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LM1886

National Semiconductor
Part Number LM1886
Manufacturer National Semiconductor
Description TV Video Matrix D to A
Published Mar 22, 2005
Detailed Description LM1886 TV Video Matrix D to A April 1987 LM1886 TV Video Matrix D to A General Description The LM1886 is a TV video m...
Datasheet PDF File LM1886 PDF File

LM1886
LM1886


Overview
LM1886 TV Video Matrix D to A April 1987 LM1886 TV Video Matrix D to A General Description The LM1886 is a TV video matrix D to A converter which encodes luminance and color difference signals from 3-bit red green and blue inputs The luminance output is encoded from the NTSC equation Y e 0 3R a 0 59G a 0 11B and the R-Y and B-Y outputs are weighted to prevent overmodulation A built-in R-Y and burst gate polarity switch allow European PAL compatible signals to be encoded All output levels including an RF O Carrier Bias Voltage have been referenced to 5V for direct connection to the LM1889 TV video modulator When used in combination with the LM1889 and a suitable sync generator 3-bit R G an...



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