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Nanowire-Based 3-D Transmission-Line Transformer for Millimeter-Wave Applications

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Autor(es):
Frutuoso, Tadeu M. ; Le, Joao ; Berthoud, Yoann ; Pinheiro, Julio M. ; Margalef-Rovira, Marc ; Ferrari, Philippe ; Rehder, Gustavo P. ; Serrano, Ariana L. C.
Número total de Autores: 8
Tipo de documento: Artigo Científico
Fonte: IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS; v. 32, n. 10, p. 4-pg., 2022-05-05.
Resumo

In this letter, 3-D transformers based on transmission lines (TLs) working at mm-wave frequencies are presented. They were realized in a low-cost technology based on metallic-filled nanoporous membranes. Several transformers were designed and measured with different numbers of turns, from 1 to 6 turns. They exhibit working frequencies from 14.5 up to 110 GHz. The 1-dB bandwidth (BW) of the realized transformers is better than 12 GHz, and the insertion loss (IL) is between 1.1 and 1.6 dB, thus demonstrating a high efficiency at mm-waves. Transformers could be further improved by better optimizing the TLs and their return current path, which is a key parameter to be considered, given the distributed nature of the proposed transformers. (AU)

Processo FAPESP: 16/25779-9 - EMU concedido no processo 2012/15159-2: Analisador Vetorial de Rede (VNA) até 70 GHz
Beneficiário:Ariana Maria da Conceicao Lacorte Caniato Serrano
Modalidade de apoio: Auxílio à Pesquisa - Programa Equipamentos Multiusuários
Processo FAPESP: 18/08782-1 - Sensores químicos miniaturizados e integrados: novas plataformas de fabricação para aplicações biológicas, clínicas e ambientais
Beneficiário:Mauro Bertotti
Modalidade de apoio: Auxílio à Pesquisa - Temático