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      • Department of Electrical and Electronics Engineering
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      A reduction in the number of active components used in transconductance grounded capacitor filters

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      Author(s)
      Tan, Mehmet Ali
      Schaumann, R.
      Date
      1990
      Source Title
      Proceedings of the International Symposium on Circuits and Systems, IEEE 1990
      Print ISSN
      0271-4310
      Publisher
      IEEE
      Pages
      2276 - 2278
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      The number of active components in transconductance grounded capacitor filters is reduced. This reduction is possible in the case where capacitor loops and/or inductor cutsets exist in LC-ladder prototype. A more significant reduction is obtained in the OTA-C (operational transductance amplifier-capacitor version. The number of OTAs is reduced to 7 from 13 while the total capacitance value remains intact. It is also important to note that all transconductance elements or OTAs are identical except possibly one. The only drawback of this reduction is implementation of some floating capacitors instead of all grounded capacitors.
      Keywords
      Transconductance
      Capacitors
      Prototypes
      Signal processing
      Flow graphs
      Permalink
      http://hdl.handle.net/11693/27826
      Published Version (Please cite this version)
      http://doi.org/10.1109/ISCAS.1990.112462
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      • Department of Electrical and Electronics Engineering 3868
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