BA7230LS - NTSC color TV signal encoder

Datasheet Details

1) Allows superimposition of video images (VIDEO IN) and computer images (RGB IN). 2) During superimposition, the subcarrier locked onto the video input burst signal RGB is modulated with the RGB signals by the APC circuit, preventing unnatural color disturbance due to switching. 3) Both the RGB and video input signals are pedestalclamped, maintaining a natural image even during fluctuation in luminosity. 4) Using a half down pulse, the video signal can be reduced by 5dB to darken the.

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Published: Apr 1, 2005 |