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Introducing LTspice XVII Circuit Simulator
Published in Pooja Mohindru, Pankaj Mohindru, Electronic Circuit Analysis using LTspice XVII Simulator, 2021
Pooja Mohindru, Pankaj Mohindru
LTspice is a high-performance and easy-to-use circuit simulator based on the SPICE (Simulation Program with Integrated Circuit Emphasis) software. Initially, the general-purpose simulator SPICE was developed at the Electronics Research Laboratory of the University of California, Berkeley (1975) for modeling, analyzing, and displaying electronic (specifically analog) circuits’ behavior. LTspice XVII (the latest version) software package is an excellent schematic-driven circuit simulation program that uses SPICE algorithms to run industry-standard semiconductor and behavioral model simulations very fast. The schematic is a user-friendly interface that allows the user to build circuits (with standard component symbols or models) that can be seen on the screen directly so that they can easily understand them and simulate them without employing the circuit defining SPICE data statements with a specific format or syntax. The schematic capture program transforms the schematic diagram into a netlist which can be easily understood by SPICE. The generated netlist for a particular circuit can be further saved and used in a subsequent analysis of the same circuit.
AC circuits
Published in Charlie Cullen, Learn Audio Electronics with Arduino, 2020
The previous examples help to illustrate the amount of time and effort needed to work through the calculations needed to analyse even simple resistor capacitor circuit combinations. In addition, it is very easy to make mistakes with scales and quantities, and so automated simulation tools become an essential part of designing and prototyping circuits. Tinkercad is a great simulation tool, but it does not carry out some of the more advanced analysis needed for audio signals and circuits. LTspice is a very powerful software tool for electronic circuit analysis and simulation. LTspice is free to use and runs on both the OSX and Windows platforms. This section provides a brief overview of how to use LTspice, prior to analysing two circuits in the example projects that follow. LTspice can be downloaded from the Analog Devices website (www.analog.com) at the following link: www.analog.com/en/design-center/design-tools-and-calculators/LTspice-simulator.html#.
Improved topology of high voltage gain DC-DC converter with boost stages
Published in International Journal of Electronics Letters, 2021
Shakeel Ahmad, Mashood Nasir, Jerzy Dąbrowski, Josep M. Guerrero
In Mode-3 (Figure 6) S1 is ON and S2 is OFF. Diodes D12 and D21 are forward biased and capacitors C11 and C21 are being charged while C12 and C22 are being discharged. The output diode D01 is reverse biased while D02 is forward biased charging C0 and supplying the load. The simulated waveforms of the converter shown in Figure 7 are generated using LTspice simulator with detailed model of Metal Oxide Semiconductor Field Effect Transistor (MOSFET) and diode.