Efficient generation of RF using a biased soliton generating nonlinear transmission line with a bipolar input

A method of generating more efficient RF from a soliton generating nonlinear lumped element, transmission line (NLETL) is presented.A bipolar input is coupled into an NLETL, which is DC, biased to the amplitude of the input pulse. The input evolves into a soliton containing pulse that would take twice as much power to produce from a unipolar input. Simulations demonstrate that, this method increases the maximum RF generating efficiency of an NLETL from 1/3 for a unipolar input pulse to 2/3 for a bipolar input pulse to a biased line, in agreement with simple analytical arguments. © 2010 Wiley Periodicals, Inc. Microwave Opt Technol Lett 52: 1411–1413, 2010; Published online in Wiley InterScience (www.interscience. wiley.com). DOI 10.1002/mop.25170