tda9808t NXP Semiconductors, tda9808t Datasheet - Page 28

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tda9808t

Manufacturer Part Number
tda9808t
Description
Single Standard Vif-pll With Qss-if And Fm-pll Demodulator
Manufacturer
NXP Semiconductors
Datasheet

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(1) Depends on TV standard.
(2) See Table 3.
(3) De-emphasis circuitry for 75 s.
(4) See note 17 of Chapter “Characteristics (5 V supply)”.
input
IF
50
FILTER
FILTER
M9352
M3951
SAW
SAW
(1)
(1)
20
1
SIF
VIF
10 nF
19
2
TADJ
V P
18
Fig.14 Application circuit.
3
22
k
220
nF
C VAGC
T PLL
22 k
17
4
330
220
nF
100 nF
C SAGC
GND
16
TDA9808
5
15
nF
100
nF
V o AF
15
6
(3)
4.7
k
(2)
C DEC
22 k
14
7
R x
22
F
(4)
AFC
n.c.
13
8
AGC-output
1.35 V (p-p)
V o(vid)
tuner
12
9
11
10
V i FM
V o QSS
560
10 nF
5.6 k
4.5 MHz
MHA747
switch
mute
(1)

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