A novel square-root domain realization of first order all-pass filter

ÖLMEZ S., ÇAM U.

TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES, cilt.18, sa.1, ss.141-146, 2010 (SCI-Expanded) identifier identifier

  • Yayın Türü: Makale / Tam Makale
  • Cilt numarası: 18 Sayı: 1
  • Basım Tarihi: 2010
  • Doi Numarası: 10.3906/elk-0904-11
  • Dergi Adı: TURKISH JOURNAL OF ELECTRICAL ENGINEERING AND COMPUTER SCIENCES
  • Derginin Tarandığı İndeksler: Science Citation Index Expanded (SCI-EXPANDED), Scopus, TR DİZİN (ULAKBİM)
  • Sayfa Sayıları: ss.141-146
  • Anahtar Kelimeler: Square-root domain circuits, All-pass filter, Slate-space synthesis, DESIGN, LAW
  • Dokuz Eylül Üniversitesi Adresli: Evet

Özet

In this paper, a new square-root domain, first order, all-pass filter based on the MOSFET square law is presented The proposed filter is designed by using nonlinear mapping on the state variables of a state space description of the transfer function To the best knowledge of the authors, the filter is the first square-root domain first order all-pass structure designed by using state space synthesis method in the literature The center frequency of the all-pass filter is not only attainable at megahertz frequencies but, also tunable by an external bias current The proposed filter operated 2 5 V supply voltage is constructed by current, mirrors, geometric mean circuits, a linear transconductor circuit, and a capacitor SPICE simulations are given to approve the theoretical analysis