A 22.5 MHz current-mode KHN-biquad using differential voltage current conveyor and grounded passive elements

By M. A. Ibrahim, S. Minaei, H. Kuntman. 2005

309 citations recorded by the source corpus.

Abstract In this paper, a current-mode (CM) Kerwin–Huelsman–Newcomb (KHN) biquad is proposed. The circuit employs three differential-voltage current conveyors (DVCCs) as active elements together with two capacitors and four resistors as passive elements, which all are grounded. The circuit simultaneously provides the three basic filter functions, namely bandpass (BP), highpass (HP) and lowpass (LP) functions. The notch and allpass (AP) functions can be obtained by connecting appropriate output currents directly without using additional active elements. The output signals are obtained at high output impedance ports, which is important for easy cascading in CM operation. SPICE simulation results are given to verify the theoretical analyses.

Subfields: Biomedical Engineering, Electrical and Electronic Engineering

View Paper: https://www.semanticscholar.org/paper/5643e2043246728735152f47976150c325db2522

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Citations in the corpus

• CMOS current-controlled current differencing transconductance amplifier and applications to analog signal processing (2008, background): “It employs only one active element and 2 grounded capacitors, which is easy to fabricate, differing from previous circuits [9,10].”