With the roll-out of 5G expected in the very near future, the research activities of the industry’s key players are now well under way and have reached the point where custom mmwave components are being specified, designed and evaluated.
An essential component required to enable future mm-wave 5G systems is the Front End Module (FEM) providing the final stages of amplification in a transmitter and the earliest stages of amaplication in a receiver in time division duplex (TDD) systems.
The FEM must demonstrate high linearity in transmit mode (Tx) and low Noise Figure in receive mode (Rx).
Furthermore, as mm-wave 5G systems are likely to require multiple FEMs to be deployed in each terminal as part of a phased array or switched antenna beam architecture, they must also be highly efficient, compact and low cost. Ease of control and monitoring is also highly desirable in such applications.
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