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Analysis and calculation of current-flow amplitude spectrum of a microwave mixer diode at poly-harmonic excitation

A. P. Voloshin, G. A. Iena, Yu. G. Nikitenko


A new approximating function in the form of a fifth-order polynomial is obtained for the current-voltage characteristic of a mixer diode with Schottky barrier and with compensation of potential barrier of p-n-junction. Mathematical expressions are set up and relative levels calculated for the amplitude spectrum of harmonic and combinative components of the current in a mixer diode excited by four independent signals with different frequencies. The conditions for minimum of the combinative components are formulated for a wide dynamic range of input signals.

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