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...tions that are not "[[balanced]]" and employ a conductor held at "signal [[ground]]" potential to act as a [[signal return]]. ...conductor may be held at ground potential by being connected to the signal ground; it still can act as a return path for the signal ''current''.

...voltage potential on the grounds cause an undesired current to flow on the ground connections, which can lead to an interference signal being added to the de Any difference in the ground potential will result in a current flowing through the [[signal return]] of

...ssue, to disconnection of [[shield]] “[[ground]]” connections to eliminate ground loops.

...rical connection, which eliminates many interface “noise” issues such as [[ground loops.]] This played a large role in the adoption of the optical format for

...range (the voltage [[waveform]] can vary equally above and below signal [[ground]]. ...he micpre input transformer caused the signal voltages to be "centered" on ground (of equal positive and negative voltage range).

...te” and corresponds to the signal voltage changing between very close to [[ground]] or 0 volts and very close to the positive power supply voltage for the ci ...erence caused by electromagnetic or electrostatic pickup on the cable or [[ground loop]]s between equipment can also result in distortion of the waveform.

...to picture this is to take a known amount of water and raise it above the ground, like in town’s water tower. It takes energy to counteract the effects of ...it only manifests itself when the water moves to a lower height above the ground through a vertical column of water. In a vertical column of water the press