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LM1881N Folha de dados(PDF) 9 Page - Texas Instruments |
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LM1881N Folha de dados(HTML) 9 Page - Texas Instruments |
9 / 18 page LM1881 www.ti.com SNLS384F – FEBRUARY 1995 – REVISED MARCH 2013 MULTIPLE CONTIGUOUS VIDEO LINE SELECTOR WITH BLACK LEVEL RESTORATION The circuit in Figure 11 will select a number of adjoining lines starting with the line selected as in the previous example. Additional counters can be added as described previously for either higher starting line numbers or an increased number of contiguous output lines. The back porch pulse output of the LM1881 is used to gate the video input's black level through a low pass filter (10 k Ω, 10 µF) providing black level restoration at the video output when the output selected line(s) is not being gated through. Typical Applications Figure 10. Video Line Selector Copyright © 1995–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LM1881 |
Nº de peça semelhante - LM1881N |
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Descrição semelhante - LM1881N |
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