Technology Survey: A Sampling of TWTAs, TWT Assemblies and MPMs

“This month’s survey covers traveling wave tubes (TWTs) and Microwave Power Modules (MPMs). For the past few decades, TWTs have been the most popular power amplifier for radar and radar jamming applications. The large global inventory of legacy radars and radar jammers means that TWTs will continue to be used for many years to come. In the 1990s, MPMs arrived on the scene and have slowly been replacing TWTs in many EW and radar applications. More recently, the rapid evolution of Gallium Nitride (GaN) technology has enabled EW designers to consider SSPAs for radar jamming applications. These technology developments have created a somewhat complex market for power amplifiers. This month, we will focus on TWTs and MPMs. (GaN-powered SSPAs will be covered in our August technology survey).”

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