A Passive Tunable Matching Filter for Multiband RF Applications Demonstrated at 7 to 14 GHz
This letter presents a general approach to implement a wideband tunable matching filter for multiband radio-frequency applications. The concept is demonstrated for a two-stage bipolar amplifier to achieve a tunable input and output small-signal match to 50 Ω. The filters are realized as π-networks w...
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| Veröffentlicht in: | IEEE microwave and wireless components letters 2017-08, Vol.27 (8), p.703-705 |
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| container_issue | 8 |
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| container_title | IEEE microwave and wireless components letters |
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| creator | Starke, Paul Fritsche, David Carta, Corrado Ellinger, Frank |
| description | This letter presents a general approach to implement a wideband tunable matching filter for multiband radio-frequency applications. The concept is demonstrated for a two-stage bipolar amplifier to achieve a tunable input and output small-signal match to 50 Ω. The filters are realized as π-networks with two fixed inductors and a 4-bit digitally tuned capacitor based on CMOS switches. The utilized technology is a 130-nm SiGe BiCMOS process. A total frequency tuning range of 7-14 GHz with at least 8-dB return loss and 16.5-20 dB gain is confirmed by measurements and aligns well with the theoretical predictions and simulation results. In addition, a compact analytic theory for the proposed network is derived to extend this approach to arbitrary frequencies and bandwidths. |
| doi_str_mv | 10.1109/LMWC.2017.2724006 |
| format | Article |
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The concept is demonstrated for a two-stage bipolar amplifier to achieve a tunable input and output small-signal match to 50 Ω. The filters are realized as π-networks with two fixed inductors and a 4-bit digitally tuned capacitor based on CMOS switches. The utilized technology is a 130-nm SiGe BiCMOS process. A total frequency tuning range of 7-14 GHz with at least 8-dB return loss and 16.5-20 dB gain is confirmed by measurements and aligns well with the theoretical predictions and simulation results. In addition, a compact analytic theory for the proposed network is derived to extend this approach to arbitrary frequencies and bandwidths.</description><identifier>ISSN: 1531-1309</identifier><identifier>ISSN: 2771-957X</identifier><identifier>EISSN: 1558-1764</identifier><identifier>EISSN: 2771-9588</identifier><identifier>DOI: 10.1109/LMWC.2017.2724006</identifier><identifier>CODEN: IMWCBJ</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Amplification ; Amplifier ; Bandwidth ; BiCMOS ; Broadband ; Capacitors ; CMOS ; digital tunable capacitor (DTC) ; Gain ; Impedance matching ; inductor ; Inductors ; Matching ; multiband ; Q-factor ; Radio ; Radio frequency ; radio frequency (RF) ; SiGe ; Silicon germanides ; Switches ; Switching theory ; tunable filter ; tunable matching ; Tuning</subject><ispartof>IEEE microwave and wireless components letters, 2017-08, Vol.27 (8), p.703-705</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c293t-bd9b17244c598f74b0f47c0639ecf53e56da252a0fdf5ed1428fba3e32ac5e643</citedby><cites>FETCH-LOGICAL-c293t-bd9b17244c598f74b0f47c0639ecf53e56da252a0fdf5ed1428fba3e32ac5e643</cites><orcidid>0000-0002-5895-2763 ; 0000-0002-7897-4425</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7987006$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7987006$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Starke, Paul</creatorcontrib><creatorcontrib>Fritsche, David</creatorcontrib><creatorcontrib>Carta, Corrado</creatorcontrib><creatorcontrib>Ellinger, Frank</creatorcontrib><title>A Passive Tunable Matching Filter for Multiband RF Applications Demonstrated at 7 to 14 GHz</title><title>IEEE microwave and wireless components letters</title><addtitle>LMWC</addtitle><description>This letter presents a general approach to implement a wideband tunable matching filter for multiband radio-frequency applications. The concept is demonstrated for a two-stage bipolar amplifier to achieve a tunable input and output small-signal match to 50 Ω. The filters are realized as π-networks with two fixed inductors and a 4-bit digitally tuned capacitor based on CMOS switches. The utilized technology is a 130-nm SiGe BiCMOS process. A total frequency tuning range of 7-14 GHz with at least 8-dB return loss and 16.5-20 dB gain is confirmed by measurements and aligns well with the theoretical predictions and simulation results. In addition, a compact analytic theory for the proposed network is derived to extend this approach to arbitrary frequencies and bandwidths.