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參數(shù)資料
| 型號： | TDA8501 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顏色信號轉(zhuǎn)換 |
| 英文描述： | PAL/NTSC encoder |
| 中文描述： | COLOR SIGNAL ENCODER, PDIP24 |
| 封裝： | PLASTIC, SDIP-24 |
| 文件頁數(shù)： | 8/30頁 |
| 文件大小： | 238K |
| 代理商： | TDA8501 |
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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.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TDA8501T | PAL/NTSC encoder |
| TDA8505 | SECAM encoder |
| TDA8510 | 26 W BTL and 2 x 13 W SE power amplifiers |
| TDA8510J | 26 W BTL and 2 x 13 W SE power amplifiers |
| TDA8511 | 4 x 13 W single-ended power amplifiers |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TDA8501/N1,112 | 功能描述:IC ENCODER PAL/NTSC 24-DIP RoHS:是 類別:集成電路 (IC) >> 接口 - 編碼器，解碼器，轉(zhuǎn)換器 系列:- 產(chǎn)品變化通告:Development Systems Discontinuation 26/Apr/2011 標準包裝:1 系列:- 類型:編碼器 應(yīng)用:DVB-S.2 系統(tǒng) 電壓 - 電源，模擬:- 電壓 - 電源，數(shù)字:- 安裝類型:- 封裝/外殼:模塊 供應(yīng)商設(shè)備封裝:模塊 包裝:散裝 其它名稱:Q4645799 |
| TDA8501T | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:PAL/NTSC encoder |
| 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 |
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