TL1051

VIDEO PREPROCESSOR CIRCUIT

SOCS032B – NOVEMBER 1991

4-11

POST OFFICE BOX 655303

APPLICATION INFORMATION

33

GT1

22

44

NC

1

AGCOUT

43 42 41 40 39 38 37 36 35 34

WB

2

CONTB

3

CONTA

4

5

BIN

6

GIN

7

RIN

8

CLPLVLB

9

CLPLVLG

10

CLPLVLR

11

12 13 14 15 16 17 18 19 20 21

32

REF2V

31

AGCCONT

30

AGCLMT

29

BOUT

28

GOUT

27

ROUT

26

YOUT

25

YALC

24

WCPCONT

23

YCLAMP

VCC

Q4

2N3904

C13

0.1

µF

YOUT

R14

1 k

Ω

R10

100

Ω

5 V

Q1

2N3904

C10

0.1

µF

BOUT

R11

1 k

Ω

R7

100

Ω

5 V

Q2

2N3904

C11

0.1

µF

GOUT

R12

1 k

Ω

R8

100

Ω

5 V

Q3

2N390

4

C12

0.1

µF

ROUT

R13

1 k

Ω

R9

100

Ω

5 V

R6

10 k

Ω

C9

0.1

µF

5 V

C8

0.1

µF

GT2

GT3

BCP1

CP2

BCP2

From Timing

Generator

(see Note A)

5 V

C4

C5

C6

0.1

µF

0.1

µF

0.1

µF

5 V

C7

0.1

µF

R3

10 k

Ω

R4

10 k

Ω

R5

10 k

Ω

5 V

5 V

C3

0.1

µF

R1

22 k

Ω

R2

33 k

Ω

C2

0.1

µF

C1

0.1

µF

TL1051

Video

Preprocessor

NOTE A: This application circuit shows TTL signals originating from the TI SN28835 1/2-Inch NTSC Timer. However, the TL1051 video

preprocessor interfaces equally well with a TI TMS3471C 2/3-Inch NTSC timer, a TI SN28837 1/2-Inch PAL timer, or a user-defined

timing generator.

Figure 5. Typical Application Circuit