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LM1889

National Semiconductor
Part Number LM1889
Manufacturer National Semiconductor
Description LM1889 TV Video Modulator
Published Mar 22, 2005
Detailed Description LM1889 TV Video Modulator PRELIMINARY April 1987 LM1889 TV Video Modulator General Description The LM1889 is designed...
Datasheet PDF File LM1889 PDF File

LM1889
LM1889


Overview
LM1889 TV Video Modulator PRELIMINARY April 1987 LM1889 TV Video Modulator General Description The LM1889 is designed to interface audio color difference and luminance signals to the antenna terminals of a TV receiver It consists of a sound subcarrier oscillator chroma subcarrier oscillator quadrature chroma modulators and RF oscillators and modulators for two low-VHF channels The LM1889 allows video information from VTR’s games test equipment or similar sources to be displayed on black and white or color TV receivers When used with the MM57100 and MM53104 a complete TV game is formed Features Y dc channel switching Y 12V to 18V supply operation Y Excellent oscillator stability Y Low int...



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