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RGB Video Inverter

2014-12-02 09:24  
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View Full Size Image View Original Application NoteRGB Video Inverter

This circuit is useful for viewing photographic negatives on video. A single channel can be used for composite or monochrome video. The inverting amplifier stages are only switched in during active video so the blanking, sync and color burst (if present) are not disturbed. To prevent video from swinging negative, a voltage offset equal to the peak video signal is added to the inverted signal.

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