Articles by Mark Elo, Marketing Director of RF Products, Keithley Instruments

Commercial radio technology has reached an inflection point, similar to the transition from analog to digital, when we invented a whole range of digital technology; now we’re moving from single carrier technologies, where we transmit one digital symbol at a time, to a new paradigm, where we’re potentially transmitting hundreds of symbols simultaneously.

This paper will explain what OFDM is, why it’s important, where it’s used, and what test instrumentation is required to maintain it.

Orthogonal frequency division multiplexing (OFDM) is a form of digital modulation used in a wide array of communications systems. This paper will explain what OFDM is, why it’s important, where it’s used, and what test instrumentation is required to maintain it. Perhaps we should first explain what is so...