Wiring of Data Systems for Minimum Noise

Proper wiring minimizes noise sources due to the undesirable coupling of circuits in a data system. Construction of a system central ground for minimum ground-resistance coupling is described. To eliminate other commonresistance coupling, this type construction is specified for all system nodes. Proper location of the ground and node structure permits wiring all noise sensitive circuits with twisted cable, thus minimizing coupling through mutual inductance. Proper shielding, for protection from electrostatic interference, is simplified by this construction. A set of explicit wiring rules, which implement this method, is given. Examples of the application of these rules are included.