-GATE
2k
AFPC
CHROMA/
ACC
1 F
SWITCH
11
2
0.01 F
6
VCO
680
KILLER AND
GAIN CONT.
13
CHROMA
O.L. DET
CHROMA
AMP
XTAL
2ND
xx
xx
16
5pF-25pF
SUBCARRIER
10pF
AMP
BURST
KEYER
7
AMP
9
4 s (TYP), CENTERED
33pF
BURST KEY PULSE
2k
ON BURST
SUBCARRIER
OUTPUT (CW)
3.579545MHz
15
8
FSC
>1V
0.01 F
PEAK
0V