Fairview Microwave Blog
RF Active Mixers Versus Passive Mixers
RF mixers are frequency conversion devices that are composed of nonlinear elements that allow for frequency “mixing” of RF, intermediate frequency (IF), and local oscillator (LO) signals. There are two main functions of RF mixers: either upconversion or downconversion. Upconversion is the process of combining two input signals, the IF and LO, to generate multiple combinations (the sum,...
Various Waveguide Types
Waveguides are some of the highest performing interconnect and passive components that can be used in RF systems. A waveguide efficiently transfers RF signal energy in a given band and can often handle extremely high-power levels due to a waveguide’s mostly conductive material (metal) construction. The main difference between a waveguide and a transmission line is the type of wave mode that is...