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In this article, we have reviewed various advanced broadband and pulsed measurement techniques which have been developed for sampler-based NVNAs. We have seen that the RF modulation capability of sampler based NVNAs was not limited by the IF bandwidth of its receiver. Two methods for pulsed-RF, pulsed-bias measurements were also presented. The method based on the concept of multiple recordings enables...
Real-time active load-pull (RTALP) characterization of power transistors with a large signal network analyzer (LSNA) has the benefit of greatly accelerating the design of power amplifiers. However RTALP has been so far limited to devices operating under CW excitations and constant biasing and was therefore mostly applicable to transistors with small memory effects. In TDMA communication or radar systems,...
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