A versatile active RC building block with inherent compensation for the finite bandwidth of the amplifier
An earlier paper by the authors describes an easily trimmed universal building block for active RC filters which possesses the valuable characteristic that, with suitable design, the Q -value can be made approximately independent of the gain-bandwidth product of the operational amplifiers. This make...
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| Veröffentlicht in: | IEEE transactions on circuits and systems 1974-01, Vol.21 (1), p.75-78 |
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| container_end_page | 78 |
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| container_issue | 1 |
| container_start_page | 75 |
| container_title | IEEE transactions on circuits and systems |
| container_volume | 21 |
| creator | Akerberg, D. Mossberg, K. |
| description | An earlier paper by the authors describes an easily trimmed universal building block for active RC filters which possesses the valuable characteristic that, with suitable design, the Q -value can be made approximately independent of the gain-bandwidth product of the operational amplifiers. This makes the filter usable for high frequencies, while at the same time the dependence of the Q -value on temperature variations in the operational amplifiers is drastically reduced. Design formulas are presented, as well as comparative measurements which verify the theory. The building block is shown to have excellent characteristics both as a universal second-order building block and as a standard block for active ladder synthesis of bandpass filters. |
| doi_str_mv | 10.1109/TCS.1974.1083785 |
| format | Article |
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This makes the filter usable for high frequencies, while at the same time the dependence of the Q -value on temperature variations in the operational amplifiers is drastically reduced. Design formulas are presented, as well as comparative measurements which verify the theory. The building block is shown to have excellent characteristics both as a universal second-order building block and as a standard block for active ladder synthesis of bandpass filters.</description><identifier>ISSN: 0098-4094</identifier><identifier>EISSN: 1558-1276</identifier><identifier>DOI: 10.1109/TCS.1974.1083785</identifier><identifier>CODEN: ICSYBT</identifier><language>eng</language><publisher>IEEE</publisher><subject>Active filters ; Bandwidth ; Circuit theory ; Electrons ; Feedback amplifiers ; Filtering ; Frequency dependence ; Operational amplifiers ; Semiconductor optical amplifiers ; Transfer functions</subject><ispartof>IEEE transactions on circuits and systems, 1974-01, Vol.21 (1), p.75-78</ispartof><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c261t-e9386d5109bfccdebf24acc2802240eba3117df19db4fb34531c0a882eca65b23</citedby><cites>FETCH-LOGICAL-c261t-e9386d5109bfccdebf24acc2802240eba3117df19db4fb34531c0a882eca65b23</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/1083785$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27924,27925,54758</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/1083785$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Akerberg, D.</creatorcontrib><creatorcontrib>Mossberg, K.</creatorcontrib><title>A versatile active RC building block with inherent compensation for the finite bandwidth of the amplifier</title><title>IEEE transactions on circuits and systems</title><addtitle>T-CAS</addtitle><description>An earlier paper by the authors describes an easily trimmed universal building block for active RC filters which possesses the valuable characteristic that, with suitable design, the Q -value can be made approximately independent of the gain-bandwidth product of the operational amplifiers. This makes the filter usable for high frequencies, while at the same time the dependence of the Q -value on temperature variations in the operational amplifiers is drastically reduced. Design formulas are presented, as well as comparative measurements which verify the theory. The building block is shown to have excellent characteristics both as a universal second-order building block and as a standard block for active ladder synthesis of bandpass filters.</description><subject>Active filters</subject><subject>Bandwidth</subject><subject>Circuit theory</subject><subject>Electrons</subject><subject>Feedback amplifiers</subject><subject>Filtering</subject><subject>Frequency dependence</subject><subject>Operational amplifiers</subject><subject>Semiconductor optical amplifiers</subject><subject>Transfer functions</subject><issn>0098-4094</issn><issn>1558-1276</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1974</creationdate><recordtype>article</recordtype><recordid>eNpNkE1Lw0AQhhdRsFbvgpf9A6mzm02yeyxBrVAQtJ7Dfsza1TQpm7XFf29qe_A08M77DMxDyC2DGWOg7lf124ypSswYyLySxRmZsKKQGeNVeU4mAEpmApS4JFfD8AkAUkk5IWFOdxgHnUKLVNsUdkhfa2q-Q-tC90FN29svug9pTUO3xohdorbfbLE7MH1HfR9pWiP1oQsJqdGd2wc31nv_l-vNtg0-YLwmF163A96c5pS8Pz6s6kW2fHl6rufLzPKSpQxVLktXjC8Zb61D47nQ1nIJnAtAo3PGKueZckZ4k4siZxa0lBytLgvD8ymB410b-2GI6JttDBsdfxoGzUFVM6pqDqqak6oRuTsiARH_1Y_bXxgmZ0Y</recordid><startdate>197401</startdate><enddate>197401</enddate><creator>Akerberg, D.</creator><creator>Mossberg, K.</creator><general>IEEE</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>197401</creationdate><title>A versatile active RC building block with inherent compensation for the finite bandwidth of the amplifier</title><author>Akerberg, D. ; Mossberg, K.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c261t-e9386d5109bfccdebf24acc2802240eba3117df19db4fb34531c0a882eca65b23</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1974</creationdate><topic>Active filters</topic><topic>Bandwidth</topic><topic>Circuit theory</topic><topic>Electrons</topic><topic>Feedback amplifiers</topic><topic>Filtering</topic><topic>Frequency dependence</topic><topic>Operational amplifiers</topic><topic>Semiconductor optical amplifiers</topic><topic>Transfer functions</topic><toplevel>online_resources</toplevel><creatorcontrib>Akerberg, D.</creatorcontrib><creatorcontrib>Mossberg, K.</creatorcontrib><collection>CrossRef</collection><jtitle>IEEE transactions on circuits and systems</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>Akerberg, D.</au><au>Mossberg, K.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>A versatile active RC building block with inherent compensation for the finite bandwidth of the amplifier</atitle><jtitle>IEEE transactions on circuits and systems</jtitle><stitle>T-CAS</stitle><date>1974-01</date><risdate>1974</risdate><volume>21</volume><issue>1</issue><spage>75</spage><epage>78</epage><pages>75-78</pages><issn>0098-4094</issn><eissn>1558-1276</eissn><coden>ICSYBT</coden><abstract>An earlier paper by the authors describes an easily trimmed universal building block for active RC filters which possesses the valuable characteristic that, with suitable design, the Q -value can be made approximately independent of the gain-bandwidth product of the operational amplifiers. This makes the filter usable for high frequencies, while at the same time the dependence of the Q -value on temperature variations in the operational amplifiers is drastically reduced. Design formulas are presented, as well as comparative measurements which verify the theory. The building block is shown to have excellent characteristics both as a universal second-order building block and as a standard block for active ladder synthesis of bandpass filters.</abstract><pub>IEEE</pub><doi>10.1109/TCS.1974.1083785</doi><tpages>4</tpages></addata></record> |
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| identifier | ISSN: 0098-4094 |
| ispartof | IEEE transactions on circuits and systems, 1974-01, Vol.21 (1), p.75-78 |
| issn | 0098-4094 1558-1276 |
| language | eng |
| recordid | cdi_ieee_primary_1083785 |
| source | IEEE Electronic Library (IEL) |
| subjects | Active filters Bandwidth Circuit theory Electrons Feedback amplifiers Filtering Frequency dependence Operational amplifiers Semiconductor optical amplifiers Transfer functions |
| title | A versatile active RC building block with inherent compensation for the finite bandwidth of the amplifier |
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