Novel dual band hybrid rat-race coupler with CRLH and D-CRLH transmission lines

Novel dual band hybrid rat-race coupler with CRLH and D-CRLH transmission lines

A new dual band rat-race coupler with left handed transmission lines is presented in this paper. The main advantage of this novel coupler is that there are used a reduced number of cells, meanwhile the performances improve. In order to reduce the dimensions of the coupler, the 3λ/4 CRLH transmission...

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Hauptverfasser: Mocanu, I. A., Petrescu, T.
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Sprache:eng
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Capacitance
Couplers
CRLH
D-CRLH transmission lines
Dual band
hybrid rat-race coupler
Impedance
Microwave theory and techniques
minimized devices
Power transmission lines
Shape
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description A new dual band rat-race coupler with left handed transmission lines is presented in this paper. The main advantage of this novel coupler is that there are used a reduced number of cells, meanwhile the performances improve. In order to reduce the dimensions of the coupler, the 3λ/4 CRLH transmission line has been replaced with a D-CRLH transmission line, and moreover there have been introduced a new method to design quarter wavelengths CRLH/D-CRLH transmission lines with minimum number of cells. Also, the dual version of this hybrid coupler, that is made of three identical CRLH transmission lines and one D-CRLH is the hybrid coupler that has three identical D-CRLH transmission lines and only one CRLH transmission line. In fact, the main idea of the hybrid rat-race coupler is to use the duality between the CRLH and D-CRLH transmission lines, which implies in this particular case, to replace a transmission line that introduces a phase shift of 2700° with a transmission line introducing a phase shift of -90°, and vice versa. It is important to notice, that this coupler can be designed to operate at two arbitrary frequencies like all microwave devices that use LH transmission lines.
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A. ; Petrescu, T.</creator><creatorcontrib>Mocanu, I. A. ; Petrescu, T.</creatorcontrib><description>A new dual band rat-race coupler with left handed transmission lines is presented in this paper. The main advantage of this novel coupler is that there are used a reduced number of cells, meanwhile the performances improve. In order to reduce the dimensions of the coupler, the 3λ/4 CRLH transmission line has been replaced with a D-CRLH transmission line, and moreover there have been introduced a new method to design quarter wavelengths CRLH/D-CRLH transmission lines with minimum number of cells. Also, the dual version of this hybrid coupler, that is made of three identical CRLH transmission lines and one D-CRLH is the hybrid coupler that has three identical D-CRLH transmission lines and only one CRLH transmission line. In fact, the main idea of the hybrid rat-race coupler is to use the duality between the CRLH and D-CRLH transmission lines, which implies in this particular case, to replace a transmission line that introduces a phase shift of 2700° with a transmission line introducing a phase shift of -90°, and vice versa. 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A.</creatorcontrib><creatorcontrib>Petrescu, T.</creatorcontrib><title>Novel dual band hybrid rat-race coupler with CRLH and D-CRLH transmission lines</title><title>Asia-Pacific Microwave Conference 2011</title><addtitle>APMC</addtitle><description>A new dual band rat-race coupler with left handed transmission lines is presented in this paper. The main advantage of this novel coupler is that there are used a reduced number of cells, meanwhile the performances improve. In order to reduce the dimensions of the coupler, the 3λ/4 CRLH transmission line has been replaced with a D-CRLH transmission line, and moreover there have been introduced a new method to design quarter wavelengths CRLH/D-CRLH transmission lines with minimum number of cells. Also, the dual version of this hybrid coupler, that is made of three identical CRLH transmission lines and one D-CRLH is the hybrid coupler that has three identical D-CRLH transmission lines and only one CRLH transmission line. In fact, the main idea of the hybrid rat-race coupler is to use the duality between the CRLH and D-CRLH transmission lines, which implies in this particular case, to replace a transmission line that introduces a phase shift of 2700° with a transmission line introducing a phase shift of -90°, and vice versa. It is important to notice, that this coupler can be designed to operate at two arbitrary frequencies like all microwave devices that use LH transmission lines.