ON THE PROPERTIES OF COMBINATIONS OF PARAMETRIC ELEMENTS.
Scientific rept. no. 10
NEW YORK UNIV N Y LAB FOR ELECTROSCIENCE RESEARCH
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This paper discusses the properties of combinations of nonlinear elements, both resistive and reactive, under small signal conditions. A linear equivalent circuit and energy relations are derived for a circuit containing nonlinear resistance NR, nonlinear capacitance NC, and nonlinear inductance NL each pumped with an arbitary phase angle. Such circuits exhibit a number of useful properties not found in circuits having only a single nonlinear element. Among them are the possibility of unilateralization over a frequency band, parametric amplification with lower-frequency pumping and without using higher-order nonlinearities, and converters with considerably more up-converter gain. The conditions for such operation are discussed. Author