</description><subject>Amplification</subject><subject>Amplifier</subject><subject>Bandwidth</subject><subject>BiCMOS</subject><subject>Broadband</subject><subject>Capacitors</subject><subject>CMOS</subject><subject>digital tunable capacitor (DTC)</subject><subject>Gain</subject><subject>Impedance matching</subject><subject>inductor</subject><subject>Inductors</subject><subject>Matching</subject><subject>multiband</subject><subject>Q-factor</subject><subject>Radio</subject><subject>Radio frequency</subject><subject>radio frequency (RF)</subject><subject>SiGe</subject><subject>Silicon germanides</subject><subject>Switches</subject><subject>Switching theory</subject><subject>tunable filter</subject><subject>tunable matching</subject><subject>Tuning</subject><issn>1531-1309</issn><issn>2771-957X</issn><issn>1558-1764</issn><issn>2771-9588</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNo9kF9LwzAUxYsoOKcfQHwJ-NyZmz9N8zim24QNRSY--BDSNtGMrp1JKuint2XDp3PhnnPv4Zck14AnAFjerdZvswnBICZEEIZxdpKMgPM8BZGx02GmkALF8jy5CGGLMbCcwSh5n6JnHYL7NmjTNbqoDVrrWH665gPNXR2NR7b1aN3V0RW6qdDLHE33-9qVOrq2Ceje7HqJXkdTIR2RQLFFwNBi-XuZnFldB3N11HHyOn_YzJbp6mnxOJuu0pJIGtOikgX0pVnJZW4FK7BlosQZlaa0nBqeVZpworGtLDcVMJLbQlNDiS65yRgdJ7eHu3vffnUmRLVtO9_0LxVIIjIKGRG9Cw6u0rcheGPV3rud9j8KsBoYqoGhGhiqI8M-c3PIOGPMv1_IXAzbP-KhbAk</recordid><startdate>20170801</startdate><enddate>20170801</enddate><creator>Starke, Paul</creator><creator>Fritsche, David</creator><creator>Carta, Corrado</creator><creator>Ellinger, Frank</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><orcidid>https://orcid.org/0000-0002-5895-2763</orcidid><orcidid>https://orcid.org/0000-0002-7897-4425</orcidid></search><sort><creationdate>20170801</creationdate><title>A Passive Tunable Matching Filter for Multiband RF Applications Demonstrated at 7 to 14 GHz</title><author>Starke, Paul ; Fritsche, David ; Carta, Corrado ; Ellinger, Frank</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c293t-bd9b17244c598f74b0f47c0639ecf53e56da252a0fdf5ed1428fba3e32ac5e643</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Amplification</topic><topic>Amplifier</topic><topic>Bandwidth</topic><topic>BiCMOS</topic><topic>Broadband</topic><topic>Capacitors</topic><topic>CMOS</topic><topic>digital tunable capacitor (DTC)</topic><topic>Gain</topic><topic>Impedance matching</topic><topic>inductor</topic><topic>Inductors</topic><topic>Matching</topic><topic>multiband</topic><topic>Q-factor</topic><topic>Radio</topic><topic>Radio frequency</topic><topic>radio frequency (RF)</topic><topic>SiGe</topic><topic>Silicon germanides</topic><topic>Switches</topic><topic>Switching theory</topic><topic>tunable filter</topic><topic>tunable matching</topic><topic>Tuning</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Starke, Paul</creatorcontrib><creatorcontrib>Fritsche, David</creatorcontrib><creatorcontrib>Carta, Corrado</creatorcontrib><creatorcontrib>Ellinger, Frank</creatorcontrib><collection>IEEE All-Society Periodicals Package (ASPP) 2005-present</collection><collection>IEEE All-Society Periodicals Package (ASPP) 1998-Present</collection><collection>IEEE Electronic Library (IEL)</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>IEEE microwave and wireless components letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Starke, Paul</au><au>Fritsche, David</au><au>Carta, Corrado</au><au>Ellinger, Frank</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A Passive Tunable Matching Filter for Multiband RF Applications Demonstrated at 7 to 14 GHz</atitle><jtitle>IEEE microwave and wireless components letters</jtitle><stitle>LMWC</stitle><date>2017-08-01</date><risdate>2017</risdate><volume>27</volume><issue>8</issue><spage>703</spage><epage>705</epage><pages>703-705</pages><issn>1531-1309</issn><issn>2771-957X</issn><eissn>1558-1764</eissn><eissn>2771-9588</eissn><coden>IMWCBJ</coden><abstract>This letter presents a general approach to implement a wideband tunable matching filter for multiband radio-frequency applications. The concept is demonstrated for a two-stage bipolar amplifier to achieve a tunable input and output small-signal match to 50 Ω. The filters are realized as π-networks with two fixed inductors and a 4-bit digitally tuned capacitor based on CMOS switches. The utilized technology is a 130-nm SiGe BiCMOS process. A total frequency tuning range of 7-14 GHz with at least 8-dB return loss and 16.5-20 dB gain is confirmed by measurements and aligns well with the theoretical predictions and simulation results. In addition, a compact analytic theory for the proposed network is derived to extend this approach to arbitrary frequencies and bandwidths.</abstract><cop>New York</cop><pub>IEEE</pub><doi>10.1109/LMWC.2017.2724006</doi><tpages>3</tpages><orcidid>https://orcid.org/0000-0002-5895-2763</orcidid><orcidid>https://orcid.org/0000-0002-7897-4425</orcidid></addata></record> |
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| ispartof | IEEE microwave and wireless components letters, 2017-08, Vol.27 (8), p.703-705 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Amplification Amplifier Bandwidth BiCMOS Broadband Capacitors CMOS digital tunable capacitor (DTC) Gain Impedance matching inductor Inductors Matching multiband Q-factor Radio Radio frequency radio frequency (RF) SiGe Silicon germanides Switches Switching theory tunable filter tunable matching Tuning |
| title | A Passive Tunable Matching Filter for Multiband RF Applications Demonstrated at 7 to 14 GHz |
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