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參數(shù)資料
| 型號： | AN1943 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Improving the Performance of the MAX4455 by Reducing On-Screen Display Artifacts |
| 中文描述： | 通過減少屏幕顯示其他文物MAX4455性能 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 211K |
| 代理商： | AN1943 |
Circuit Solution
With the circuit modification shown in Figure 2, the trailing black level will be replaced with a
trailing white level. If this white level equals the OSDFILL level then the trail effectively
disappears, eliminating the finite switch time effect. This is shown in Figure 3. The resistor
divider formed by R14 and R sets the brightness of the trailing white level, which can be set to
equal the brightness of OSDFILL. When R equals 453 ohms, then the trailing white level is
nominally 100 IRE. Figure 2 shows a modification to only one of eight channels. Four
MAX4616s can be used to improve all eight channels of the MAX4455.
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