A 5.2 GHz CMOS I/Q Modulator With Integrated Phase Shifter for Beamforming
This paper presents the design of an I/Q modulator with integrated phase shifter for beamforming. It is targeted at 802.11a WLAN. An efficient beamforming architecture with a linearly controlled 360 deg phase shifting range is proposed for linear transmitters. The phase shifting takes place in the l...
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| Veröffentlicht in: | IEEE journal of solid-state circuits 2007-09, Vol.42 (9), p.1953-1962 |
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| container_end_page | 1962 |
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| container_issue | 9 |
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| container_title | IEEE journal of solid-state circuits |
| container_volume | 42 |
| creator | Gueorguiev, S.. Lindfors, S.. Larsen, T.. |
| description | This paper presents the design of an I/Q modulator with integrated phase shifter for beamforming. It is targeted at 802.11a WLAN. An efficient beamforming architecture with a linearly controlled 360 deg phase shifting range is proposed for linear transmitters. The phase shifting takes place in the local oscillator path at three times lower frequency than the carrier. The phase shifters are implemented as vector modulators in an efficient way by utilizing a current reuse technique. All control currents are provided by a single current steering digital to analog converter by means of time multiplexed sample and hold circuits. The circuit, implemented in 0.25 mum CMOS technology, has a 1 dB output compression point of -7.1 dBm and consumes 61 mA. It has a phase shifting resolution of 10 deg with a differential accuracy of 2 deg . |
| doi_str_mv | 10.1109/JSSC.2007.903104 |
| format | Article |
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It is targeted at 802.11a WLAN. An efficient beamforming architecture with a linearly controlled 360 deg phase shifting range is proposed for linear transmitters. The phase shifting takes place in the local oscillator path at three times lower frequency than the carrier. The phase shifters are implemented as vector modulators in an efficient way by utilizing a current reuse technique. All control currents are provided by a single current steering digital to analog converter by means of time multiplexed sample and hold circuits. The circuit, implemented in 0.25 mum CMOS technology, has a 1 dB output compression point of -7.1 dBm and consumes 61 mA. It has a phase shifting resolution of 10 deg with a differential accuracy of 2 deg .</description><identifier>ISSN: 0018-9200</identifier><identifier>EISSN: 1558-173X</identifier><identifier>DOI: 10.1109/JSSC.2007.903104</identifier><identifier>CODEN: IJSCBC</identifier><language>eng</language><publisher>New York, NY: IEEE</publisher><subject>Applied sciences ; Array signal processing ; Beamforming ; Circuit properties ; Circuits ; Circuits of signal characteristics conditioning (including delay circuits) ; CMOS ; CMOS technology ; Design. Technologies. Operation analysis. Testing ; Electric, optical and optoelectronic circuits ; Electronic circuits ; Electronics ; Exact sciences and technology ; Frequency ; I/Q modulator ; Integrated circuits ; Local oscillators ; Modulators ; Multiplexing ; Optical modulation ; Oscillators ; Oscillators, resonators, synthetizers ; Phase modulation ; phase shifter ; Phase shifters ; Semiconductor electronics. Microelectronics. Optoelectronics. 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(IEEE) 2007</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c415t-ef0c32c3e96aaae41b46c7eddb70a54f0af43628b3bbd95c129e32a2231df9183</citedby><cites>FETCH-LOGICAL-c415t-ef0c32c3e96aaae41b46c7eddb70a54f0af43628b3bbd95c129e32a2231df9183</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4295194$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,776,780,792,27901,27902,54733</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4295194$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=19043319$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Gueorguiev, S..</creatorcontrib><creatorcontrib>Lindfors, S..</creatorcontrib><creatorcontrib>Larsen, T..</creatorcontrib><title>A 5.2 GHz CMOS I/Q Modulator With Integrated Phase Shifter for Beamforming</title><title>IEEE journal of solid-state circuits</title><addtitle>JSSC</addtitle><description>This paper presents the design of an I/Q modulator with integrated phase shifter for beamforming. It is targeted at 802.11a WLAN. An efficient beamforming architecture with a linearly controlled 360 deg phase shifting range is proposed for linear transmitters. The phase shifting takes place in the local oscillator path at three times lower frequency than the carrier. The phase shifters are implemented as vector modulators in an efficient way by utilizing a current reuse technique. All control currents are provided by a single current steering digital to analog converter by means of time multiplexed sample and hold circuits. The circuit, implemented in 0.25 mum CMOS technology, has a 1 dB output compression point of -7.1 dBm and consumes 61 mA. It has a phase shifting resolution of 10 deg with a differential accuracy of 2 deg .