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參數資料
| 型號： | TDA8501T |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉換 |
| 英文描述： | PAL/NTSC encoder |
| 中文描述： | COLOR SIGNAL ENCODER, PDSO24 |
| 封裝： | PLASTIC, SOT-137AH1, 24 PIN |
| 文件頁數： | 8/30頁 |
| 文件大小： | 238K |
| 代理商： | TDA8501T |
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April 1993
8
Philips Semiconductors
Preliminary specification
PAL/NTSC encoder
TDA8501
C
HROMINANCE BLANKING
The signal outputs from the modulators are connected to
the signal input of the chrominance blanking circuit. To
avoid signal distortion that may be caused by the control
loop, the signal outputs of the modulators are blanked
during the sync period. This prevents signal distortion
during the adding of the sync pulse at the CVBS output
circuit.
B
ANDPASS FILTER
A wide symmetrical bandpass filter is used so that a
maximum performance of the chrominance for Y +C
(SVHS) is guaranteed. This wide curve is possible
because of the minimal signal level of the harmonics within
the modulators see Figs (PAL mode: 5 and 6);
(NTSC mode: 7 and 8) which illustrate the nominal
response for PAL and NTSC modes.
Fig.5
Band pass filter nominal frequency
response (PAL mode).
Fig.6
Band pass filter nominal frequency/group
delay response (PAL mode).
(1) frequency response.
(2) group delay.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TDA8505 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:SECAM encoder |
| TDA8510 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:26 W BTL and 2 x 13 W SE power amplifiers |
| TDA8510J | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:26 W BTL and 2 x 13 W SE power amplifiers |
| TDA8510J/N2,112 | 功能描述:音頻放大器 AMP POWER 26W 17-SIL RoHS:否 制造商:STMicroelectronics 產品:General Purpose Audio Amplifiers 輸出類型:Digital 輸出功率: THD + 噪聲: 工作電源電壓:3.3 V 電源電流: 最大功率耗散: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:TQFP-64 封裝:Reel |
| TDA8511 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:4 x 13 W single-ended power amplifiers |
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