ADV7183AKST Analog Devices Inc, ADV7183AKST Datasheet - Page 30

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ADV7183AKST

Manufacturer Part Number
ADV7183AKST
Description
IC VIDEO DECODER NTSC 80-LQFP
Manufacturer
Analog Devices Inc
Type
Video Decoderr
Datasheet

Specifications of ADV7183AKST

Applications
Projectors, Recorders, Security
Voltage - Supply, Analog
3.15 V ~ 3.45 V
Voltage - Supply, Digital
1.65 V ~ 2 V
Mounting Type
Surface Mount
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant

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ADV7183A
Table 60. YSFM Function
YSFM[4:0]
0'0000
0'0001
0'0010
0'0011
0'0100
0'0101
0'0110
0'0111
0'1000
0'1001
0'1010
0'1011
0'1100
0'1101
0'1110
0'1111
1'0000
1'0001
1'0010
1'0011 (default)
1'0100
1'0101
1'0110
1'0111
1'1000
1'1001
1'1010
1'1011
1'1100
1'1101
1'1110
1'1111
WYSFM[4:0] Wide Band Y Shaping Filter Mode,
Address 0x18 [4:0]
The WYSFM[4:0] bits allow the user to manually select a
shaping filter for good quality video signals, for example, CVBS
with stable time base, luma component of YPrPb, luma
component of YC. The WYSFM bits are only active if the
WYSFMOVR bit is set to 1. See the general discussion of the
shaping filter settings in the Y Shaping Filter section.
Description
Automatic selection including a wide notch
response (PAL/NTSC/SECAM)
Automatic selection including a narrow
notch response (PAL/NTSC/SECAM)
SVHS 1
SVHS 2
SVHS 3
SVHS 4
SVHS 5
SVHS 6
SVHS 7
SVHS 8
SVHS 9
SVHS 10
SVHS 11
SVHS 12
SVHS 13
SVHS 14
SVHS 15
SVHS 16
SVHS 17
SVHS 18 (CCIR 601)
PAL NN 1
PAL NN 2
PAL NN 3
PAL WN 1
PAL WN 2
NTSC NN 1
NTSC NN 2
NTSC NN 3
NTSC WN 1
NTSC WN 2
NTSC WN 3
Reserved
Rev. B | Page 30 of 104
Table 61. WYSFM Function
WYSFM[4:0]
0'0000
0'0001
0'0010
0'0011
0'0100
0'0101
0'0110
0'0111
0'1000
0'1001
0'1010
0'1011
0'1100
0'1101
0'1110
0'1111
1'0000
1'0001
1'0010
1'0011 (default)
1'0100–1’1111
The filter plots in Figure 12 show the S-VHS 1 (narrowest) to
S-VHS 18 (widest) shaping filter settings. Figure 14 shows the
PAL notch filter responses. The NTSC-compatible notches are
shown in Figure 15.
–10
–20
–30
–40
–50
–60
–70
0
0
Figure 12. Y S-VHS Combined Responses
2
COMBINED Y ANTIALIAS, S-VHS LOW-PASS FILTERS,
Description
Do not use
Do not use
SVHS 1
SVHS 2
SVHS 3
SVHS 4
SVHS 5
SVHS 6
SVHS 7
SVHS 8
SVHS 9
SVHS 10
SVHS 11
SVHS 12
SVHS 13
SVHS 14
SVHS 15
SVHS 16
SVHS 17
Do not use
SVHS 18 (CCIR 601)
4
FREQUENCY (MHz)
Y RESAMPLE
6
8
10
12

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