A regulated low phase noise differential colpitts VCO for mobile RFID system
A regulated low phase noise differential colpitts VCO (voltage controlled oscillator) for mobile RFID system is presented. The differential colpitts VCO meets the multiple- interrogator environment specifications. The VCO use a 0.35 mum technology and achieves tuning range 1.55 GHz - 2.053 GHz. Meas...
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| creator | Hyoung-Hwan Roh Eun-Jin Lee Jin-Wook Jung Kyong-Tae Park Kwan-Kyu Nae Hong-Goo Cho Jun-Seok Park Jong-Eun Jang |
| description | A regulated low phase noise differential colpitts VCO (voltage controlled oscillator) for mobile RFID system is presented. The differential colpitts VCO meets the multiple- interrogator environment specifications. The VCO use a 0.35 mum technology and achieves tuning range 1.55 GHz - 2.053 GHz. Measuring 910 MHz frequency divider output, phase noise performance is -106 dBc/Hz and -135 dBc/Hz at 40 kHz and 1 MHz offset, respectively. 5-bit digital coarse-tuning and accumulation type MOS varactors allow for 28.2% tuning range, which is required to cover the LO frequency range of a UHF Mobile RFID system. Optimum design techniques ensure low VCO gain (< 45 MHz/V) for good interoperability with the frequency synthesizer. To the author' knowledge, this differential colpitts VCO achieves a figure of merit (FOM) of 1.93 dB at 2-GHz band. |
| doi_str_mv | 10.1109/EUMC.2007.4405393 |
| format | Conference Proceeding |
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The differential colpitts VCO meets the multiple- interrogator environment specifications. The VCO use a 0.35 mum technology and achieves tuning range 1.55 GHz - 2.053 GHz. Measuring 910 MHz frequency divider output, phase noise performance is -106 dBc/Hz and -135 dBc/Hz at 40 kHz and 1 MHz offset, respectively. 5-bit digital coarse-tuning and accumulation type MOS varactors allow for 28.2% tuning range, which is required to cover the LO frequency range of a UHF Mobile RFID system. Optimum design techniques ensure low VCO gain (< 45 MHz/V) for good interoperability with the frequency synthesizer. To the author' knowledge, this differential colpitts VCO achieves a figure of merit (FOM) of 1.93 dB at 2-GHz band.</description><identifier>ISBN: 9782874870019</identifier><identifier>ISBN: 2874870013</identifier><identifier>DOI: 10.1109/EUMC.2007.4405393</identifier><language>eng</language><publisher>IEEE</publisher><subject>Frequency conversion ; Frequency measurement ; Frequency synthesizers ; Noise measurement ; Phase measurement ; Phase noise ; Radiofrequency identification ; Tuning ; Varactors ; Voltage-controlled oscillators</subject><ispartof>2007 European Microwave Conference, 2007, p.1113-1116</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/4405393$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>309,310,776,780,785,786,2051,27904,54898</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/4405393$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Hyoung-Hwan Roh</creatorcontrib><creatorcontrib>Eun-Jin Lee</creatorcontrib><creatorcontrib>Jin-Wook Jung</creatorcontrib><creatorcontrib>Kyong-Tae Park</creatorcontrib><creatorcontrib>Kwan-Kyu Nae</creatorcontrib><creatorcontrib>Hong-Goo Cho</creatorcontrib><creatorcontrib>Jun-Seok Park</creatorcontrib><creatorcontrib>Jong-Eun Jang</creatorcontrib><title>A regulated low phase noise differential colpitts VCO for mobile RFID system</title><title>2007 European Microwave Conference</title><addtitle>EUMC</addtitle><description>A regulated low phase noise differential colpitts VCO (voltage controlled oscillator) for mobile RFID system is presented. The differential colpitts VCO meets the multiple- interrogator environment specifications. The VCO use a 0.35 mum technology and achieves tuning range 1.55 GHz - 2.053 GHz. Measuring 910 MHz frequency divider output, phase noise performance is -106 dBc/Hz and -135 dBc/Hz at 40 kHz and 1 MHz offset, respectively. 5-bit digital coarse-tuning and accumulation type MOS varactors allow for 28.2% tuning range, which is required to cover the LO frequency range of a UHF Mobile RFID system. Optimum design techniques ensure low VCO gain (< 45 MHz/V) for good interoperability with the frequency synthesizer. To the author' knowledge, this differential colpitts VCO achieves a figure of merit (FOM) of 1.93 dB at 2-GHz band.