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SAF7118 Datasheet(PDF) 18 Page - NXP Semiconductors

Part # SAF7118
Description  Multistandard video decoder with adaptive comb filter and component video input
PDF  173 Pages
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

SAF7118 Datasheet(HTML) 18 Page - NXP Semiconductors

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2004 Jul 22
18
Philips Semiconductors
Product specification
Multistandard video decoder with adaptive
comb filter and component video input
SAF7118
8
FUNCTIONAL DESCRIPTION
8.1
Decoder
8.1.1
ANALOG INPUT PROCESSING
The SAF7118 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 Figs 5 and 8.
The anti-alias filters are adapted to the line-locked clock
frequency via a filter control circuit. The characteristic is
shown in Fig.4. During the vertical blanking period gain
and clamping control are frozen.
6
V
(dB)
−42
02
4
6
8
10
12
14
f (MHz)
MGD138
−6
−12
−18
−24
−30
−36
0
Fig.4 Anti-alias filter.



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