Cascadable voltage-mode multifunction biquad employing single OTRA

KILINÇ S., Keskin A. U., ÇAM U.

FREQUENZ, cilt.61, ss.84-86, 2007 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 61
  • Basım Tarihi: 2007
  • Doi Numarası: 10.1515/freq.2007.61.3-4.84
  • Dergi Adı: FREQUENZ
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus
  • Sayfa Sayıları: ss.84-86
  • Anahtar Kelimeler: multifunction biquad, OTRA, active filters, OPERATIONAL TRANSRESISTANCE AMPLIFIER, IMMITTANCE SIMULATOR TOPOLOGIES, FILTER, INPUTS
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

A voltage-mode (VM), multi-input single-output (MISO) type multifunction biquad is proposed. It uses only one operational transresistance amplifier (OTRA) as the active element, while previously reported VM multifunction filters require more OTRAs. Proposed MISO type biquad configuration can realize all five different filter transfer functions. Theoretical results are verified with PSPICE simulations using a CMOS realization of OTRA.