http://www.cnr.it/ontology/cnr/individuo/prodotto/ID184173

High power handling superconducting planar filters for telecommunication applications (Articolo in rivista)

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High power handling superconducting planar filters for telecommunication applications (Articolo in rivista) (literal)

Anno

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Alternative label

A.Cassinese, A.Andreone, P.Orgiani, F.Palomba, G.Pica, R.Vaglio, G.Panariello, F.Schettino, M.Cirillo, R.Russo (2000)
High power handling superconducting planar filters for telecommunication applications
in International journal of modern physics b; World Scientific Publ. Co. Pte. Ltd., Singapore (Singapore)
(literal)

Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori

A.Cassinese, A.Andreone, P.Orgiani, F.Palomba, G.Pica, R.Vaglio, G.Panariello, F.Schettino, M.Cirillo, R.Russo (literal)

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1. INFM, Unita Napoli, Naples, Italy 2. Univ Naples Federico II, Dipartimento Ingn Elettron, Naples, Italy 3. INFM, Unita Roma, Rome, Italy 4. Univ Roma Tor Vergata, Rome, Italy (literal)

Titolo

High power handling superconducting planar filters for telecommunication applications (literal)

Abstract

Passive microwave filters based on HTS films are very promising for telecommunication applications. We report on the design, obtained using a commercial 2.5D software, and the realization of filters, fabricated with double sided YBCO films grown on LaAlO3 substrates, for both receiving and transmission systems. For the receiving side, planar multi-pole interdigital L-band filters with 75 MHz transmission bandwidths have been fabricated on 2\" substrates. Up to 80 K this kind of filter, based an a Tchebischev response, shows an insertion lass lower than 0.5 dB with a ripple of 0.3 dB for a maximum input power of 2 Watts. For the transmitting side, dual-mode filters represent one of the main interesting configuration to exploit since they can combine a high power handling capability with miniaturization requirements. A navel kind of dual-mode C-band filter based on cross slotted square resonators is presented. The novelty of the proposed structure is to use a pair of unequal crossed slots that are formed on a square patch resonator such that its structure size can be significantly reduced. A prototypal device operating at 3.7 GHz is fabricated with different type of couplings on 10x10mm(2) LaAlO3 substrate to showcase our proposal. The behavior of the tilter as a function of the input power has been tested up to 2 Watts limited by the amplified power supply. (literal)

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