tda9885hn/v3 NXP Semiconductors, tda9885hn/v3 Datasheet - Page 40

• Manufacturer Part Number: tda9885hn/v3
• Description: I2c-bus Controlled Single And Multistandard Alignment-free If-pll Demodulators
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2003 Oct 02
handbook, full pagewidth
handbook, halfpage
I
alignment-free IF-PLL demodulators
Pin numbers for TDA9885HN and TDA9886HN in parenthesis.
Fig.11 Typical signal-to-noise ratio as a function of
2
(dB)
S/N
C-bus controlled single and multistandard
80
60
40
20
0
30
VIF input voltage.
TDA9885
TDA9886
V P
50
(23)
21
I AFC
70
V AFC
R1
22 k
R2
22 k
V i(VIF) (dB V)
90
V AFC
Fig.10 Typical analog AFC characteristic.
(V)
5
4
3
2
1
0
MHC112
36
110
37
40
handbook, halfpage
SC is sound carrier, with respect to sync level.
CC is chrominance carrier, with respect to sync level.
PC is picture carrier, with respect to sync level.
The sound carrier levels are take into account a sound shelf
attenuation of 14 dB (SAW filter G1984M).
lock range without SAW filter
21 dB
38
SC CC
13.2 dB
AFC window
38.71 39.09
BLUE
Fig.12 Input signal conditions.
38.9
3.2 dB
PC
TDA9885; TDA9886
40
21 dB
f (MHz)
SC CC
13.2 dB
Product specification
YELLOW
41
MHC113
10 dB
PC
0
I AFC
MHA739
( A)
100
100
200
200