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ATR4258 Datasheet(PDF) 2 Page - ATMEL Corporation

Part # ATR4258
Description  AM/FM Receiver IC
PDF  38 Pages
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Manufacturer  ATMEL [ATMEL Corporation]
Direct Link  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

ATR4258 Datasheet(HTML) 2 Page - ATMEL Corporation

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2
4838B–AUDR–05/05
ATR4258
Figure 1-1.
Block Diagram
AGC
AM
FM
OSC
AGC
Bandgap
Bus
INT
Stop
Soft
Mute
Dev.
Ana.
AM
Dem.
AGC
FM
Dem.
Adj.
Chan.
Divider
Automatic
Adjustment
AM
FM
Multi-
path
7
3
6
1
2
4
5
8
9
10
MPX
12
13
14
15
16
17
18
19
21
IF2OUT
22
23
24
25
26
27
28
29
30
31
MULTIP
33
34
IFAGCH
IFAGCL
FILADJ
38
39
OPLPF
41
42
43
44
AMAGC
MX1AMA
GNDMX
MX1FMA
MX1FMB
OSCOUT
GNDOSC
OSCE
OSCB
FMAGC
EN
CLK
DATA
V57
GND
VS
METER
MX2LO
ADJAC
INT
SMUTE
DEV
V3P
IF2IN
MX2OA
MX2OB
MX2IN
V3
IF1OUT
IF1AMI
IF1REF
IF1FMI
MX1OB
MX1OA
AMPLPF
V3
V3
MX1AMB
AMVREG
Divider
2...10
Offset
Noise-
blanker
32
36
35
20
37
40
11



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