Solve elec setup
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This is often referred to as electrostatic noise and is a voltage-based effect. It pays to understand them and how they differ one from the other because a lot of the troubleshooter's job will be to identify which coupling effect is dominant in a particular situation. There are four basic mechanisms of noise coupling. One of the benefits of 60 Hz is that it's a low enough frequency that power circuits can be treated (almost) like dc circuits. The second concept is that we can no longer stay in the realm of 60 Hz.The first is that electrical effects do not require direct connection (such as through copper conductors) to occur.To lessen the mystery, there are two key concepts to understand: Noise is one of the more mysterious subjects in power quality, especially since it must be considered with its equally mysterious twin, grounding. The signal-to-noise ratio describes how much noise a circuit can tolerate before the valid information, the signal, becomes corrupted. The lower the signal voltage, the less the amplitude of the noise voltage that can be tolerated. Signal and data circuits are particularly vulnerable to noise because they operate at fast speeds and with low voltage levels. Noise occurs on both power and signal circuits, but generally speaking, it becomes a problem when it gets on signal circuits. Electrical noise is the result of more or less random electrical signals getting coupled into circuits where they are unwanted, i.e., where they disrupt information-carrying signals.