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Challenges of Power Amplifier Characterization
5G implementation demands revolutionary transformation in communication technology. As a result, the wireless communications industry’s emphasis on system integration, power efficiency, and device reliability continues to grow. Critical requirements for 5G infrastructure, notably network densification and exponential consumer demand for electrified products, necessitate faster development of highly integrated, reliable radio-frequency (RF) devices.
An essential component of modern RF communication chains is the power amplifier (PA). A critical determining factor of transmission quality and battery life, PAs provide needed power to antennas. To satisfy 5G demands, designers must optimize PA performance and ensure it throughout production. However, the wide bandwidth and complex modulation schemes required to implement 5G impose stringent component error vector magnitude (EVM) qualifications. Manufacturers face increasing challenges in minimizing production cycles and certifying a device’s 5G conformance with a traditional EVM measurement vector signal analyzer (VSA) setup.
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