Be sure that a complete set of parameters is entered in the correct sequence before. Hspice options for details about the hspice simulators global parameters and options, see the hspice. See setting up analyses on page 282 for a description of the analysis setup dialog box. Hspice simulation internal timestep too small in transient. Hspice applications manual provides application examples and additional. Hspice tutorial university of california, berkeley.
Hspice 2017 manual 2017 hspice manual documents home new updated files for 2017 hspice manual. Hspice does not give the dc voltages unless you have specified a certain analysis type, such as. Methodname sets numerical integration method for a transient analysis to gear or trap default. How to use this online manual how to print this online manual xii how to print this online manual you can print any portion of this manual, or the entire book, to keep as a printed reference. You have to explicitly tell hspice to generate the extra.
Dc statement this chapter describes how to use the. Hspice signal integrity guide describes how to use hspice to maintain signal integrity in your chip design. Thus, if you are only interested in the dc voltages in hspice, you should specify the. Simulation and analysis describes how to use hspice to simulate and. For a quick reference of mastering hspice simulations of ee476, a quick reference is a quick solution. Tips for using hspice university of california, berkeley. 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. Transient analysis and operational amplifiers in pspice this tutorial describes the transient analysis in pspice along with an introduction to the operational amplifier. Ac analysis spice automatically does a dc analysis before doing a transient or ac analysis. Manual description hspice simulation and analysis user guide describes how to use hspice to simulate and analyze your circuit designs.
This tutorial is a guide to its use as a standalone tool for performing circuit simulation. For more specific details and examples refer to the relevant manual. Hspice transient analysis computes the circuit solution as a function of time over a time range specified in the. If you are not familiar with one of these editors, be sure to attend one of the athena minicourses offered andor get a hold of a manual for emacs or vi. Hspice basics an input netlist file must be created to begin the design entry and simulation process. Autostopn stops transient analysis after calculating all trigtarg, findwhen, and fromto measure functions. Spectre circuit simulator user guide january 2004 5 product version 5. Dc statement 45 kb ac sweep and signal analysis 7 kb analyzing. Existing spice decks created for spice3 can be easily modified to run under hspice, or can be rewritten to take advantage of features not available in spice3. If icsweep0, the next analysis does not use the results of the current analysis. Hspice is an analog circuit simulator similar to berkeleys spice3 capable of performing transient, steady state, and frequency domain analyses. Global parameters use this entry to specify the global parameters that will be used within the hspice analysis context.
The page numbers in the rest of this document refer to this manual. Spice quick reference sheet the general anatomy of a. The contents of this file appear later in this section. To use the hspice integration to the cadence virtuoso analog design environment, go to. Syntax notation the meaning of a parameter may depend on its location in the statement. Awaves is a program that allows you to graphically plot the results of the hspice analysis. Transient options autostopn stops transient analysis after calculating all trigtarg, findwhen, and fromto measure functions. Dc initialization and point analysis 146 kb performing transient analysis 141 kb using the.
Transient analysis and operational amplifiers in pspice. Hspice output graph data transient analysis results. Acmag1v, acphase0 degree ac frequency sweep range is specified in the. We do not provide such technical support for general circuit simulations that are not for the evaluation of ltc products. Chapter 11, using hspice with hspice rf describes how various analysis features differ in hspice rf as compared to standard hspice. Introduction spice is a generalpurpose circuit simulation. Type the following equivalent star hspice netlist into a file named. Option method trap and dvdt timesteps for example, due to trapezoidal oscillation, and hspice reports an internal timestep too small error, hspice then starts the autoconvergence process by default. Hspice is fully integrated with the synopsys galaxy custom designer sae. Hsice simulation guide mixed signal chip design lab. A dc analysis is automatically performed prior to a transient analysis to determine the transient initial conditions, and prior to an ac smallsignal analysis to determine the linearized, smallsignal models for.
Input file hspice input is composed of mainly four part. Option imax specifies the maximum timestep in timestep algorithms for transient analysis. Awaves is a program that allows you to graphically plot the results of the analysis that hspice did. The entries are names that are associated with numeric values. Ac sources impulse functions used for an ac analysis ac freq. However, you will need to explicitly command hspice to generate the extra. A brief users guide to hspice national chiao tung university. Overview of mosfet models mosfet output templates ideally, m1 one finger and m2 five fingers should have same values of channel current since their w and l values are same, but these values are different because for the fingered mosfets, the channel current, effective. Hspice simulation and analysis user guide version x2005. In this tutorial hspice will be used to perform a transient analysis of several cmos inverter models. Related documents the following documents pertain to.
Getting started with hspice 4 digital circuit simulation using hspice for the mos transistors in this file. Advance users may go on to the users manuals for specific commands and advance features proviced by hspice. Since transient analysis is dependent on time, it uses different analysis algorithms, control options with different convergencerelated issues and different initialization parameters. The procedure for opening an xwindow varies depending on the type of computer.
Since transient analysis is dependent on time, it uses different analysis algorithms, control options with different convergencerelated issues and different initialization parameters than dc analysis. Circuits may contain resistors, capacitors, inductors, mutual inductors, independent vol. Introduction hspice is a circuit simulation program. Tran perform a transient analysis differential equation solver see p. Hspice cannot use stated initial conditions to calculate the actual dc operating point. Setup if you did setup according to magic handout, then you dont have to do any setup for hspice and.
Audience this manual is intended for design engineers who use star hspice to develop, test, analyze, and modify circuit designs. Transient analysis of a cmos inverter using hspice youtube. This isnt really a main section, but hspice wont work without it, and many people forget about it. Introduction spice is a generalpurpose circuit simulation program for nonlinear dc, nonlinear transient, and linear ac analyses. Hsice simulation guide penn state college of engineering. Title line is always the first line of the input file. Hspice is fully integrated with the synopsys custom compiler simulation and analysis environment sae. Description date size the designers guide community forum veriloga veriloga with hspice jan 05 th, 2017, look for multilib problem in the hspice manual for details or use hspice64 on this system. Transient analysis of a circuit in this section of the tutorial, you will learn to perform a transient analysis on a circuit. Since this line is echoed back in the outputfile for the page header, it is a very good place to describe what this simulation is for. Domain analysis provides the impulse response of the circuit v1 1 0 ac10v,90 def. See the custom compiler simulation and analysis environment user guide.
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