From the Richter scale to sound pressure, many modern units utilize the logarithmic “base 10” system. But to many engineers, the decibel (dB) remains one of the trickiest concepts of test and ...

In Decibels: Use with caution, I reviewed the concept of decibels as a ratio of two powers (and sometimes voltages). Decibels are also used to indicate absolute power and voltage levels by specifying ...

With the release of iOS 4.0.1 on Thursday, Apple instated changes to the way its iPhone handsets visualize bars representing cellular signal strength, doing away with a previously optimistic approach ...

The most common units of measurement taken from a Spectrum Analyzer are dBm and dBuV. Suppose a measurement is taken by a co-worker and the unit reported is dBuV and you need the measurement in dBm ...