Wideband microwave OTA with tunable transconductance using feedforward regulation and an active inductor load
A microwave operational transconductance amplifier (OTA) using a feedforward-regulated cascode stage and an active inductor load is proposed in this paper. The use of the feedforward regulation mechanism provides the OTA with a very wide bandwidth of over 10 GHz while the active inductor load contri...
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creator | Jiangtao Xu Saavedra, Carlos E Guican Chen |
description | A microwave operational transconductance amplifier (OTA) using a feedforward-regulated cascode stage and an active inductor load is proposed in this paper. The use of the feedforward regulation mechanism provides the OTA with a very wide bandwidth of over 10 GHz while the active inductor load contributes to the OTA's high linearity performance. Furthermore, the transconductance of the OTA can be varied from 5 mS to 20 mS. The OTA is designed in a 0.13-μm CMOS technology and it draws a maximum of 5.5 mA of current from a 1.2 V supply when the transconductance is set to 20 mS. The chip occupies an area of 110 μm × 66 μm. |
doi_str_mv | 10.1109/NEWCAS.2010.5603917 |
format | Conference Proceeding |
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The chip occupies an area of 110 μm × 66 μm.</description><subject>Active inductors</subject><subject>CMOS integrated circuits</subject><subject>Linearity</subject><subject>Microwave circuits</subject><subject>Transconductance</subject><subject>Transistors</subject><subject>Voltage control</subject><isbn>9781424468065</isbn><isbn>142446806X</isbn><isbn>1424468051</isbn><isbn>9781424468058</isbn><isbn>1424468043</isbn><isbn>9781424468041</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2010</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNo1kN1KxDAQRiMiqGufYG_yAl2TNkmby1LWH1jcCwt7uUyTdI20qaSpxbc36jo3H3NgDnyD0JqSDaVE3r9sD3X1uslIBFyQXNLiAt1SljEmSsLpJUpkUf7vgl-jZJreSRzGIyM3aDhYbVpwGg9W-XGBT4P3TYUXG95wmB20vcHBg5vU6PSsAjhl8DxZd8KdMbob_QJeY29Ocw_Bjg7_yCCGCjbK7O_V6HE_gr5DVx30k0nOuULNw7apn9Ld_vG5rnaplSSkIEgHss0147rgrRId78qW8gjLgrY8i4W0UGWsAGXOmRZZwTIiJDEZk1zmK7T-01pjzPHD2wH81_H8oPwbW1hbHg</recordid><startdate>201006</startdate><enddate>201006</enddate><creator>Jiangtao Xu</creator><creator>Saavedra, Carlos E</creator><creator>Guican Chen</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>201006</creationdate><title>Wideband microwave OTA with tunable transconductance using feedforward regulation and an active inductor load</title><author>Jiangtao Xu ; Saavedra, Carlos E ; Guican Chen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i90t-a60fa9b3d45d75bc6f5f8b15fa9871b52142d6c8524a8354d627420690e249593</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Active inductors</topic><topic>CMOS integrated circuits</topic><topic>Linearity</topic><topic>Microwave circuits</topic><topic>Transconductance</topic><topic>Transistors</topic><topic>Voltage control</topic><toplevel>online_resources</toplevel><creatorcontrib>Jiangtao Xu</creatorcontrib><creatorcontrib>Saavedra, Carlos E</creatorcontrib><creatorcontrib>Guican Chen</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>Jiangtao Xu</au><au>Saavedra, Carlos E</au><au>Guican Chen</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>Wideband microwave OTA with tunable transconductance using feedforward regulation and an active inductor load</atitle><btitle>Proceedings of the 8th IEEE International NEWCAS Conference 2010</btitle><stitle>NEWCAS</stitle><date>2010-06</date><risdate>2010</risdate><spage>93</spage><epage>96</epage><pages>93-96</pages><isbn>9781424468065</isbn><isbn>142446806X</isbn><eisbn>1424468051</eisbn><eisbn>9781424468058</eisbn><eisbn>1424468043</eisbn><eisbn>9781424468041</eisbn><abstract>A microwave operational transconductance amplifier (OTA) using a feedforward-regulated cascode stage and an active inductor load is proposed in this paper. The use of the feedforward regulation mechanism provides the OTA with a very wide bandwidth of over 10 GHz while the active inductor load contributes to the OTA's high linearity performance. Furthermore, the transconductance of the OTA can be varied from 5 mS to 20 mS. The OTA is designed in a 0.13-μm CMOS technology and it draws a maximum of 5.5 mA of current from a 1.2 V supply when the transconductance is set to 20 mS. The chip occupies an area of 110 μm × 66 μm.</abstract><pub>IEEE</pub><doi>10.1109/NEWCAS.2010.5603917</doi><tpages>4</tpages></addata></record> |
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subjects | Active inductors CMOS integrated circuits Linearity Microwave circuits Transconductance Transistors Voltage control |
title | Wideband microwave OTA with tunable transconductance using feedforward regulation and an active inductor load |
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