There are two types of digital input, differentiated by their power source: isolated and non-isolated. Non-isolated inputs are powered by a common source. For example, the wiring diagram shows a ...

Tips on analog tape, tape recorders, tape bias, logic inputs, and logic control Nov 1, 2007 12:00 PM, By John Landry, CSRE Analog Tape Part 2, Electronics Figure 1. The standardized tape recording and ...