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Adjacent Channel Power (ACP) is a key spectral measurement, particularly for power amplifiers in modern wireless communication systems. This paper presents a definition of ACP and the current methodology for measuring it. We will propose an alternative way to use modular RF instruments to optimize the measurement performance of ACP, while keeping the measurement time low.
RF power amplifiers (PAs) exhibit nonlinear properties as their output power increases. These properties can degrade power efficiency, spectral quality, and modulation accuracy. In addition to nonlinear properties, the amplifier gain varies from device to device due to imperfections in the manufacturing process. During characterization, validation, and production testing, PAs are set to operate at...
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