Electronic Active Filters for Telecommunications

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Electronics

Active RC Electronic Biquad/Universal Self Compensated Filters

2° order, 3 base-stages biquad/universal continuous time analog active filters type resonant and, more particulary, active full self-compensation techniques to improve the frequency range, the stability and/or the selectivity of the filters themselves with a very low, or as if zero, cost. These active filters techniques are the only ones that can (fully) erase the parasitic poles using a single resistor or an additional operational amplifier which has a functionally filtering output. This patent extends to Italy (priority ITMI20031566 A1).

The Patents are available on the following (esp@cenet database) page:

http://worldwide.espacenet.com/publicationDetails/biblio?DB=EPODOC&II=0&ND=3&adjacent=true&locale=en_EP&FT=D&date=20050201&CC=IT&NR=MI20031566A1&KC=A1

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  • ABOUT THE ENTRANT

  • Name:
    Roberto Cavazzoni
  • Type of entry:
    individual
  • Profession:
    Inventor and electronic consultant
  • Number of times previously entering contest:
    2
  • Roberto's favorite design and analysis tools:
    Orcad Pspice
  • For managing CAD data Roberto's company uses:
    None
  • Roberto's hobbies and activities:
    Reparing Devices and I wrote and published a Book
  • Roberto belongs to these online communities:
    Inventando.it, Ideanextstep.com, BeeQuu
  • Roberto is inspired by:
    The Inspiration to Improve the World
  • Software used for this entry:
    Orcad P.S.P.I.C.E.
  • Patent status:
    patented