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TDA9898HL/V3 Datasheet(PDF) 92 Page - NXP Semiconductors

Part # TDA9898HL/V3
Description  Multistandard hybrid IF processing
PDF  103 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

TDA9898HL/V3 Datasheet(HTML) 92 Page - NXP Semiconductors

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TDA9897_TDA9898_4
© NXP B.V. 2009. All rights reserved.
Product data sheet
Rev. 04 — 25 May 2009
92 of 103
NXP Semiconductors
TDA9897; TDA9898
Multistandard hybrid IF processing
(1) Application depends on synthesizer frequency; see Table 57.
(2) Application of FM PLL loop filter; see Table 54.
(3) EMI suppression filter for DC, e.g. BLM21RK121SN1 (Murata).
(4) Optional.
(5) Value depends on application.
Fig 49. Application diagram of TDA9897 using SAW filter with Nyquist slope
001aai817
22 pF
synthesizer
downconverter
loop filter(1)
100 nF
470
Ω
3.3 k
Ω
synthesizer
trap control
loop filter
1.5 nF
CAF
470 nF
1
48
45
42
38
39
analog
ground
VP = 5 V
470 nF
100 nF
37
n.c.
44
43
47
CTAGC
220 nF
tuner
AGC
output
100 nF
CCTAGC
2
5
IF
3
46
CFREF
100 pF
L(3)
4 MHz
reference
input
41
40
4
TDA9897
6
7
8
PORT2
AGC input for DIF
(from channel decoder)
BVS
2 V CVBS
output
AUD
1st DIF
digital LIF or
analog 2nd
sound IF
9
10
11
12
13
14
22
18
15
16
17
36
35
32
34
33
31
30
29
28
27
26
25
PORT1
VIF PLL
loop filter
digital
ground
21
ADRSEL
SDA
(5)
(5)
(4)
100
Ω
220 nF
19
100
Ω
20
23
SCL
100
Ω
24
RLFSYN2 CLFSYN2
external
FM input
4.7 nF
Cde-em
n.c.
n.c.
SAW
SIF
X7550
SAW
VIF
M1980
NYQUIST SLOPE
FM PLL loop filter(2)
Rs
Cpar
Cs



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