参数资料
型号: TDA4470-MFSG3Y
厂商: ATMEL CORP
元件分类: 接收器
英文描述: AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO28
封装: ROHS COMPLIANT, SSOP-28
文件页数: 12/24页
文件大小: 350K
代理商: TDA4470-MFSG3Y
2
4803C–TVVCR–10/05
TDA4470
Figure 1-1.
Block Diagram
AGC
(VIF)
Tuner
AGC
(SIF)
11
10
Tuner
27
28
3
1
2
5
SIF 2
SIF 1
VCO
+
phase shift
AFC
Standard
Supply
L' switch
VCO
21
20
18
Loop
filter
14
Offset
comp.
(optional)
26
FPLL
90°
VIF amp
6
7
8
15
VIF
C
AGC
C
BL
Take-over
point
SIF input
switch
C
AGC
22
12
4, 9,16
13
Standard
switch
23
V
S
17
C
Ref
Intercarrier
(FM/NICAM)
24
FM det.
AM det.
SIF amp
25
AF
(AM)
AFC
Video
Video det.
Control
19
AFC
switch
相关PDF资料
PDF描述
TDA4470-MFSY AM/FM, AUDIO/VIDEO DEMODULATOR, PDSO28
TDA4470-MSD SPECIALTY CONSUMER CIRCUIT, PDIP28
TDA4470-MFLG3 SPECIALTY CONSUMER CIRCUIT, PDSO28
TDA4470-MFSG3 SPECIALTY CONSUMER CIRCUIT, PDSO28
TDA4470-MFS SPECIALTY CONSUMER CIRCUIT, PDSO28
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