Electronically tunable high-input impedance voltage-mode universal biquadratic filter based on simple CMOS OTAs
This paper describes a new electronically tunable three inputs and single output voltage-mode universal biquadratic filter based on simple CMOS operational transconductance amplifiers (OTAs) and grounded capacitors. The proposed configuration provides lowpass, highpass, bandpass, bandstop and allpas...
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| Veröffentlicht in: | International journal of electronics and communications 2010-10, Vol.64 (10), p.934-939 |
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| container_issue | 10 |
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| container_title | International journal of electronics and communications |
| container_volume | 64 |
| creator | Kumngern, Montree Knobnob, Boonying Dejhan, Kobchai |
| description | This paper describes a new electronically tunable three inputs and single output voltage-mode universal biquadratic filter based on simple CMOS operational transconductance amplifiers (OTAs) and grounded capacitors. The proposed configuration provides lowpass, highpass, bandpass, bandstop and allpass voltage responses at a high impedance input terminal, which enable easy cascadability. Additionally, the circuit parameters
ω
o
and
Q can be set orthogonally by adjusting the transconductances and grounded capacitors. The filter also offers an independent electronic control of parameters
ω
o
by adjusting the transconductance through the bias current/voltage of the OTA. For realizing all the filter responses, no critical component matching condition is required, and all the incremental parameter sensitivities are low. PSPICE simulation results are performed to confirm the theoretical analysis. |
| doi_str_mv | 10.1016/j.aeue.2009.07.015 |
| format | Article |
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ω
o
and
Q can be set orthogonally by adjusting the transconductances and grounded capacitors. The filter also offers an independent electronic control of parameters
ω
o
by adjusting the transconductance through the bias current/voltage of the OTA. For realizing all the filter responses, no critical component matching condition is required, and all the incremental parameter sensitivities are low. PSPICE simulation results are performed to confirm the theoretical analysis.</description><identifier>ISSN: 1434-8411</identifier><identifier>EISSN: 1618-0399</identifier><identifier>DOI: 10.1016/j.aeue.2009.07.015</identifier><language>eng</language><publisher>Elsevier GmbH</publisher><subject>Amplifiers ; Capacitors ; CMOS ; Electric potential ; Electronically tunable ; Electronics ; High impedance ; OTA ; Transconductance ; Universal filter ; Voltage ; Voltage-mode</subject><ispartof>International journal of electronics and communications, 2010-10, Vol.64 (10), p.934-939</ispartof><rights>2009 Elsevier GmbH</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c332t-f2a1ddfc59dedd31073eb5b81ec3b4196227e511a4eefc79db8db84f777b0ddc3</citedby><cites>FETCH-LOGICAL-c332t-f2a1ddfc59dedd31073eb5b81ec3b4196227e511a4eefc79db8db84f777b0ddc3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.aeue.2009.07.015$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,777,781,3537,27905,27906,45976</link.rule.ids></links><search><creatorcontrib>Kumngern, Montree</creatorcontrib><creatorcontrib>Knobnob, Boonying</creatorcontrib><creatorcontrib>Dejhan, Kobchai</creatorcontrib><title>Electronically tunable high-input impedance voltage-mode universal biquadratic filter based on simple CMOS OTAs</title><title>International journal of electronics and communications</title><description>This paper describes a new electronically tunable three inputs and single output voltage-mode universal biquadratic filter based on simple CMOS operational transconductance amplifiers (OTAs) and grounded capacitors. The proposed configuration provides lowpass, highpass, bandpass, bandstop and allpass voltage responses at a high impedance input terminal, which enable easy cascadability. Additionally, the circuit parameters
ω
o
and
Q can be set orthogonally by adjusting the transconductances and grounded capacitors. The filter also offers an independent electronic control of parameters
ω
o
