The free response is considered of piezoelectric crystals (lithium niobate) with various polarities (including longitudinal only, shear only, and combined longitudinal and shear), which are stacked (mechanically and electrically in series) or are parallel (electrically parallel and mechanically uncoupled). Measurements of impedance magnitude from an impedance analyzer are compared with results ...

Historically, simulation of transient phenomena related to power systems has been carried on using the electromagnetic transients program (EMTP) [1] or one of its variants, such as the alternative transient program (ATP) or electromagnetic transients for dc (EMTDC), which are all based on the trapezoidal integration rule and the nodal approach. These software packages use fixed-step algorithms,...

During the conception and development phases of complex designs, electronics engineers usually need development tools that make the design faster and avoid breadboarding. Mathcad® and MATLAB® are among the most commonly used mathematical tools while PSpice® is certainly the most popular electronics simulator. This paper is not intended to be a tutorial; it only presents a few examples that illu...

In this paper, a Hewlett-Packard (HP) memristor model with new window function and its versatile characteristics are presented. SPICE behaviors of the linear nonlinear studied through PSpice simulation. High flexibility is demonstrated for emulating practical HP memristors. Furthermore, composite both investigated when two memristors connected in series parallel. The polarity each also taken in...

In this work, a model is developed to simulate the biological processes involved in nerve fibre transmission and subsequent muscle contraction. The model has been based on approximating biological structure and function to electrical circuits and as such was implemented on an electronics simulation software package called Pspice. Models of nerve, the nerve–muscle interface and muscle fibre have...