If multiple signals are transmitted, the circuit will require one conductor for each signal plus one shared ground connection thus, for example, 16 signals can be transmitted using 17 conductors. The current associated with the signal travels from sender to receiver and returns to the power supply through the ground connection. One conductor carries the signal and one conductor carries the common reference potential. The electrical signal is transmitted by a voltage (often a varying voltage), which is referenced to a fixed potential, usually a 0 V node referred to as "ground." Single-ended signaling is a simple and common way of transmitting an electrical signal from a sender to a receiver. The Basics: Single-Ended and Differential Signalingįirst, we have to learn some basics about what single-ended signaling is before we can go over differential signaling and its characteristics. Learn about the important characteristics, benefits, and applications of differential signaling, as well as the proper layout techniques for differential signals.
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