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Increased network capacity and transmission speed has driven the development of many different wireless standards. Radio Frequency (RF) Technology has also been improving with the changing wireless standards. Such developments demand high linearity and power added efficiency from the RF Power Amplifier (RFPA). 5th Generation wireless standard (5G) is the next generation standard for mobile telecommunications...
The Nonlinear Vector Network Analyzer (NVNA) is the workhorse for nonlinear measurements. Also, during the development of new communications systems, such as 5G, dedicated test equipment is not available. Sampling and real-time oscilloscopes offer a lower cost alternative to the NVNA but require error corrections to improve their accuracy. NPL, NIST and other NMIs have advanced this area and we summarize...
This paper investigates the impact of frequency separation between RF channels on the non-linear behavioural model of a 30MHz to 2000MHz, 25W GaN Wide- Band Power Amplifier. Tests have been carried out under the presence of concurrent dual-band RF input signals. The measurement has been made with one channel (Channel-B) fixed at 1GHz, and the other channel (Channel-A) centred at different spectral...
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