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In today’s wireless systems, frequency spectrum presents a finite resource. Complex modulation schemes improve spectral efficiency, but they cause distortions. Characterizing RF devices requires testing unwanted and nonlinear distortion caused by distortion products that degrade the modulation quality and interfere with other receivers.
Stimulus-response measurements provide a straightforward method for evaluating the performance of RF devices. They require a stimulus input test signal and acquisition of the output signal for further analysis. You can then assess and troubleshoot the differences between the input and output signals to determine the origination of the variances. In this paper, we will discuss common stimulus-response measurements and how they can help you characterize and troubleshoot your RF designs.
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