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參數(shù)資料
| 型號(hào)： | MC7805BT |
| 廠商： | Fairchild Semiconductor Corporation |
| 元件分類(lèi)： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 3-Terminal 1A Positive Voltage Regulator |
| 中文描述： | 三端一正電壓調(diào)節(jié)器 |
| 文件頁(yè)數(shù)： | 2/8頁(yè) |
| 文件大?。?/td> | 129K |
| 代理商： | MC7805BT |
MC141622EVK
2
MOTOROLA
3. BOARD OPERATION
3.1 ACF–II Operating Mode
AFC–II has four operating modes. Any one of these modes can be selected using the digital code input
to MODE 0 and MODE 1 using ROTARY SW. The function of each mode is as follows.
(1) Normal fsc Mode
This is the mode for usual Y/C separation. It separates Y/C from the video signal that is input to the A/D
converter.
The coring parameter of the vertical enhancer can be set up by the digital code that is input to C0 – C3
(block level parameter), C4 – C7 (white level parameter), and D4 – D7 (noise slice level parameter).
The clock is a 3.579545 MHz subcarrier input to the CLK connector; the built–in 4x PLL generates 4xfsc
clock.
(2) Normal 4xfsc Mode
This mode is used for Y/C separation. It separates Y/C from the video signal that is input to the A/D con-
verter.
The coring parameter of the vertical enhancer can be set up by the digital code that is input to C0 – C3
(block level parameter), C4 – C7 (white level parameter), and D4 – D7 (noise slice level parameter).
The clock is 14.31818 MHz which is a 4x subcarrier input to the CLK connector.
(3) Digital Input Comb Filter Mode
This mode uses the A/D converter, filter, and D/A converter as two independent blocks. The digital data
converted by the A/D converter is output on C0 – C7. Data input on D0 – D7 is processed by the ACF–II.
Filtering is performed by the algorithm of ACF–II and the Y/C video is output as analog signals from Yout
and Cout. These two blocks can operate with input clock signals that have different frequencies or phases
and can be operated independently by using the CLK(AD) for the A/D converter, and the CLK input for
the D/A converter.
The clock is 14.31818 MHz which is a 4x subcarrier input to the CLK connector and the CLK(AD) con-
nector.
(4) Digital Output Comb Filter Mode
In addition to the normal Y/C analog outputs, the MC141622EVK can provide the Y/C signals as digital
luminance and chrominance signals. The digital luminance data is output on C0 – C7 and the digital
chrominance data is output on D0 – D7. This digital data can be modified by other digital processing.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MC7805BTG | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 5V 1A Postive RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線(xiàn)路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MC7805C | 制造商:Fairchild Semiconductor Corporation 功能描述: |
| MC7805CD2T | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 5V 1A Postive RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線(xiàn)路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MC7805CD2TG | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 5V 1A Postive RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線(xiàn)路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
| MC7805CD2TR4 | 功能描述:線(xiàn)性穩(wěn)壓器 - 標(biāo)準(zhǔn) 5V 1A Postive RoHS:否 制造商:STMicroelectronics 輸出類(lèi)型: 極性: 輸出電壓:1.8 V 輸出電流:150 mA 負(fù)載調(diào)節(jié): 最大輸入電壓:5.5 V 線(xiàn)路調(diào)整率: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-323-5L |
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