Generation and classification of Kerwin–Huelsman–Newcomb circuits using the DVCC

Self Cite

SUMMARYNodal admittance matrix (NAM) expansion is used to generate a family of grounded passive component Kerwin Huelsman Newcomb (KHN) circuits. The generated KHN circuits have independent control on the selectivity factor and the radian frequency as in the original KHN, besides they have independent control on the gain, which is not achievable in the original KHN circuit. The NAM expansion is based on using nullor elements and voltage mirror and current mirror as well. Two types of the KHN circuit are considered, each includes four classes. For each class it is found that there are 32 different KHN circuit; therefore, there is a total of 128 circuits that belong to type-A KHN and a similar number for type-B KHN circuits. Simulation results are included to support the generation method.

Section: Generation Of Class-imentioning

confidence: 92%

“…As classified before in [12] the circuit equations of the other three classes of Type A are also given in Table I.…”

Section: Nam Description Of Two Types Of Khn Circuitsmentioning

confidence: 99%

Generation of Kerwin‐Huelsman‐Newcomb biquad filter circuits using nodal admittance matrix expansion

Soliman

2011

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“…Kerwin-Huelsman-Newcomb biquadratic filters can be derived in different variations, which work in a voltage-mode [25][26][27], current-mode [28][29][30][31], or its combination, the so-called mixed-mode [32][33][34] operational regime. In all the cases, a necessary dynamics is achieved by lossless integrators.…”

Section: General Circuit Conception Of Kerwin-huelsman-newcomb Filtermentioning

confidence: 99%

On the existence of chaos in the electronically adjustable structures of the state variable filters

Petržela

2016

SUMMARYAs demonstrated in the paper, chaotic motion can appear in state variable filters, that is, common network structures dedicated for analog signal processing. In particular, two Kerwin-Huelsman-Newcomb biquadratic filtering sections are considered for theoretical, numerical and experimental analysis. Mathematical models are designed, and conditions for evolution of typical strange attractors are provided. The corresponding largest Lyapunov exponent is calculated and visualized as a function of internal system parameters and the shape of input harmonic waveform. Mutual connection between the mathematical model and the real lumped electronic circuit is discussed in detail.

“…Present requirement for realizing analog filters with capabilities for low‐voltage operation and electronic adjustment of their frequency characteristics has gained a significant research effort toward these goals 1–16.…”

Section: Introductionmentioning

confidence: 99%

Design of Sinh‐Domain filters using complementary operators

Kasimis

Psychalinos

2011

SUMMARYA new systematic method for designing Sinh-Domain filters is introduced in this paper. This is achieved by employing an appropriate set of complementary operators, in order to transpose the conventional functional block diagram representation of each linear operation to the corresponding one into the Sinh-Domain. The proposed method offers the benefits of facilitating the design procedure of high-order Sinh-Domain filters and of the absence of any restriction concerning the type and/or the order of the realized filter function. As an example, a third-order Sinh-Domain leapfrog filter is designed by employing the proposed set of operators. Two possible realizations are given and their performance has been evaluated and compared through simulation results.