Orcad P-spice Modified Switches for Electrical and Electronic Circuits

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Year : 2024 | Volume : 11 | Issue : 03 | Page : 27 45
    By

    K. Bharath Kumar,

  1. Formerly Researcher, Oki Electric Company, R&D Division, Semiconductor and High-speed Devices, Tokyo, Japan

Abstract

Voltage dependent switch and Current dependent switch are extensively used to obtain open/short circuit in various networks for various applications. PSPICE /OrCAD software analog behavioral modellings options and Spice dependent sources are used to obtain control equivalent circuits for switches (P-spice built-in models) to be used for two types of applications. Different circuits (at DC, time-domain), and Spice files are described to simulation circuits with analyses. The following features are available with this type of Voltage controlled/Current controlled switches. 1. Kirchoff voltage-current laws are used to obtain open/short circuit even after attaching controlling voltage/current circuit to main circuit. 2. The controlling circuit is attached at the desired NODE/ across the branch of the main circuit. 3. Different networks can be connected OR separated by this procedure without affecting the purpose for which they are separated or connected. The techniques described would find various uses, firstly, analog behavioral modelling, and secondly in switching circuits. P-spice analog behavioral modelling and independent time domain, simulation with available models for Pulse, Piece-wise linear current/voltage generators. Normally, the Thevenin resistance is computed with DC or AC energy sources excitation shorting voltages and removing independent current sources. The Thevenin resistance for two types of circuits is determined by conventional method using Voltage/Current Pulse in time-domain, by making use of P-spice voltage and current switch. Two resistors with 1 ohm, and -1ohm value are used in controlling circuit.

Keywords: PSPICE, OrCAD, voltage/current, Kirchhoff’s current law, resistance

[This article belongs to Journal of Semiconductor Devices and Circuits ]

How to cite this article:
K. Bharath Kumar. Orcad P-spice Modified Switches for Electrical and Electronic Circuits. Journal of Semiconductor Devices and Circuits. 2024; 11(03):27-45.
How to cite this URL:
K. Bharath Kumar. Orcad P-spice Modified Switches for Electrical and Electronic Circuits. Journal of Semiconductor Devices and Circuits. 2024; 11(03):27-45. Available from: https://journals.stmjournals.com/josdc/article=2024/view=190464


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Regular Issue Subscription Original Research
Volume 11
Issue 03
Received 15/11/2024
Accepted 23/11/2024
Published 03/12/2024
177

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