參數(shù)資料
型號(hào): TDA4472-MSD
廠商: TEMIC SEMICONDUCTORS
元件分類: 接收器
英文描述: FM, AUDIO/VIDEO DEMODULATOR, PDIP28
封裝: SDIP-28
文件頁(yè)數(shù): 14/14頁(yè)
文件大小: 161K
代理商: TDA4472-MSD
TDA4472
Rev
.A2,
04-Dec-98
9
(14)
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
34
5
678
9
10
11
12
13
14
8.2 pF
10 nF
22
10 nF
51 k
W 51 kW
+5 V
AFC
Intercarrier
(FM/NICAM)
10 nF
Offset
comp.
10 k
W
Loop
filter
470 nF
150
W
2.2
C
Ref
AFC switch
SIF 2
SIF 1
D/K
Input switch
S3
SAW 2
S2
B/G
AGC (SIF)
10 k
W
Tuner
AGC
L
VCO
C
VCO
SAW 1
VIF
AGC (VIF)
SAW: VIF
Tuner
Video
+12 V
10 nF
50
W
IF
in
1
2
3
4
8
7
6
5
U4744B
94 8721
SAW driver
*)
10
2.2
NC
mF
*)
External
L/C
circuit
(VCO:
38.9
MHz)
with
T
OKO
coil
7KM,
292
XNS
4051Z
Figure
4.
Basic
application
circuit
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