</description><subject>Capacitance</subject><subject>Couplers</subject><subject>CRLH</subject><subject>D-CRLH transmission lines</subject><subject>Dual band</subject><subject>hybrid rat-race coupler</subject><subject>Impedance</subject><subject>Microwave theory and techniques</subject><subject>minimized devices</subject><subject>Power transmission lines</subject><subject>Shape</subject><issn>2165-4727</issn><issn>2165-4743</issn><isbn>9781457720345</isbn><isbn>1457720345</isbn><isbn>9780858259744</isbn><isbn>0858259745</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2011</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo9jd1KxDAUhOMfuKx9Am_yAoE2OelJLqX-rFBcEL1ekvaUjXTbJekq-_bWVZybGfiGmTOWWTS50UZqiwDnbCGLUgtAUBcnVoBGlLkCffnPJF6zLKWPfBbmSttywdYv4yf1vD24nns3tHx79DG0PLpJRNcQb8bDvqfIv8K05dVrveI_rXtxilN0Q9qFlMI48D4MlG7YVef6RNmfL9n748NbtRL1-um5uqtFKFBPopB-_u8aV1oPUkkEkl2DkjoFHRqHxgCB9w20yucGrTKOZrMdGAcG1JLd_u4GItrsY9i5eNyUBSpjQX0DCtxNWA</recordid><startdate>201112</startdate><enddate>201112</enddate><creator>Mocanu, I. 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A. ; Petrescu, T.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i175t-12b359fca69b423274e2fc72ef34f78a7884e4bbc4d3b087938ae8799f48a4843</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Capacitance</topic><topic>Couplers</topic><topic>CRLH</topic><topic>D-CRLH transmission lines</topic><topic>Dual band</topic><topic>hybrid rat-race coupler</topic><topic>Impedance</topic><topic>Microwave theory and techniques</topic><topic>minimized devices</topic><topic>Power transmission lines</topic><topic>Shape</topic><toplevel>online_resources</toplevel><creatorcontrib>Mocanu, I. A.</creatorcontrib><creatorcontrib>Petrescu, T.</creatorcontrib><collection>IEEE Electronic Library (IEL) Conference Proceedings</collection><collection>IEEE Proceedings Order Plan All Online (POP All Online) 1998-present by volume</collection><collection>IEEE Xplore All Conference Proceedings</collection><collection>IEEE Electronic Library (IEL)</collection><collection>IEEE Proceedings Order Plans (POP All) 1998-Present</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Mocanu, I. A.</au><au>Petrescu, T.</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Novel dual band hybrid rat-race coupler with CRLH and D-CRLH transmission lines</atitle><btitle>Asia-Pacific Microwave Conference 2011</btitle><stitle>APMC</stitle><date>2011-12</date><risdate>2011</risdate><spage>888</spage><epage>891</epage><pages>888-891</pages><issn>2165-4727</issn><eissn>2165-4743</eissn><isbn>9781457720345</isbn><isbn>1457720345</isbn><eisbn>9780858259744</eisbn><eisbn>0858259745</eisbn><abstract>A new dual band rat-race coupler with left handed transmission lines is presented in this paper. The main advantage of this novel coupler is that there are used a reduced number of cells, meanwhile the performances improve. In order to reduce the dimensions of the coupler, the 3λ/4 CRLH transmission line has been replaced with a D-CRLH transmission line, and moreover there have been introduced a new method to design quarter wavelengths CRLH/D-CRLH transmission lines with minimum number of cells. Also, the dual version of this hybrid coupler, that is made of three identical CRLH transmission lines and one D-CRLH is the hybrid coupler that has three identical D-CRLH transmission lines and only one CRLH transmission line. In fact, the main idea of the hybrid rat-race coupler is to use the duality between the CRLH and D-CRLH transmission lines, which implies in this particular case, to replace a transmission line that introduces a phase shift of 2700° with a transmission line introducing a phase shift of -90°, and vice versa. It is important to notice, that this coupler can be designed to operate at two arbitrary frequencies like all microwave devices that use LH transmission lines.</abstract><pub>IEEE</pub><tpages>4</tpages></addata></record>
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Capacitance
Couplers
CRLH
D-CRLH transmission lines
Dual band
hybrid rat-race coupler
Impedance
Microwave theory and techniques
minimized devices
Power transmission lines
Shape
title Novel dual band hybrid rat-race coupler with CRLH and D-CRLH transmission lines
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