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Effective high power microwave amplifier design and system modeling require accurate nonlinear models, which, in turn, require measurement of at least 3 harmonics with NIST traceable phase reference between them. Exceeding a decade of measurement bandwidth at microwave frequencies can be problematic, and a fraction of a dB of calibration error can lead to 10's of percentage points of “disappointment”...
Nonlinear modeling of microwave diode is discussed in this paper. A measurement system is set up based on the conception of nonlinear scattering functions and the principle of measuring is introduced. A microwave schottky diode's partial scattering functions is extracted and compared with the simulated results in Serenade and results agree well. Nonlinear scattering functions can be used as a new...
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