tda9898 NXP Semiconductors, tda9898 Datasheet - Page 92
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tda9898
Manufacturer Part Number
tda9898
Description
Multistandard Hybrid If Processing Semiconductors
Manufacturer
NXP Semiconductors
Datasheet
1.TDA9898.pdf
(103 pages)
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NXP Semiconductors
TDA9897_TDA9898_3
Product data sheet
Fig 49. Application diagram of TDA9897 using SAW filter with Nyquist slope
(1) Connect resistor if external reference signal is not used.
(2) Connect resistor if crystal is not used.
(3) Use of crystal is optional.
(4) Application depends on synthesizer frequency; see
(5) Value depends on application.
(6) Optional.
(7) See
IF
downconverter
loop filter
synthesizer
R LFSYN2 C LFSYN2
Table
NYQUIST SLOPE
(4)
X7550
M1980
54.
SAW
SAW
SIF
VIF
(6)
MPP1
C CTAGC
390 nF
22 pF
n.c.
n.c.
(5)
(5)
1 nF
C TAGC
loop filter
220 nF
1
2
3
4
5
6
7
8
9
10
11
12
VIF
48
13
330
220 nF
output
14
tuner
AGC
47
15
C FREF
100 pF
560
reference
4 MHz
input
46
MPP2
16
BP
Rev. 03 — 11 January 2008
22 k (1)
i.c.
45
17
560
V
44
Table
(6)
P
= 5 V
loop filter
TDA9897
43
FM PLL
18
57.
n.c.
42
C par
(7)
41
19
ground
analog
3.3 k (2)
R s
C s
40
20
C de-em
4.7 nF
39
FM input
external
22 pF
4 MHz (3)
TDA9897; TDA9898
21
ground
synthesizer
digital
trap control
loop filter
22
Multistandard hybrid IF processing
38
SDA
23
470
100 nF
100
SCL
n.c.
37
24
36
35
34
33
32
31
30
29
28
27
26
25
100
ADRSEL
n.c.
470 nF
1.5 nF
C AF2
C AF1
AGC input for DIF
(from channel decoder)
2 V CVBS
output
BVS
AUD
(6)
(6)
(6)
(6)
© NXP B.V. 2008. All rights reserved.
(b)
(a)
(b)
(a)
008aaa094
digital LIF or
ZIF I or
analog 2nd
sound IF
ZIF Q or
1st DIF
92 of 103