CA3126 View Datasheet(PDF) - Intersil

Part Name

Description

Manufacturer

CA3126

TV Chroma Processor

Intersil 

Test Circuit

VREG

CA3126

10kΩ

270Ω

+24V

2N2102

0.05µF

3.9kΩ

12

CW

47kΩ

S2

I

0.02µF 0.02µF

2kΩ

10kΩ

0.01µF

1µF

1µF

CCW

16

15

14

13

12 11

10

9

CHROMA

GAIN

CONTROL

CA3126

OSCILLOSCOPE

1

2

3

4

5

6

7

8

0.01µF

2

kΩ

680Ω

0.01µF

2.45kΩ

TP1

S1

1

CHROMA

INPUT

SIGNAL

0.01µF 0.1µF

2

50Ω

0.01µF 0.01µF

10pF 20pF

NPO N750

33pF

N750

XTAL

3.579545MHz

VARIABLE

ATTENUATOR

TEST SIGNAL

GENERATOR

BURST

SYNC.

SUB-

CARRIER

OUTPUT

KEY

PULSE

PULSE

GENERATOR

COUNTER

Pin numbers refer to the PDIP package.

(A) Chroma input signal

(B) Key pulse input signal

2.5µs

(A)

BURST

(B)

63.5µs

3.579545MHz

4µs

VCHROMA

0.46VCHROMA

5µs CENTERED ON BURST

1.0VPEAK (MIN)

8-35

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