LA75676VA Datasheet, PDF (4/10 Pages) Sanyo Semicon Device – IF Signal Processor (VIF+SIF) for TV and VCR Products

LA75676VA
Block Diagram and AC Characteristics Test Circuit
FM DET
(D)
VIF IN
4.5MHz OUT
9V
(E)
RF AGC ^51Ω
IF AGC
VR
7.5kΩ
+
GND
24
23
22
21
20
19
18
17
16
15
14
13
6.6kΩ
V
FM
DET
RF
AGC
IF
AGC
VIF
AMP
VIDEO
AFT
DET
9dB
LIM
AMP
HPF
EQ
AMP
VCO
1
2
3
4
5
6
7
8
9
10
11
12
+
51Ω
+
24pF
+
330Ω
2nd SIF IN
SIF OUT
VIDEO
OUT
(A)
Test Circuit (Input inpedance)
Impedance
analyzer
VIF IN
RF AGC
OUT
(F)
AFT
OUT
(B)
VCC
GND
24
23
22
21
20
19
18
17
16
15
14
13
LA75676VA
1
2
3
4
5
6
7
8
9
10
11
12
+
VCC
No.7868-4/10