</description><subject>Applied sciences</subject><subject>Array signal processing</subject><subject>Beamforming</subject><subject>Circuit properties</subject><subject>Circuits</subject><subject>Circuits of signal characteristics conditioning (including delay circuits)</subject><subject>CMOS</subject><subject>CMOS technology</subject><subject>Design. Technologies. Operation analysis. Testing</subject><subject>Electric, optical and optoelectronic circuits</subject><subject>Electronic circuits</subject><subject>Electronics</subject><subject>Exact sciences and technology</subject><subject>Frequency</subject><subject>I/Q modulator</subject><subject>Integrated circuits</subject><subject>Local oscillators</subject><subject>Modulators</subject><subject>Multiplexing</subject><subject>Optical modulation</subject><subject>Oscillators</subject><subject>Oscillators, resonators, synthetizers</subject><subject>Phase modulation</subject><subject>phase shifter</subject><subject>Phase shifters</subject><subject>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</subject><subject>Signal convertors</subject><subject>transmitter</subject><subject>Transmitters</subject><subject>Wireless communication</subject><subject>Wireless LAN</subject><subject>WLAN</subject><issn>0018-9200</issn><issn>1558-173X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2007</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNqF0U1rGzEQBmBREqjj9F7IRRTanNbR6GN3dUxMYjskpMUt7U1otaN4w3rXldaH5NdHxiGBHNrTIOaZEcNLyGdgEwCmz66Xy-mEM1ZMNBPA5AcyAqXKDArx54CMGIMy06n_kRzF-JCeUpYwItfnVE04nc2f6PT2bkkXZz_obV9vWzv0gf5uhhVddAPeBztgTb-vbES6XDV-wEB9Ehdo16mum-7-mBx620b89FLH5NfV5c_pPLu5my2m5zeZk6CGDD1zgjuBOrfWooRK5q7Auq4KZpX0zHopcl5WoqpqrRxwjYJbzgXUXkMpxuR0v3cT-r9bjINZN9Fh29oO-2006f4cpNDiv7IsWV4wEEWS3_4phZRM6XL3-Zd38KHfhi7dazRwKHKZq4TYHrnQxxjQm01o1jY8GmBml5bZpWV2aZl9Wmnk68teG51tfbCda-LbnE5GgE7uZO8aRHxtS64VaCmeAXV1mcc</recordid><startdate>20070901</startdate><enddate>20070901</enddate><creator>Gueorguiev, S..</creator><creator>Lindfors, S..</creator><creator>Larsen, T..</creator><general>IEEE</general><general>Institute of Electrical and Electronics Engineers</general><general>The Institute of Electrical and Electronics Engineers, Inc. (IEEE)</general><scope>97E</scope><scope>RIA</scope><scope>RIE</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope><scope>F28</scope><scope>FR3</scope></search><sort><creationdate>20070901</creationdate><title>A 5.2 GHz CMOS I/Q Modulator With Integrated Phase Shifter for Beamforming</title><author>Gueorguiev, S.. ; Lindfors, S.. ; Larsen, T..</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c415t-ef0c32c3e96aaae41b46c7eddb70a54f0af43628b3bbd95c129e32a2231df9183</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Applied sciences</topic><topic>Array signal processing</topic><topic>Beamforming</topic><topic>Circuit properties</topic><topic>Circuits</topic><topic>Circuits of signal characteristics conditioning (including delay circuits)</topic><topic>CMOS</topic><topic>CMOS technology</topic><topic>Design. Technologies. Operation analysis. Testing</topic><topic>Electric, optical and optoelectronic circuits</topic><topic>Electronic circuits</topic><topic>Electronics</topic><topic>Exact sciences and technology</topic><topic>Frequency</topic><topic>I/Q modulator</topic><topic>Integrated circuits</topic><topic>Local oscillators</topic><topic>Modulators</topic><topic>Multiplexing</topic><topic>Optical modulation</topic><topic>Oscillators</topic><topic>Oscillators, resonators, synthetizers</topic><topic>Phase modulation</topic><topic>phase shifter</topic><topic>Phase shifters</topic><topic>Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices</topic><topic>Signal convertors</topic><topic>transmitter</topic><topic>Transmitters</topic><topic>Wireless communication</topic><topic>Wireless LAN</topic><topic>WLAN</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gueorguiev, S..</creatorcontrib><creatorcontrib>Lindfors, S..</creatorcontrib><creatorcontrib>Larsen, T..</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>Pascal-Francis</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><jtitle>IEEE journal of solid-state circuits</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Gueorguiev, S..</au><au>Lindfors, S..</au><au>Larsen, T..</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A 5.2 GHz CMOS I/Q Modulator With Integrated Phase Shifter for Beamforming</atitle><jtitle>IEEE journal of solid-state circuits</jtitle><stitle>JSSC</stitle><date>2007-09-01</date><risdate>2007</risdate><volume>42</volume><issue>9</issue><spage>1953</spage><epage>1962</epage><pages>1953-1962</pages><issn>0018-9200</issn><eissn>1558-173X</eissn><coden>IJSCBC</coden><abstract>This paper presents the design of an I/Q modulator with integrated phase shifter for beamforming. It is targeted at 802.11a WLAN. An efficient beamforming architecture with a linearly controlled 360 deg phase shifting range is proposed for linear transmitters. The phase shifting takes place in the local oscillator path at three times lower frequency than the carrier. The phase shifters are implemented as vector modulators in an efficient way by utilizing a current reuse technique. All control currents are provided by a single current steering digital to analog converter by means of time multiplexed sample and hold circuits. The circuit, implemented in 0.25 mum CMOS technology, has a 1 dB output compression point of -7.1 dBm and consumes 61 mA. It has a phase shifting resolution of 10 deg with a differential accuracy of 2 deg .</abstract><cop>New York, NY</cop><pub>IEEE</pub><doi>10.1109/JSSC.2007.903104</doi><tpages>10</tpages></addata></record> |
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| source | IEEE Electronic Library (IEL) |
| subjects | Applied sciences Array signal processing Beamforming Circuit properties Circuits Circuits of signal characteristics conditioning (including delay circuits) CMOS CMOS technology Design. Technologies. Operation analysis. Testing Electric, optical and optoelectronic circuits Electronic circuits Electronics Exact sciences and technology Frequency I/Q modulator Integrated circuits Local oscillators Modulators Multiplexing Optical modulation Oscillators Oscillators, resonators, synthetizers Phase modulation phase shifter Phase shifters Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Signal convertors transmitter Transmitters Wireless communication Wireless LAN WLAN |
| title | A 5.2 GHz CMOS I/Q Modulator With Integrated Phase Shifter for Beamforming |
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