</description><subject>Frequency conversion</subject><subject>Frequency measurement</subject><subject>Frequency synthesizers</subject><subject>Noise measurement</subject><subject>Phase measurement</subject><subject>Phase noise</subject><subject>Radiofrequency identification</subject><subject>Tuning</subject><subject>Varactors</subject><subject>Voltage-controlled oscillators</subject><isbn>9782874870019</isbn><isbn>2874870013</isbn><fulltext>true</fulltext><rsrctype>conference_proceeding</rsrctype><creationdate>2007</creationdate><recordtype>conference_proceeding</recordtype><sourceid>6IE</sourceid><sourceid>RIE</sourceid><recordid>eNotj8tKAzEYRgMiKHUeQNzkBWZMMrkuy9hqoVIQ67bk8o9GMp1hEpG-vYrdfOesDnwI3VLSUErM_Wr_3DWMENVwTkRr2gtUGaWZVlwrQqi5QlXOn-RPpTTaXKPtEs_w_pVsgYDT-I2nD5sBH8f4uyH2PcxwLNEm7Mc0xVIyfut2uB9nPIwuJsAv680DzqdcYLhBl71NGaozF2i_Xr12T_V297jplts6Mk5LbYEbwx0H6bUWrG8hcGe9EYI57bgUhEnBKA0hGEfAca88OKqI9Vw7adoFuvvvRgA4THMc7Hw6nD-3P1kRTGY</recordid><startdate>20070101</startdate><enddate>20070101</enddate><creator>Hyoung-Hwan Roh</creator><creator>Eun-Jin Lee</creator><creator>Jin-Wook Jung</creator><creator>Kyong-Tae Park</creator><creator>Kwan-Kyu Nae</creator><creator>Hong-Goo Cho</creator><creator>Jun-Seok Park</creator><creator>Jong-Eun Jang</creator><general>IEEE</general><scope>6IE</scope><scope>6IL</scope><scope>CBEJK</scope><scope>RIE</scope><scope>RIL</scope></search><sort><creationdate>20070101</creationdate><title>A regulated low phase noise differential colpitts VCO for mobile RFID system</title><author>Hyoung-Hwan Roh ; Eun-Jin Lee ; Jin-Wook Jung ; Kyong-Tae Park ; Kwan-Kyu Nae ; Hong-Goo Cho ; Jun-Seok Park ; Jong-Eun Jang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i241t-ae4994b4e6c8852f3ed4bac9552b8b4650265211ddd9b0eb4c7ceb170ac48b693</frbrgroupid><rsrctype>conference_proceedings</rsrctype><prefilter>conference_proceedings</prefilter><language>eng</language><creationdate>2007</creationdate><topic>Frequency conversion</topic><topic>Frequency measurement</topic><topic>Frequency synthesizers</topic><topic>Noise measurement</topic><topic>Phase measurement</topic><topic>Phase noise</topic><topic>Radiofrequency identification</topic><topic>Tuning</topic><topic>Varactors</topic><topic>Voltage-controlled oscillators</topic><toplevel>online_resources</toplevel><creatorcontrib>Hyoung-Hwan Roh</creatorcontrib><creatorcontrib>Eun-Jin Lee</creatorcontrib><creatorcontrib>Jin-Wook Jung</creatorcontrib><creatorcontrib>Kyong-Tae Park</creatorcontrib><creatorcontrib>Kwan-Kyu Nae</creatorcontrib><creatorcontrib>Hong-Goo Cho</creatorcontrib><creatorcontrib>Jun-Seok Park</creatorcontrib><creatorcontrib>Jong-Eun Jang</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>Hyoung-Hwan Roh</au><au>Eun-Jin Lee</au><au>Jin-Wook Jung</au><au>Kyong-Tae Park</au><au>Kwan-Kyu Nae</au><au>Hong-Goo Cho</au><au>Jun-Seok Park</au><au>Jong-Eun Jang</au><format>book</format><genre>proceeding</genre><ristype>CONF</ristype><atitle>A regulated low phase noise differential colpitts VCO for mobile RFID system</atitle><btitle>2007 European Microwave Conference</btitle><stitle>EUMC</stitle><date>2007-01-01</date><risdate>2007</risdate><spage>1113</spage><epage>1116</epage><pages>1113-1116</pages><isbn>9782874870019</isbn><isbn>2874870013</isbn><abstract>A regulated low phase noise differential colpitts VCO (voltage controlled oscillator) for mobile RFID system is presented. The differential colpitts VCO meets the multiple- interrogator environment specifications. The VCO use a 0.35 mum technology and achieves tuning range 1.55 GHz - 2.053 GHz. Measuring 910 MHz frequency divider output, phase noise performance is -106 dBc/Hz and -135 dBc/Hz at 40 kHz and 1 MHz offset, respectively. 5-bit digital coarse-tuning and accumulation type MOS varactors allow for 28.2% tuning range, which is required to cover the LO frequency range of a UHF Mobile RFID system. Optimum design techniques ensure low VCO gain (< 45 MHz/V) for good interoperability with the frequency synthesizer. To the author' knowledge, this differential colpitts VCO achieves a figure of merit (FOM) of 1.93 dB at 2-GHz band.</abstract><pub>IEEE</pub><doi>10.1109/EUMC.2007.4405393</doi><tpages>4</tpages></addata></record> |
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| identifier | ISBN: 9782874870019 |
| ispartof | 2007 European Microwave Conference, 2007, p.1113-1116 |
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| language | eng |
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| source | IEEE Electronic Library (IEL) Conference Proceedings |
| subjects | Frequency conversion Frequency measurement Frequency synthesizers Noise measurement Phase measurement Phase noise Radiofrequency identification Tuning Varactors Voltage-controlled oscillators |
| title | A regulated low phase noise differential colpitts VCO for mobile RFID system |
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