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Power amplifier designs for mobile handsets are becoming more complex, which directly impacts test demands and the cost of test. Complexity increases with the introduction of new, wider bandwidth standards and the increased number of radios to each device. At the same time, demand for improved battery life is driving efficiency improvements, such as digital pre-distortion and envelope tracking. Business issues, such as pressure to reduce prices of these devices places greater demands on engineering teams producing power amplifiers.
Engineers who test mobile power amplifiers and front end modules from design through production are looking for solutions to reduce test cost through maximizing speed and throughput while ensuring that the devices meet required performance levels.
This application note provides an overview of the key issues in a power amplifier and front end module test system related to the RF signal analyzer and generator. It then offers a PXI based hardware and software solution for achieving fast test throughput.
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