saa7118 NXP Semiconductors, saa7118 Datasheet - Page 16
saa7118
Manufacturer Part Number
saa7118
Description
Multistandard Video Decoder With Adaptive Comb Filter And Component Video Input
Manufacturer
NXP Semiconductors
Datasheet
1.SAA7118.pdf
(170 pages)
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Philips Semiconductors
8. Functional description
9397 750 15219
Product data sheet
8.1.1 Analog input processing
8.1 Decoder
The SAA7118 offers sixteen analog signal inputs, four analog main channels with source
switch, clamp circuit, analog amplifier, anti-alias filter and video 9-bit CMOS ADC with a
Decimation Filter (DF); see
The anti-alias filters are adapted to the line-locked clock frequency via a filter control
circuit. The characteristic is shown in
and clamping control are frozen.
Fig 4. Anti-alias filter
Fig 5. Decimation filter
(dB)
(dB)
G
V
12
18
24
30
36
42
48
12
18
24
30
36
42
6
0
6
6
0
6
0
0
2
2
Rev. 06 — 22 December 2005
Figure 5
4
4
Multistandard video decoder with adaptive comb filter
and
Figure
6
6
Figure
4. During the vertical blanking period gain
6.
8
8
10
10
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
12
12
SAA7118
f (MHz)
f (MHz)
mgd138
mbl753
14
14
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