Chosen sources of signal interference in HD-TVI technology

The article presents characteristics of popular systems of CCTV and includes a description of basic groups of devices appearing in these systems. The research part contains analysis of interferences that may appear in HD-TVI technology which is one of the most modern technologies introduced in CCTV systems. There were examined video signal interferences caused by: impact of power supply, influence of the parameters of the transmission path and impact of external devices. There are discussed relevant methods of eliminating the examined irregularities.