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TDA7421 датащи(PDF) 34 Page - STMicroelectronics

номер детали TDA7421
подробное описание детали  AM/FM TUNER FOR CAR RADIO AND Hi-Fi APPLICATIONS
PDF  38 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7421 датащи(HTML) 34 Page - STMicroelectronics

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see schematic (part D)
IF2Vcc
IF1Vcc
120p
TP17
10n
22u
+
AUDIO OUT
5K6
L6
22n
2.2u
22n
0
CF4
10.7MHz
50
FMIF2
0
1u
TP16
TP13
100K
TP11
1mH
AM BPF
33
AM REF
34
AM IF2 IN
35
IF2 VCC
36
FM QUAD-
37
FM QUAD+
38
AUDIO OUT
39
FM SD/AM SD
40
FM/AM S-METER
41
FM MUTE DRIVE
42
FM BW TC
43
IF1 GND
44
FM LIM IN-
45
FM LIM IN+
46
IF1 VCC
47
FMIF AMP2OUT
48
TP12
TP14
TP15
Evaluation Board Schematic Circuit (part C)
From pin 1 - AM MIX IN-
From pin 35 - AM IF2 IN
From pin 48 - FMIF AMP2 OUT
RFVcc
RFVcc
RFVcc
RFVcc
10n
50
AM IN
68uH
68uH
1K
1mH
27
100n
82p
1M
1u
+
TP10
1
0
T3
TP6
1
0
22n
22n
1.5n
4K7
0
10n
TP3
1
TP4
1
0
00
0
F2
450KHz
0
TP7
1
AMIF
TP8
1
TP9
1
F3
10.7MHz
22n
1u
2K7
3p
470
0
0
0
100n
0
CF1
10.7MHz
50
0
FMIF1
27
50
15p
10n
120p
82p
18p
22n
10n
0
0
1u
+
4K7
T2
TP1
1
TP2
1
TP5
1
AMAMP
0
68p
Evaluation Board Schematic Circuit (part D)
TDA7421
34/38



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