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參數(shù)資料
| 型號： | ADV7196 |
| 廠商： | Analog Devices, Inc. |
| 英文描述： | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| 中文描述： | 多格式逐行掃描/高清晰度電視編碼器三種11位DAC，10位數(shù)據(jù)輸入，以及Macrovision |
| 文件頁數(shù)： | 24/36頁 |
| 文件大?。?/td> | 501K |
| 代理商： | ADV7196 |
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REV. 0
ADV7196A
–24–
SHARPNESS FILTER AND ADAPTIVE FILTER
APPLICATION EXAMPLES
Sharpness Filter Application
The sharpness filter can be used to enhance or attenuate the Y
video output signal.
The following register settings were used to achieve the results
shown in the figures below:
Input data was generated by an external signal source
.
Table V.
Address
Register Setting
00hex
01hex
02hex
03hex
04hex
05hex
09hex
10hex
10hex
10hex
10hex
10hex
10hex
Mode Register 0
Mode Register 1
Mode Register 2
Mode Register 3
Mode Register 4
Mode Register 5
Mode Register 6
Filter Gain
Filter Gain
Filter Gain
Filter Gain
Filter Gain
Filter Gain
40hex
81hex
00hex
78hex
00hex
00hex
3Ehex
00hex
08hex
04hex
40hex
80hex
22hex
(a)
(b)
(c)
(d)
(e)
(f)
CH1
T
R2
R4
1
(B)
(C)
(A)
TEK RUN
T
TRIG
’
D
500mV
M 4.00 s
REF4
500mV
4.00 s
9.99976ms
T
CH1
ALL FIELDS
(a)
CH1
T
R2
R1
1
(E)
(F)
(D)
TEK RUN
T
TRIG
’
D
500mV
M 4.00 s
REF2
500mV
4.00 s
9.99976ms
T
CH1
ALL FIELDS
(b)
Figure 44. Sharpness Filter Control with Different Gain Settings for Filter Gain
The effect of the sharpness filter can also be seen when using the
internally generated cross hatch pattern
:
Table VI.
Address
Register Setting
00hex
01hex
02hex
03hex
04hex
05hex
09hex
Mode Register 0
Mode Register 1
Mode Register 2
Mode Register 3
Mode Register 4
Mode Register 5
Mode Register 6
00hex
85hex
00hex
38hex
00hex
00hex
3Ehex
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| ADV7196A | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7196AKS | Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7197 | Multiformat HDTV Encoder with Three 11-Bit DACs |
| ADV7197KST | Multiformat HDTV Encoder with Three 11-Bit DACs |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ADV7196A | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7196AKS | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat Progressive Scan/HDTV Encoder with Three 11-Bit DACs, 10-Bit Data Input, and Macrovision |
| ADV7197 | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat HDTV Encoder with Three 11-Bit DACs |
| ADV7197KS | 制造商:Analog Devices 功能描述:Video Encoder 3DAC 11-Bit 52-Pin MQFP 制造商:Rochester Electronics LLC 功能描述:MULTI-FORMAT HDTV ENCODER, 3 11-BIT DACS - Bulk |
| ADV7197KST | 制造商:AD 制造商全稱:Analog Devices 功能描述:Multiformat HDTV Encoder with Three 11-Bit DACs |
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