CA3126 Intersil Corporation, CA3126 Datasheet - Page 4

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

Block Diagram
NOTES:
CCW
k
CW
6. Optional design features.
7. Pinout numbers refer to the PDIP package.
10
TERM. 12
TO
CHROMA GAIN
1.2k
CHROMA
CONTROL
50k
INPUT
KILLER
FILTER
2.45k
0.01 F
GND
CHROMA
INPUT
2 F
16
1
5
CHROMA
AMPL.
AMPL.
FIRST
ACC
BYPASS
0.01 F
RF
CA3126
SHIFTER
SHIFTER
AFPC
DET.
+ /4
ACC
DET.
- /4
4
0.01 F
AND HOLD
AND HOLD
AND HOLD
AND HOLD
TV CHROMA PROCESSOR
SAMPLE
SAMPLE
SAMPLE
SAMPLE
SIGNAL
SIGNAL
CONTROL
BIAS
BIAS
ATTENU-
FILTER
INTERN.
AFPC
1.0 F
ATOR
BIAS
0.01 F
REF.
CA3126
2k
10
2
8-36
FILTER
3
1 F
ACC
OVERLOAD
DETECTOR
CHROMA
SECOND
TRANSLATOR
DC CONTR.
BALANCED
AMPL.
UNBALANCE
BALANCE-
6
0.01 F
SHIFTER
680
11
CRYSTAL
0.01 F
FILTER
xx
xx
VCO
COUPLING
NETWORK
AMPL.
LIMIT
KILLER
DELAY
DELAY
AMPL.
BIAS
BIAS
20pF
10pF
7
KEYER
ZENER
AMPL.
+11.2V
REF.
33pF
12
13
15
14
8
9
0.01 F
0.05
3.9k
F
CARRIER
OUTPUT
2k
(NOTE 6)
2N2102
(NOTE 6)
0.01
270
F
HORIZONTAL
5 s WIDTH
KEY INPUT
10k
VOLTAGE
CHROMA
OUTPUT
SUPPLY
0V
+24V