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