From Wikipedia, the free encyclopedia Jump to: navigation , search For other uses, see DBM (disambiguation) A schematic showing the relationship between dBu (the voltage source ) and dBm (the power dissipated as heat by the 600 Ω resistor ...
From Wikipedia, the free encyclopedia (Redirected from DBu ) Jump to: navigation , search For other uses, see Decibel (disambiguation) . The decibel ( dB ) is a logarithmic unit of measurement that expresses the magnitude of a physical quantity (usually power or ...