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LA75521VA 데이터 시트보기 (PDF) - SANYO -> Panasonic
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LA75521VA
IF Signal Processing (VIF+SIF) IC that Supports the PAL Video Standard for TV Sets and VCRs
SANYO -> Panasonic
LA75521VA Datasheet PDF : 13 Pages
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Last
Pin Assignment
LA75521VA
DE-EMPHASIS C 1
SIF AGC FILTER 2
FM PLL FILTER 3
VCC 4
VIDEO OUTPUT 5
EQ FILTER 6
SIF SYSTEM SW A 7
APC FILTER 8
SIF SYSTEM SW B 9
VIF FREQUENCY SW 10
REFERENCE CP INPUT 11
AFT OUTPUT 12
LA75521VA
24 AUDIO OUTPUT
23 FILTER CONTROL C
22 AUDIO BIAS FILTER
21 SIF CARRIER OUTPUT
20 RF AGC VR
19 GND
18 VIF IN 1
17 VIF IN 2
16 VIF AGC FILTER
15 AFT MUTE LEVEL
14 RF AGC OUTPUT
13 1st SIF INPUT
Top view
Block Diagram
AUDIO
OUTPUT
SOUND CARRIER
OUTPUT
1
μ
F
1
μ
F
VIF/SIF
INPUT
0.022
μ
F
SAWF(P)
RF AGC
OUTPUT
SW15
SAWF(S)
V4
V3
V2
V1
SW13
SW10 VIF FREQUENCY
V3
39.5MHz
V2
38.9MHz
V1
38.0MHz
24 23 22 21 20 19 18 17 16 15 14 13
DE-
EMP
AMP
FM
DET
SIF
AMP
AGC
RF
AGC
IF
AGC
SPLIT
AMP
INT
TRAP
EQ
AMP
VIF
AMP
VIDEO
DET
1stSIF
TRAP
AMP
AGC
VCO
APC
AFT
SW
MODE
CTRL
12345
0.01
μ
F
0.033
μ
F
3.3k
Ω
0.01
μ
F
330pF
VIDEO
OUTPUT
6 7 8 9 10 11 12
0.47
μ
F
SW11
51
Ω
SW10
1000pF
V3
SYSTEM SW SYSTEM SW
V2
270k
Ω
V1
A
B
VIF FREQ. 4.43/4MHz
SW11 REFERENCE
OPEN 4.43MHz
SHORT 4.0MHz
SW13
OPEN
SHORT
SYSTEM
SPLIT
INTER
SW15 AFT MUTE LEVEL B/G TRAP SHIFT
V4 MIDDLE (VCC/2)
V3 MIDDLE (VCC/2)
V2
HI (VCC)
V1
HI (VCC)
0
+250kHz
0
+250kHz
AFT
OUTPUT
Pin 7 Pin 9 SIF SYSTEM
HI HI
M
HI LO
I
LO HI
B/G
LO LO
D/K
VCC
No.A1004-5/13
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