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When transmitting video between passive NVT transceivers, the video is wavy and there is a dark bar that rolls upward on the monitor. Why?

April 26, 2017bar Dark nvt passive rolls transceivers transmitting upward video wavy

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When transmitting video between passive NVT transceivers, the video is wavy and there is a dark bar that rolls upward on the monitor. Why?

1 Answer

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Posted

This is the result of a ground loop. Use an amplified receiver (which has built-in ground lifting), or remove the ground at the camera end. Be sure that floating the camera conforms to local/regional and National Electrical Codes.