Abstract:In this study, we fabricated a low‐cost, miniaturized reflectometry system using a left‐handed nonlinear transmission line (LH‐NLTL) and compared its performance with that of a commercial vector network analyzer (VNA). In the system, we used the LH‐NLTL as a frequency translator to replace a bulky and expensive frequency synthesizer. In addition, instead of using a bulky broadband coupler, we used a compact resistive coupler to minimize the size of the overall system. To improve system accuracy, we employed a … Show more
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