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. The procedure for opening an xwindow varies depending on the type of computer you are using. Introduction simulation program with integrated circuit emphasis spice is a simulation tool used by engineers throughout the world for simulating circuits of all types. Starhspice quick reference guide columbia university. Multiple analyses and plots in spice2 emulation mode under 3f2 and earlier. Op statement to produce an operating point during a transient analysis. With over 500,000 copies distributed so far, many users have reported. General options altccn enables reading the input netlist once for multiple. Syntax notation the meaning of a parameter may depend on its location in the statement. Commands and control options provides reference information for hspice and hspice rf commands and options. Concise spice ihsan djomehri, spring 1999 1 introduction to circuit simulation developed at berkeley in the 70s, spice has evolved into the tool of choice for circuit level simulation. Iteratively searching of exact solution at transient analysis.
Before running hspice, users should execute the command source usrclassee dot. Chapter 5 using sources and stimuli class home pages. Since its development at the university of california berkeley, spice has been. If its name contains version xxplus, it describes the actual code status, found at the date of issue in the git source code management scm tool. This manual describes the individual hspice commands you can use to simulate and. Suggested reading in addition to the second tutorial. Sill hspice tutorial final free download as powerpoint presentation. Digital circuit simulation using hspice recommended starting tutorial. Star hspice quick reference guide 11 1chapter 1 introduction this quick reference guide is a condensed version of the star hspice manual. Hspice elements and device models manual version x2005. Stability problems tran sometimes a transient analysis shows a ringing or oscillation that shouldnt be there. Op statement is included in an input file, the dc operating point of the. Hspice is just a program that takes in a netlist a simple text.
Performing initialization and analysis scudc helpme. Setting of values stored in an initial conditions file then. Hsice simulation guide penn state college of engineering. Brief introduction to hspice simulation wojciech giziewicz 1 introduction this document is based on one written by ihsan djomehri, spring 1999. For more details on hspice input file format, please refer to the. This manual is not a book about learning spice usage, however the novice user may. Option opt1 opt2 opt3 opt1 opt2 specify an input control option. However, you will need to explicitly command hspice to generate the extra. Nodeset statements, finds an operating point that you can save with. How can i learn spice netlist commands in detail to. Getting started with hspicea tutorial gives an example hspice netlist. Elements and device models describes standard models you can use when simulating your circuit designs in hspice, including passive devices, diodes, jfet and mesfet devices, and bjt devices. Because i simulate the large circuit, and it cannot converage, as the result, i use the.
This manual contains the reference material needed when working with special circuit analyses in pspice. The intent of this guide is to have a handy quick reference. Related documents the following documents pertain to. Be sure that a complete set of parameters is entered in the correct sequence before. Tstep is the printing increment, and tstop is the final time. Tips for using hspice university of california, berkeley. Nodeset statements, finds an operating point that you can save with a. Audience this manual is intended for design engineers who use starhspice to develop, test, analyze, and modify circuit designs.
Audience this manual is intended for design engineers who use star hspice to develop, test, analyze, and modify circuit designs. Starhspice quick reference guide 11 1chapter 1 introduction this quick reference guide is a condensed version of the starhspice manual. Originally developed at berkeley in the late 60s and early 70s, spice has evolved into one of the tools of choice for circuit simulation. Op statement is included in an input file, the dc operating point of the circuit is calculated. Significant problems with ac sensitivities in 3f2 only have been fixed. Performing initialization and analysis the first task star hspice performs for.
Using dc initialization and operating point statements dc initialization and point analysis 68 starhspice manual, release 1998. Circuit 1 determines the dc operating point and smallsignal transfer of a differential pair. Introduces through examples most of the commands required for the hws. Circuit 2 output characteristics of a mosfet circuit 3 transient response of an inverter. Chapter 6 dc initialization and point analysis oregon state. Op statement can appear in a star hspice simulation. Chapter 11, using hspice with hspice rf describes how various analysis features differ in hspice rf as compared to standard hspice. Chapter 6 dc initialization and point analysis class home pages. Hspice simulation and analysis user guide version x2005. Commands and control options if you have access you may download easily, if not, i have searched for you online and there are some old manuals 2008 available on internet.
Difficulty in reading input hspice manual pdf bitbin. Just add a resistor between the node and ground, or use the. It does this either by calculating all of the values or by applying values specified in. Ic statements or stored in an initial conditions file. This handout seeks to provide a concise, fairly comprehensive introduction to hspice version 98.
This manual generally follows the conventions used in the microsoft windows users guide. Hspice tutorial university of california, berkeley. Virtuoso analog design environment user guide product version 5. Op statement can appear in a starhspice simulation. Spectre circuit simulator user guide january 2004 7 product version 5. Included in this manual are detailed command descriptions, startup option definitions, and a pspice your microsoft windows users guide. If its name contains version xxplus, it describes the actual code status, found at the date of issue in. How to use this manual the manual is a work in progress. Tran analyses is to set the dc operating point values for all nodes and sources. Using dc initialization and operating point statements dc initialization and point analysis 68 star hspice manual, release 1998. Spectre circuit simulator user guide columbia university. In addition, text files for reading and printing and graphic files for direct printing from vin in lines 7 and 8 is the input voltage to the circuit for transient analyses.
Awaves is a program that allows you to graphically plot the results of the hspice analysis. 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. For more specific details and examples refer to the relevant manual. This guide describes how to use hspice to simulate and analyze your circuit designs. If you have questions, read the section on workstation basics later in this handout. Performing initialization and analysis the first task starhspice performs for. Nodeset commands, finds an operating point that you can save with a.
Spice reads in a list of circuit nodes and the elements between. Nov 04, 2017 29 jan 1998 hspice users manual and metawaves help and manual. This manual describes the individual hspice commands you can use to simulate. For more specific details and examples refer to that manual. This manual is intended to provide a complete description of ngspices functionality, features, commands, and procedures. Using dc initialization and operating point statements. Ic statement to provide both an initial guess and final.
33 1441 862 423 1466 356 1507 1308 220 502 305 1025 324 545 1372 1073 737 1349 894 14 80 1046 156 575 609 499 1263 139 808 821 1253 556