Handbook for Sound Engineers, 4th Edition

Chapter 32

Grounding and Interfacing

by Bill Whitlock

32.1 Introduction

32.2 Basic Electronics

32.2.1 Circuit Theory

32.2.2 ac Circuits

32.2.3 Capacitance, Inductance, and Impedance

32.2.4 Single Wires

32.2.5 Cables and Transmission Lines

32.3 Electronics of Interfaces

32.3.1 Balanced and Unbalanced Interfaces

32.3.2 Voltage Dividers and Impedance Matching

32.3.3 Line Drivers and Cable Capacitance

32.3.4 Capacitive Coupling and Shielding

32.3.5 Inductive Coupling and Shielding

32.4 Grounding

32.4.1 Earth Grounding

32.4.2 Fault or Safety Grounding

32.4.3 Signal Grounding and EMC

32.4.4 Grounding and System Noise

32.4.4.1 Power Line Noise

32.4.4.2 Parasitic Capacitances and Leakage Current Noise

32.4.4.3 Parasitic Transformers and Inter-Outlet ...