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參數資料
型號: ADV7341
廠商: Analog Devices, Inc.
英文描述: Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS
中文描述: 多格式視頻編碼器,6個12位噪聲整形視頻㈢交叉連接系統
文件頁數: 60/88頁
文件大小: 1066K
代理商: ADV7341
ADV7340/ADV7341
Rev. 0 | Page 60 of 88
f
e
d
a
b
c
1
R4
R2
CH1
500mV
REF A
M 4.00μs
9.99978ms
CH1
ALL FIELDS
500mV 4.00μs
Figure 73. ED/ HD Sharpness Filter Control with Different Gain Settings for ED/HD Sharpness Filter Gain Values
1
R2
R1
1
CH1
500mV
REF A
M 4.00μs
9.99978ms
CH1
ALL FIELDS
500mV 4.00μs
1
0
ED/HD SHARPNESS FILTER AND ADAPTIVE FILTER
APPLICATION EXAMPLES
Sharpness Filter Application
The ED/HD sharpness filter can be used to enhance or
attenuate the Y video output signal. The register settings in
Table 47 were used to achieve the results shown in Figure 73.
Input data was generated by an external signal source.
Table 47. ED/HD Sharpness Control
Subaddress
0x00
0x01
0x02
0x30
0x31
0x40
0x40
0x40
0x40
0x40
0x40
Register Setting
0xFC
0x10
0x20
0x00
0x81
0x00
0x08
0x04
0x40
0x80
0x22
Reference
1
a
b
c
d
e
f
1
See Figure 73.
Adaptive Filter Control Application
The register settings in Table 48 are used to obtain the results
shown in Figure 75, that is, to remove the ringing on the input
Y signal, as shown in Figure 74. Input data is generated by an
external signal source.
Table 48. Register Settings for Figure 75
Subaddress
0x00
0x01
0x02
0x30
0x31
0x35
0x40
0x58
0x59
0x5A
0x5B
0x5C
0x5D
Register Setting
0xFC
0x38
0x20
0x00
0x81
0x80
0x00
0xAC
0x9A
0x88
0x28
0x3F
0x64
0
Figure 74. Input Signal to ED/HD Adaptive Filter
0
Figure 75. Output Signal from ED/HD Adaptive Filter (Mode A)
相關PDF資料
PDF描述
ADV7341BSTZ Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS
ADV7341EBZ Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS
ADV7343BSTZ Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
ADV7342 Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
ADV7342BSTZ Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
相關代理商/技術參數
參數描述
ADV7341BSTZ 制造商:Analog Devices 功能描述:Video Encoder 6DAC 12-Bit 64-Pin LQFP Tray 制造商:Analog Devices 功能描述:MULTI-FORMAT VIDEO ENCODER SIX 12-BIT NOISE SHAPED VIDEO DAC - Bulk
ADV7341EBZ 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Video Encoder, Six 12-Bit Noise Shaped Video㈢ DACS
ADV7342 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
ADV7342BSTZ 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
ADV7343 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Video Encoder Six, 11-Bit, 297 MHz DACs
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