@Article{RangelBaRoYaSiSc:2016:InInPu,
author = "Rangel, Elizete Gon{\c{c}}alves Lopes and Barroso de Castro,
Joaquim Jos{\'e} and Rossi, Jos{\'e} Osvaldo and Yamasaki,
Fernanda S. and Silva Neto, Lauro Paulo da and Schamiloglu, Edl",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de
Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas
Espaciais (INPE)} and {University of New Mexico}",
title = "Influence of Input Pulse Shape on RF Generation in Nonlinear
Transmission Lines",
journal = "IEEE Transactions on Plasma Science",
year = "2016",
volume = "44",
number = "10",
pages = "2258--2267",
month = "Oct.",
keywords = "Nonlinear components, nonlinear transmission lines (NLTLs), RF
generation, soliton, varactor diode.",
abstract = "Nonlinear transmission lines (NLTLs) are nonlinear LC ladder
networks that can act as a nonlinear and dispersive medium, thus
allowing the generation of soliton bursts. Several papers have
been published indicating that NLTLs offer a new option for pulse
shaping and RF generation. In this paper, we investigated the
response of an NLTL driven by three different pulse shapes: a
rectangular, a half sine, and a triangular waveform. The
performance of the NLTL was evaluated through time- and
frequency-domain analysis of the RF signal sampled at the 29th
section of a 30-section capacitive NLTL. The frequency of the
generated RF signal is correlated with the shape of the input
signal, whereby the output frequency can be adjusted by the
amplitude-time characteristics of the pulse at the input of the
capacitive NLTL. Higher frequency oscillations, around 30 MHz,
were generated by the rectangular wave train due to its shorter
rise time. The propagation of solitons along the NLTL is
influenced by the input pulse rise time. Namely, the rectangular
pulse showed smaller delay time as it had the shortest rise time
(less than 10 ns). Maximum efficiency was obtained for the input
pulsewidth of 150 ns under a duty cycle of 1/3 for the three pulse
shapes (rectangular, half sine, and triangular), and this
combination of parameters yielded the highest RF conversion
efficiency of the NLTL. The capacitive NLTL showed a higher RF
conversion efficiency (16.4%) when driven by the rectangular input
signal.",
doi = "10.1109/TPS.2016.2593606",
url = "http://dx.doi.org/10.1109/TPS.2016.2593606",
issn = "0093-3813",
language = "en",
targetfile = "rangel_influence.pdf",
urlaccessdate = "25 abr. 2024"
}