Miniaturised and harmonic-suppressed rat-race couplers based on slow-wave transmission lines
Altres ajuts: JANDALUCIA/P12-TIC-1435 In this study, a compact rat-race hybrid coupler with harmonic suppression based on slow-wave transmission lines (SW-TLs) is presented. Such artificial lines are implemented by periodic loading a host microstrip line with series meandered inductors and shunt pat...
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| creator | Selga Ruiz, Jordi Coromina, Jan Vélez Rasero, Paris Fernández-Prieto, Armando Bonache Albacete, Jordi Martín, Ferran |
| description | Altres ajuts: JANDALUCIA/P12-TIC-1435
In this study, a compact rat-race hybrid coupler with harmonic suppression based on slow-wave transmission lines (SW-TLs) is presented. Such artificial lines are implemented by periodic loading a host microstrip line with series meandered inductors and shunt patch capacitors. The presence of both loading elements has a twofold effect, i.e. phase velocity reduction (due to the enhancement of the effective inductance and capacitance of the periodic line), and the generation of a controllable stopband in the frequency response (due to the Bragg effect, inherent to periodicity). It is shown that by designing the unit cell of the periodic line with an electrical length of 45°, at least the first five harmonic bands of the rat-race coupler are efficiently suppressed, keeping the band of interest unaltered. Moreover, 79% size reduction, as compared to the ordinary coupler, is achieved in the reported SW-TL-based prototype |
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In this study, a compact rat-race hybrid coupler with harmonic suppression based on slow-wave transmission lines (SW-TLs) is presented. Such artificial lines are implemented by periodic loading a host microstrip line with series meandered inductors and shunt patch capacitors. The presence of both loading elements has a twofold effect, i.e. phase velocity reduction (due to the enhancement of the effective inductance and capacitance of the periodic line), and the generation of a controllable stopband in the frequency response (due to the Bragg effect, inherent to periodicity). It is shown that by designing the unit cell of the periodic line with an electrical length of 45°, at least the first five harmonic bands of the rat-race coupler are efficiently suppressed, keeping the band of interest unaltered. Moreover, 79% size reduction, as compared to the ordinary coupler, is achieved in the reported SW-TL-based prototype</description><language>eng</language><subject>Frequency response ; Harmonics suppression ; Microstrip couplers ; Microstrip lines</subject><creationdate>2019</creationdate><rights>open access Tots els drets reservats https://rightsstatements.org/vocab/InC/1.0</rights><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>230,780,885,26974</link.rule.ids><linktorsrc>$$Uhttps://recercat.cat/handle/2072/504535$$EView_record_in_Consorci_de_Serveis_Universitaris_de_Catalunya_(CSUC)$$FView_record_in_$$GConsorci_de_Serveis_Universitaris_de_Catalunya_(CSUC)$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Selga Ruiz, Jordi</creatorcontrib><creatorcontrib>Coromina, Jan</creatorcontrib><creatorcontrib>Vélez Rasero, Paris</creatorcontrib><creatorcontrib>Fernández-Prieto, Armando</creatorcontrib><creatorcontrib>Bonache Albacete, Jordi</creatorcontrib><creatorcontrib>Martín, Ferran</creatorcontrib><title>Miniaturised and harmonic-suppressed rat-race couplers based on slow-wave transmission lines</title><description>Altres ajuts: JANDALUCIA/P12-TIC-1435
In this study, a compact rat-race hybrid coupler with harmonic suppression based on slow-wave transmission lines (SW-TLs) is presented. Such artificial lines are implemented by periodic loading a host microstrip line with series meandered inductors and shunt patch capacitors. The presence of both loading elements has a twofold effect, i.e. phase velocity reduction (due to the enhancement of the effective inductance and capacitance of the periodic line), and the generation of a controllable stopband in the frequency response (due to the Bragg effect, inherent to periodicity). It is shown that by designing the unit cell of the periodic line with an electrical length of 45°, at least the first five harmonic bands of the rat-race coupler are efficiently suppressed, keeping the band of interest unaltered. Moreover, 79% size reduction, as compared to the ordinary coupler, is achieved in the reported SW-TL-based prototype</description><subject>Frequency response</subject><subject>Harmonics suppression</subject><subject>Microstrip couplers</subject><subject>Microstrip lines</subject><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><sourceid>XX2</sourceid><recordid>eNqdy0EKwjAQBdBsXIh6h1wgUFuDBxDFjTuXQhmnIw6kSZlJ7PU1ILh38fn8B39pbheODLkIKw0W4mCfIGOKjE7LNAlpdYHsBJAspjIFErV3qJ6i1ZBmN8OLbBaIOrIqfzhwJF2bxQOC0ubbK7M9Ha-Hs0Mt2AshCULuE_Bv1LTNvu19s_Od7_75vAEgJEnS</recordid><startdate>2019</startdate><enddate>2019</enddate><creator>Selga Ruiz, Jordi</creator><creator>Coromina, Jan</creator><creator>Vélez Rasero, Paris</creator><creator>Fernández-Prieto, Armando</creator><creator>Bonache Albacete, Jordi</creator><creator>Martín, Ferran</creator><scope>XX2</scope></search><sort><creationdate>2019</creationdate><title>Miniaturised and harmonic-suppressed rat-race couplers based on slow-wave transmission lines</title><author>Selga Ruiz, Jordi ; Coromina, Jan ; Vélez Rasero, Paris ; Fernández-Prieto, Armando ; Bonache Albacete, Jordi ; Martín, Ferran</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-csuc_recercat_oai_recercat_cat_2072_5045353</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Frequency response</topic><topic>Harmonics suppression</topic><topic>Microstrip couplers</topic><topic>Microstrip lines</topic><toplevel>online_resources</toplevel><creatorcontrib>Selga Ruiz, Jordi</creatorcontrib><creatorcontrib>Coromina, Jan</creatorcontrib><creatorcontrib>Vélez Rasero, Paris</creatorcontrib><creatorcontrib>Fernández-Prieto, Armando</creatorcontrib><creatorcontrib>Bonache Albacete, Jordi</creatorcontrib><creatorcontrib>Martín, Ferran</creatorcontrib><collection>Recercat</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Selga Ruiz, Jordi</au><au>Coromina, Jan</au><au>Vélez Rasero, Paris</au><au>Fernández-Prieto, Armando</au><au>Bonache Albacete, Jordi</au><au>Martín, Ferran</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Miniaturised and harmonic-suppressed rat-race couplers based on slow-wave transmission lines</atitle><date>2019</date><risdate>2019</risdate><abstract>Altres ajuts: JANDALUCIA/P12-TIC-1435
In this study, a compact rat-race hybrid coupler with harmonic suppression based on slow-wave transmission lines (SW-TLs) is presented. Such artificial lines are implemented by periodic loading a host microstrip line with series meandered inductors and shunt patch capacitors. The presence of both loading elements has a twofold effect, i.e. phase velocity reduction (due to the enhancement of the effective inductance and capacitance of the periodic line), and the generation of a controllable stopband in the frequency response (due to the Bragg effect, inherent to periodicity). It is shown that by designing the unit cell of the periodic line with an electrical length of 45°, at least the first five harmonic bands of the rat-race coupler are efficiently suppressed, keeping the band of interest unaltered. Moreover, 79% size reduction, as compared to the ordinary coupler, is achieved in the reported SW-TL-based prototype</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | Frequency response Harmonics suppression Microstrip couplers Microstrip lines |
| title | Miniaturised and harmonic-suppressed rat-race couplers based on slow-wave transmission lines |
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