A new VM KHN-filter suitable for MOSFET-C technology

Ibrahim M., Kuntman H.

IEEE 12th Signal Processing and Communications Applications Conference, Kusadasi, Turkey, 28 - 30 April 2004, pp.125-128 identifier identifier

  • Publication Type: Conference Paper / Full Text
  • Doi Number: 10.1109/siu.2004.1338274
  • City: Kusadasi
  • Country: Turkey
  • Page Numbers: pp.125-128
  • Istanbul Technical University Affiliated: No


In this paper, a new voltage-mode Kenvin-Huelsman-Newcomb (KHN) biquad is proposed. The proposed circuit employs three differential voltage cur-rent feedback amplifiers (DVCFAs) as active elements together with two capacitors and two MOS transistors. The circuit simultaneously provides the three basic filter functions, namely bandpass (BP), highpass (HP) and lowpass (LP) functions. The output signals are obtained at low output impedance ports, which is important for easy cascading in voltage-mode operation. SPICE simulation results are given to verify the theoretical analysis.