TDA9898HL/V3 NXP [NXP Semiconductors], TDA9898HL/V3 Datasheet - Page 94
![no-image](/images/no-image-200.jpg)
TDA9898HL/V3
Manufacturer Part Number
TDA9898HL/V3
Description
Multistandard hybrid IF processing
Manufacturer
NXP [NXP Semiconductors]
Datasheet
1.TDA9898HLV3.pdf
(103 pages)
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NXP Semiconductors
14. Test information
TDA9897_TDA9898_4
Product data sheet
Fig 51. Test circuit of TDA9897 and TDA9898
RSSI and positive modulation
(1) Switch-off resistor connected if external reference signal is not used.
(2) Switch-off resistor connected if crystal is not used.
(3) Use of crystal is optional.
(4) Application depends on synthesizer frequency; see
(5) Application of FM PLL loop filter; see
(6) Capacitor connected only for TDA9898.
(7) Pull-up resistor connected only for port function.
VIF/SIF/DIF
VIF/SIF/DIF
TOP potentiometer for
SIF/DIF
downconverter
synthesizer
loop filter
R LFSYN2 C LFSYN2
51
51
51
PORT1
+5 V
(4)
1
2
1
2
1
2
1 : 1
1 : 1
1 : 1
3
3
3
2.7 k (7)
5
4
5
4
5
4
C IFAGC (6)
C CTAGC
470 nF
100 nF
22 k
n.c.
22 pF
loop filter
1
2
3
4
5
6
7
8
9
10
11
12
VIF
48
13
C TAGC
100 nF
100
220 nF
14
output
tuner
AGC
47
sound BPF
output to
Table
15
C FREF
100 pF
reference
54.
4 MHz
input
46
MPP
Rev. 04 — 25 May 2009
16
from sound BPF
22 k (1)
FM input
Table
i.c.
45
17
+5 V
V
44
P
57.
2.7 k (7)
= 5 V
loop filter
TDA9897
TDA9898
FM PLL
43
18
PORT3
42
C par
(5)
19
41
ground
analog
3.3 k (2)
R s
C s
40
20
TDA9897; TDA9898
C de-em
4.7 nF
39
FM input
external
Multistandard hybrid IF processing
22 pF
4 MHz (3)
21
ground
synthesizer
trap control
digital
loop filter
22
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
470 nF
1.5 nF
C AF
2 V CVBS
output
BVS
AUD
(b)
(a)
(b)
(a)
ADRSEL
2.7 k (7)
© NXP B.V. 2009. All rights reserved.
AGC input for DIF
(from channel decoder)
digital LIF or
analog 2nd
sound IF
1st DIF
+5 V
PORT2
001aai819
94 of 103
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