参数资料
型号: ADV7343BSTZ
厂商: Analog Devices Inc
文件页数: 70/108页
文件大小: 0K
描述: IC ENCODER VIDEO W/DAC 64-LQFP
产品变化通告: ADV734x, ADV739x Feature Improvement
标准包装: 1
类型: 视频编码器
应用: DVD,Blu-Ray
电压 - 电源,模拟: 3.3V
电压 - 电源,数字: 1.8V
安装类型: 表面贴装
封装/外壳: 64-LQFP
供应商设备封装: 64-LQFP(10x10)
包装: 托盘
ADV7342/ADV7343
Data Sheet
Rev. | Page 64 of 108
f
e
d
a
b
c
1
R4
R2
CH1 500mV
M 4.00s
CH1
ALL FIELDS
REF A
500mV 4.00s
1
R2
R1
1
CH1 500mV
M 4.00s
CH1
ALL FIELDS
REF A
500mV 4.00s
1
9.99978ms
06399-
074
Figure 70. ED/ HD Sharpness Filter Control with Different Gain Settings for ED/HD Sharpness Filter Gain Values
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 52 are used to achieve the results shown in Figure 70.
Input data was generated by an external signal source.
Table 52. ED/HD Sharpness Control Settings for Figure 70
Subaddress
Register Setting
Reference1
0x00
0xFC
0x01
0x10
0x02
0x20
0x30
0x00
0x31
0x81
0x40
0x00
a
0x40
0x08
b
0x40
0x04
c
0x40
d
0x40
0x80
e
0x40
0x22
f
1
Adaptive Filter Control Application
The register settings in Table 53 are used to obtain the results
shown in Figure 72, that is, to remove the ringing on the input
Y signal, as shown in Figure 71. Input data is generated by an
external signal source.
Table 53. Register Settings for Figure 72
Subaddress
Register Setting
0x00
0xFC
0x01
0x38
0x02
0x20
0x30
0x00
0x31
0x81
0x35
0x80
0x40
0x00
0x58
0xAC
0x59
0x9A
0x5A
0x88
0x5B
0x28
0x5C
0x3F
0x5D
0x64
06399-
075
Figure 71. Input Signal to ED/HD Adaptive Filter
06399-
076
Figure 72. Output Signal from ED/HD Adaptive Filter (Mode A)
D
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