Spice quick reference sheet the general anatomy of a. Hsice simulation guide penn state electrical engineering. Ltspice is also called switchercad by its manufacturer, since they use it primarily for the design of switch mode power supplies smps. You have to explicitly tell hspice to generate the extra. This gives us a way to find currents flowing in elements. Ngspice users manual version 31 describes ngspice release version holger vogt, marcel hendrix, paolo nenzi september 22nd, 2019. Sources independent voltage and current sources, controlled sources. May 12, 2017 while ltspice is a windows program, it runs on linux under wine as well. For each of the previous discussed voltage sources, there exists the exact same source except that it produces current. Ngspice users manual ngspice28 ngspice release version holger vogt, marcel hendrix, paolo nenzi may 27, 2018. Introduction spice is a generalpurpose circuit simulation. The frequency of any ac source in the circuit is set to fstart. Tstep is the printing increment, and tstop is the final time. For more information, please refer to the spice users manual or books.
Ac statement ac sweep and signal analysis 96 star hspice manual, release 1998. The frequency increment value is defined by the increment option. The linked sites, articles and presented information are provided as a useful insight to help you decide on the type of engineering expert you might need. Hspice tutorial university of california, berkeley. Spice is an analogcircuit simulator that is used to calculate and display the circuit behaviour. Once generate netlist file, you can simulate by using hspice. Source element statements to specify dc, ac, transient, and mixed voltage and current sources grounding of voltage sources not necessary hspice assumes. Use independent source element statements to specify dc, ac, transient, and mixed independent voltage and current sources. Three independent sources can be used in hspice simulations. Name of an independent voltage or current source, element or model parameter or the temp temperature sweep keyword. Hspice multiplier on current sources this is implemented by making an expression out of the given current value. Quickstart tutorial for spice 3 university of exeter. Calculates transfer function from the given source in the circuit to the designated output.
As discussed in class there are four types of dependent sources, two are voltage sources and two are current sources. Voltage and current controlled elements hspice supports the following voltage and current. With over 500,000 copies distributed so far, many users have reported. The fourth example is a piecewise linear current controlled current source. For more specific details and examples refer to the relevant manual. Chapter 11, using hspice with hspice rf describes how various analysis features differ in hspice rf as compared to standard hspice. Awaves is a program that allows you to graphically plot the results of the hspice analysis. It was originally developed at the electronics research laboratory of the university of california, berkeley 1975. Using pspice for circuits with dependent sources the problems in this tutorial and the corresponding homework continue to deal with the dc analysis of circuits, or dc bias analysis in pspice. Brief introduction to hspice simulation wojciech giziewicz 1 introduction this document is based on one written by ihsan djomehri, spring 1999.
This page lists some typical circuit devices and their uses and notations in hspice. Some types of analysis use the associated analysis sources. Hspice simulation and analysis user guide version x2005. Scribd is the worlds largest social reading and publishing site. Simulation with hspice university of texas at dallas.
Hsice simulation guide penn state college of engineering. Syntax notation the meaning of a parameter may depend on its location in the statement. Mentor graphics reserves the right to make changes in specifications and other information contained in this publication without prior notice, and the. Refer to the document pspice user guide for more information. Hspice simulation and analysis user guide version y2006. Dc statement performing dc sweeps star hspice manual, release 1998. Im trying to make a simulation in which the maximum current of the voltage source is limited using hspice. This manual describes the starhspice circuit and device simulation software and how to. An independent current source, inrs, in parallel with the resistor models the thermal noise generated by a resistor. For more details on hspice input file format, please refer to the.
Related documents the following documents pertain to. You may recall that the independent sources and current sources has the statement form. Hspice supports source value sweep, referring to the source name spice style. Star hspice has a damped sinusoidal source that is the product of a dying exponential with a sine wave. Thus one can insert an independent voltage source of zero value in series with the element in which one wants to know the. Application of this waveform requires the specification of the sine wave frequency, the exponential decay constant, the beginning phase, and the beginning time of the waveform, as explained below. Introduction to hspice names begin with the element key letter exception. The general form for both current and voltage sources are shown below. When prompted for an hspice source file name, enter example1. Originally developed at berkeley in the late 60s and early 70s, spice has evolved into one of the tools of choice for circuit simulation. Tips for using hspice university of california, berkeley. Spice reads in a list of circuit nodes and the elements between.
The dc analysis can also be used to generate dc transfer curves. A more complete representation of the input source. Hspice calculates the operating condition, and form a smallsignal equivalent circuit for the given netlist. Hspice applications manual, and hspice command reference. Audience this manual is intended for design engineers who use star hspice to develop, test, analyze, and modify circuit designs. Translating a device print version of this book pdf file ixxxxxxx. Hspice features for running higherlevel simulations. Chapter 5 using sources and stimuli class home pages. The contents of this file appear later in this section. Data statement, and temperature sweep are selected, a parameter name must be chosen for the source value and subsequently referred to in the. See voltagecontrolled voltage source vcvs in the hspice simulation and analysis user guide. A more detailed list can be found in the spice manual. The name of a voltage and current source must start with v and i, respectively.
Holger vogt, marcel hendrix, paolo nenzi may 27, 2018. Resistor elements in a hspice or hspice rf netlist. In hspice, how to enhance its accuracy of output voltage. Hspice tutorial free download as powerpoint presentation. Download pspice for free and get all the cadence pspice models. Current dependent current sources f elements current controlled current source cccs the syntax is. Spice quick reference sheet the general anatomy of a spice. Star hspice independent source functions using sources and stimuli 58 star hspice manual, release 1998.
This document is for information and instruction purposes. You need to have at least one ac independent source. Ltspice iv getting started guideltspice iv getting started. However, you will need to explicitly command hspice to generate the extra. Indicates the source is to be used in ac small signal analysis. This manual describes the starhspice circuit and device simulation software and how to use it. It solves for the unknown node voltages and also the unknown currents through independent voltage sources. Cadence pspice technology offers more than 33,000 models covering various types of devices that are included in the pspice software. Different types of sources are used for different types of analysis. Sweep any parameter value sweep any source value sweep temperature range perform a dc monte carlo analysis random sweep perform a dc circuit optimization perform a dc model characterization. This section contains a description of the default instance templates to be added to the circuit using the addinstance function from the circuit module.
Data statements basic components resistors capacitors and inductors voltage and current sources independent dc sources independent ac sources transient sources sinusoidal sources piecewise linear source pwl pulse. Must begin with an i followed by up to 15 alphanumeric characters. Awaves is a program that allows you to graphically plot the results of the analysis that hspice did. This manual generally follows the conventions used in the microsoft windows users guide. Current dependent current lossy transmission line bipolar transistor current dependent current voltage controlled switch voltage dependent current current dependent voltage independent current source lossless transmission line uniform rcline independent current source independentvoltagesource jfet transistor mutual inductance. Independent and dependent voltage and current sources. Some of this was written using switchercad iii, and some was written using ltspice iv.
Be sure that a complete set of parameters is entered in the correct sequence before. The page numbers in the rest of this document refer to this manual. So far we have covered circuits with resistors and independent sources. A dc source, a frequencysweeping ac source, and time varying signals all can be modeled with standard hspice signal sources. This tutorial introduces the dependent source elements in pspice. Frank sill department of electrical engineering, federal university of minas gerais, a a to i c l 6627 cep 31270av.
696 919 1324 368 1278 629 861 791 1109 690 833 1104 181 479 1058 1131 405 11 1334 317 335 235 271 1455 1290 462 709 1355 1195 684 808 731