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PDF CA3126 Data sheet ( Hoja de datos )
| Número de pieza | CA3126 | |
| Descripción | TV Chroma Processor | |
| Fabricantes | Intersil | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de CA3126 (archivo pdf) en la parte inferior de esta página. Total 9 Páginas | ||
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May 1999
NO
Call
CRoeErnOCetrOBmaSMlaOAiMl:pLEpEcNlTeiDcnEaEtaPtDipoRpRnO@sEDP1hUL-aC8Ar0rTCi0sE-.4cM4o2Em-N7T747
CA3126
TV Chroma Processor
[ /Title
(CA31
26)
/Sub-
ject
(TV
Chrom
a Pro-
cessor)
/Autho
r ()
/Key-
words
(Har-
ris
Semi-
con-
ductor,
TV
chroma
pro-
cessor,
subcar-
rier
regen-
era-
tion,
ntsc,
acc,
over-
load
detec-
tor,
keyed
chroma
out-
put,
color
proces-
sor,
indus-
trial
Features
Description
• Phase Locked Subcarrier Regeneration Utilizes
Sample-and-Hold Techniques
• Automatic Chrominance Control (ACC)/Killer Detector
Employs Sample-and-Hold Techniques
• Supplementary ACC with an Overload Detector to
Prevent Oversaturation of this Picture Tube
• Sinusoidal Subcarrier Output
• Keyed Chroma Output
• Emitter Follower Buffered Outputs for Low Output
Impedance
The Harris CA3126 is a monolithic silicon integrated circuit
designed for TV chroma processing and is ideally suited for
NTSC color graphic applications that require subcarrier
regeneration of the color burst signal.
Part Number Information
TEMP.
PART NUMBER RANGE (oC)
PACKAGE
CA3126E
-40 to 85 16 Ld PDIP
CA3126M1
-40 to 85 20 Ld SOIC
PKG.
NO.
E16.3
M20.3
• Linear DC Saturation Control
Applications
• TV/CATV Receiver Circuits
• NTSC Color Decoder/Processor
• Computer Graphics Subcarrier Regenerator
• Timing Reference for Frame Grabbers
• DSP Clock Timing Reference Source
Pinouts
CA3126
(PDIP)
TOP VIEW
CHROMA IN 1
AFPC FILTER + 2
AFPC FILTER - 3
RF BYPASS 4
GROUND 5
VCO OUT 6
VCO IN 7
CARRIER OUT 8
16 CHROMA GAIN CONT.
15 CHROMA OUT
14 ZENER REF
13 OVERLOAD DET.
12 V+
11 ACC+
10 ACC-
9 HORIZ. KEY IN
CA3126
(SOIC)
TOP VIEW
CHROMA IN 1
AFPC FILTER + 2
NC 3
AFPC FILTER - 4
RF BYPASS 5
GROUND 6
VCO OUT 7
VCO IN 8
NC 9
NC 10
20 CHROMA GAIN CONT.
19 CHROMA OUT
18 NC
17 ZENER REF
16 OVERLOAD DET.
15 V+
14 ACC +
13 ACC -
12 HORIZ. KEY IN
11 CARRIER OUT
CAUTION: These devices are sensitive to electrostatic discharge. Users should follow proper IC Handling Procedures.
Copyright © Harris Corporation 1999
8-33
File Number 860.5
1 page  
Schematic Diagram
CA3126
4 RF BYPASS
AFPC DETECTOR
SINGLE SAMPLE
AND HOLD
1
CHROMA
INPUT
FIRST CHROMA
AMPLIFIER
Q71
R13
4K
R60
1.5K
R1 R4
300 300
R2 R5
700 700
R11
1.3K
Q9
Q51 Q52
Q10
C3 R14
5pF 2.1K
Q1
R6
500
R3
250
Q50
Q2 R7
500
R10
Q3 1.6K
R8
2.2K
R9
500
D1
Q7
Q8
C1
10pF
Q5
Q4
R12
1K
Q6
Q53
R17
2K
R15 Q11
700
Q54 R20
5K
Q12
R16
12K
Q13
R19
12K
R18
1K
CHROMA
OUTPUT
15
SECOND CHROMA
AMPLIFIER
R43
2.5K
Q65
Q66
Q80
Q24
R78
1K
Q23
Q68
ACC
DETECTOR
Q35 Q69
R54
4K
Q70 Q36
Q33 Q34
Q31 Q32
SIGNAL SAMPLE
AND HOLD
R57
2K
Q72
R59
2K
CHROMA
GAIN
CONTROL
16
13
OVERLOAD
DETECTOR
R79
300
Q22
Q67 ACC
R44 AMP.
5K R49
ZENER
REFERENCE
R42
8K
Q25
R41
1K
R77
750
Q20 Q27
KILLER
700
Q29
R46
5K
R48
2K
Q28
R51
2K
Q30
D1
Z2
Z3
Q47
R53
700
R40 AMP.
330
D3
R47
5K
R45
220
R50
5K
R52
1K
R55
3.5K
OVERLOAD DETECTOR
GROUND
5 (SUBSTRATE)
NOTE: Pin numbers refer to the PDIP Package. Resistance values are in ohms.
ZENER
14 REFERENCE
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
8-37
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet CA3126.PDF ] | |
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