TDA9898HL/V3 NXP [NXP Semiconductors], TDA9898HL/V3 Datasheet - Page 8

• Manufacturer Part Number: TDA9898HL/V3
• Description: Multistandard hybrid IF processing
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
6. Block diagram
TDA9897_TDA9898_4
Product data sheet
Fig 1.
AGCDIN
CIFAGC
TAGC
IF3A
IF3B
IF1A
IF1B
IF2A
IF2B
i.c.
Block diagram of TDA9898 (continued in
36
3
4
6
7
9
10
5
45
47
TDA9898
SDA
23
SCL
TOP1
24
TUNER
PEAK
AGC
i.c.
48
GND
14
I
2
n.c.
C-BUS
DECODER
2, 18, 37
SIF AGC
VIF AGC
L STANDARD
ADRSEL
DETECTOR
TUNER
RSSI
AND
AGC
25
8
CTAGC
FM peak
AM average
BVS
32
TOPNEG
I
TOP2
2
Rev. 04 — 25 May 2009
C-BUS
GNDD
Figure
22
11
TOP2
2)
I
2
SYNTHESIZER
optional tuner
AGC TOP for
positive
modulation and
radio signal
strength detector
onset
C-BUS TOPPOS
ACQUISITION
AND RSSI
VIF PLL
HELP
VCO
standard
VIF AFC
13
LFVIF
TDA9897; TDA9898
Multistandard hybrid IF processing
1
LFSYN2
CARRIER
SOUND
TRAP
SYNTHESIZER
Q
I
Q
I
AND VCO
trap reference
sideband
sideband (L-accent)
SIDEBAND
NYQUIST
FILTER
FILTER
38
LFSYN1
EQUALIZER
GROUP
© NXP B.V. 2009. All rights reserved.
DELAY
001aai732
standard
8 of 103
34
GDS
A
B
C
D
E
G
H
F
J