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A compact and reconfigurable GaN HEMT power amplifier using thin-film BST varactors, mounted inside a customized RF package is presented. With tuning of input and output matching networks several advanced functionalities, e.g. efficient back-off operation, frequency agility, VSWR protection, and post tuning of mismatched loads can be realized. Two prototypes were manufactured and measured on a probe...
In the growing field of biosensing, the dielectric analysis of liquids and cell suspensions has become an important research topic. This paper suggests a novel calibration scheme for capacitive sensors, which exclusively relies on liquids instead of conventional termination standards. Moreover, the influence of several parameters on the reliability of the measurements is investigated by simulation...
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