TL1051 Datasheet, PDF (11/13 Pages) Texas Instruments – VIDEO PREPROCESSOR CIRCUIT

TL1051
VIDEO PREPROCESSOR CIRCUIT
APPLICATION INFORMATION
SOCS032B – NOVEMBER 1991
5V
5V
5V
R1
22 kΩ
5V
C1
0.1 µF
C9
0.1 µF
R6
10 kΩ
44 43 42 41 40 39 38 37 36 35 34
C2
0.1 µF
R2
33 kΩ
C4
5V
C7
0.1 µF
1
5V
2
3
C3
4
0.1 µF
5
0.1 µF
6
C5 0.1 µF
7
C6 0.1 µF 8
9
10
11
NC
WB
CONTB
CONTA
VCC
BIN
GIN
RIN
CLPLVLB
CLPLVLG
CLPLVLR
TL1051
Video
Preprocessor
33
AGCOUT
32
REF2V
31
AGCCONT
30
AGCLMT
29
BOUT
28
GOUT
27
ROUT
26
YOUT
25
YALC
24
WCPCONT
23
YCLAMP
R3
R4
R5
10 kΩ 10 kΩ 10 kΩ
From Timing
Generator
(see Note A)
12 13 14 15 16 17 18 19 20 21 22
GT1
GT2
GT3
BCP1
CP2
BCP2
C8
0.1 µF
R7
100 Ω
C10
0.1 µF
Q1
2N3904
BOUT
R11
1 kΩ
5V
C11
0.1 µF
R8
100 Ω
Q2
2N3904
GOUT
R12
1 kΩ
5V
R9
100 Ω
C12
0.1 µF
Q3
2N390
4
ROUT
R13
1 kΩ
5V
R10
100 Ω
C13
0.1 µF
Q4
2N3904
YOUT
R14
1 kΩ
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
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