by adjusting the transconductance through the bias current/voltage of the OTA. For realizing all the filter responses, no critical component matching condition is required, and all the incremental parameter sensitivities are low. PSPICE simulation results are performed to confirm the theoretical analysis.</description><subject>Amplifiers</subject><subject>Capacitors</subject><subject>CMOS</subject><subject>Electric potential</subject><subject>Electronically tunable</subject><subject>Electronics</subject><subject>High impedance</subject><subject>OTA</subject><subject>Transconductance</subject><subject>Universal filter</subject><subject>Voltage</subject><subject>Voltage-mode</subject><issn>1434-8411</issn><issn>1618-0399</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kMtqwzAQRU1poWnaH-hKu67sauSHbOgmhPQBKVk0XQtZGicKipVIdqB_X4V0XRiYWdxzYU6SPALNgEL1vMskjpgxSpuM8oxCeZVMoII6pXnTXMe7yIu0LgBuk7sQdpQyylk1SdzCohq8642S1v6QYexla5FszWabmv4wDsTsD6hlr5CcnB3kBtO900jG3pzQB2lJa46j1F4ORpHO2AE9aWVATVxPQqRj3fxz9UVW61m4T246aQM-_O1p8v26WM_f0-Xq7WM-W6Yqz9mQdkyC1p0qG41a50B5jm3Z1oAqbwtoKsY4lgCyQOwUb3Rbxyk6znlLtVb5NHm69B68O44YBrE3QaG1skc3BlEzVkIDFYtJdkkq70Lw2ImDN3vpfwRQcZYrduIsV5zlCspFlBuhlwuE8YeTQS-CMhgdaeOjT6Gd-Q__BeI2hbU</recordid><startdate>201010</startdate><enddate>201010</enddate><creator>Kumngern, Montree</creator><creator>Knobnob, Boonying</creator><creator>Dejhan, Kobchai</creator><general>Elsevier GmbH</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>8FD</scope><scope>L7M</scope></search><sort><creationdate>201010</creationdate><title>Electronically tunable high-input impedance voltage-mode universal biquadratic filter based on simple CMOS OTAs</title><author>Kumngern, Montree ; Knobnob, Boonying ; Dejhan, Kobchai</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c332t-f2a1ddfc59dedd31073eb5b81ec3b4196227e511a4eefc79db8db84f777b0ddc3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Amplifiers</topic><topic>Capacitors</topic><topic>CMOS</topic><topic>Electric potential</topic><topic>Electronically tunable</topic><topic>Electronics</topic><topic>High impedance</topic><topic>OTA</topic><topic>Transconductance</topic><topic>Universal filter</topic><topic>Voltage</topic><topic>Voltage-mode</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kumngern, Montree</creatorcontrib><creatorcontrib>Knobnob, Boonying</creatorcontrib><creatorcontrib>Dejhan, Kobchai</creatorcontrib><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>International journal of electronics and communications</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kumngern, Montree</au><au>Knobnob, Boonying</au><au>Dejhan, Kobchai</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Electronically tunable high-input impedance voltage-mode universal biquadratic filter based on simple CMOS OTAs</atitle><jtitle>International journal of electronics and communications</jtitle><date>2010-10</date><risdate>2010</risdate><volume>64</volume><issue>10</issue><spage>934</spage><epage>939</epage><pages>934-939</pages><issn>1434-8411</issn><eissn>1618-0399</eissn><abstract>This paper describes a new electronically tunable three inputs and single output voltage-mode universal biquadratic filter based on simple CMOS operational transconductance amplifiers (OTAs) and grounded capacitors. The proposed configuration provides lowpass, highpass, bandpass, bandstop and allpass voltage responses at a high impedance input terminal, which enable easy cascadability. Additionally, the circuit parameters
ω
o
and
Q can be set orthogonally by adjusting the transconductances and grounded capacitors. The filter also offers an independent electronic control of parameters
ω
o
by adjusting the transconductance through the bias current/voltage of the OTA. For realizing all the filter responses, no critical component matching condition is required, and all the incremental parameter sensitivities are low. PSPICE simulation results are performed to confirm the theoretical analysis.</abstract><pub>Elsevier GmbH</pub><doi>10.1016/j.aeue.2009.07.015</doi><tpages>6</tpages></addata></record> |
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| identifier | ISSN: 1434-8411 |
| ispartof | International journal of electronics and communications, 2010-10, Vol.64 (10), p.934-939 |
| issn | 1434-8411 1618-0399 |
| language | eng |
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| source | Elsevier ScienceDirect Journals |
| subjects | Amplifiers Capacitors CMOS Electric potential Electronically tunable Electronics High impedance OTA Transconductance Universal filter Voltage Voltage-mode |
| title | Electronically tunable high-input impedance voltage-mode universal biquadratic filter based on simple CMOS OTAs |
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