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The Technician's EMI Handbook by Joseph Carr

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Chapter 12

EMI to Television, Cable TV, and VCR Equipment

For many people, EMI to video and television equipment is all there is to the subject. Video and TVI is easily seen or heard and is terribly irritating to a large number of people. In this chapter we will take a look at video/TV interference and what can be done about it. Considered will be antenna connected television receivers, cable television receivers, and VCR equipment.

THE BASIC TELEVISION RECEIVER

Before we can deal with television interference, we must first deal with the standard television system. In the United States and Canada we use NTSC television, while foreign countries use SECAM or PAL systems. Some wags tell us the U.S./Canada standard means “never twice same color,” ...

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