tda9898 NXP Semiconductors, tda9898 Datasheet - Page 10

• Manufacturer Part Number: tda9898
• Description: Multistandard Hybrid If Processing Semiconductors
• Manufacturer: NXP Semiconductors

NXP Semiconductors
TDA9897_TDA9898_3
Product data sheet
Fig 3. Block diagram of TDA9897 (continued in
AGCDIN
TAGC
IF3A
IF3B
IF1A
IF1B
IF2A
IF2B
i.c.
36
3
4
6
7
9
10
45
47
TDA9897
SDA
23
2
SCL
48
GND
24
TUNER
PEAK
AGC
SIF AGC
n.c.
i.c.
2, 5, 18, 37
14
VIF AGC
I
2
DECODER
C-BUS
FM peak
ADRSEL
DETECTOR
IF BASED
TUNER
RSSI
AGC
AND
25
8
CTAGC
Rev. 03 — 11 January 2008
BVS
TOPNEG
I
2
32
C-BUS
Figure
GNDD
22
4)
11
TOP2
optional tuner
AGC TOP for
IF based tuner
AGC and
radio signal
strength detector
onset
I
2
C-BUS TOP2
AND RSSI
ACQUISITION
VIF PLL
HELP
AND
Q
I
I
Q
sideband
sideband
TDA9897; TDA9898
VIF
AFC
Multistandard hybrid IF processing
NYQUIST
FILTER
SIDEBAND
13
LFVIF
FILTER
CARRIER
SOUND
TRAP
SYNTHESIZER
SYNTHESIZER
AND VCO
AND VCO
trap reference
LFSYN2
1
38
LFSYN1
© NXP B.V. 2008. All rights reserved.
EQUALIZER
GROUP
DELAY
standard
008aaa091
10 of 103
G
A
B
C
D
E
F