Using pspice for circuits with dependent sources the problems in this tutorial and the corresponding homework continue to deal with the dc. Dont leave it float, neither connect it to a voltage source directly. However, you will need to explicitly command hspice to generate the extra. Title line is always the first line of the input file. Mentor graphics reserves the right to make changes in specifications and other information contained in this publication without prior notice, and the. Parameter v0 is the dc offset voltage and gain is the amplitude. For detailed information, see voltage and current controlled elements in the hspice simulation and analysis user guide. Option macmod enables hspice mosfet to access the subcircuit definition when there is no matching model reference or enables an hspice xelement to access the model reference when there is no matching. The next thing that you have to do is get some or all of the parts you need.
E elements voltage controlled voltage source vcvs linear polynomial piecewise linear. In the following example, the frequency of the sinusoidal output voltage at node out is controlled by the voltage at node control. V1 1 0 dc5v v1 1 0 5v i1 1 0 dc5ma i1 1 0 5ma the first two examples specify a dc voltage source of 5 v connected between node 1 and ground. This document is for information and instruction purposes. Using sources and stimuli independent source elements starhspice manual, release 1998. Vname is the zerovalue voltage source whose current controls the. Figure 1 above shows an example of a circuit with a current controlled voltage source. Hspice tutorial university of california, berkeley. If you arent sure where to put it, place it near the bottom of the drawing. Voltage controlled oscillator vco use the keyword vol to define a singleended input that controls the output of a vco. 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. This manual generally follows the conventions used in the microsoft windows users guide. For information on these components, check the spice manual.
Open a new pspice project and enter this schematic. Current controlled current sources cccs linear exxx voltage controlled element name. Independent source elements using sources and stimuli 54 star hspice manual, release 1998. How to model a voltage controlled switch in hspice. Must begin with an i, which can be followed by up to 1023 alphanumeric characters. 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 is just a program that takes in a netlist a simple text. Mentor graphics reserves the right to make changes in specifications and other information contained in this. Related documents the following documents pertain to. Chapter 5 using sources and stimuli class home pages. 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. Input file hspice input is composed of mainly four part. Controlled sources model gate switching action for the. Resistor r b and capacitor c b form a b1 2015 oxford university press reprinting or distribution, electronically or otherwise, without the express written consent of oxford university press is prohibited. Spice quick reference sheet the general anatomy of a spice.
Voltage and currentcontrolled switches voltage controlled. Star hspice has four voltage and current controlled elements, known as e, g, h, and f elements. You can use these controlled elements in star hspice to model both mos and bipolar transistors, tunnel diodes, scrs, as well as analog functions such as operational amplifiers, summers, comparators, voltage controlled oscillators, modulators, and. Netlisting by signal mode controlled sources controlled sources model both analog and digital circuits at the behavioral level, allowing for fast mixedsignal simulation times and providing a means to model system level operations. Pspice schematic with current controlled voltage source note that the right side of the device goes where the voltage source appears in the circuit.
E 4 voltage controlled voltage source p, n, cp, cn f 2 current controlled current source p, n g 4 voltage controlled current source p, n, cp, cn h 2 current controlled voltage source p, n i 2 fixed current source p, n j 3 jfet d, g, s k 0 coupling for inductors l 2 inductor p, n. Hspice simulation and analysis user guide version x2005. Voltage and current controlled elements hspice supports the following voltage and current controlled elements. The left side is connected so that the controlling current in this case i 0 runs through the left side of the dependent source symbol. Eldo users manual university of kentucky college of. Passive devices diodes jfet and mesfet devices bjt devices inside this manual this manual contains the chapters described below. 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. With over 500,000 copies distributed so far, many users have reported. When prompted for an hspice source file name, enter example1.
The editor will ask you to confirm that you want to create a new file. Ngspice users manual version 31 describes ngspice release version holger vogt, marcel hendrix, paolo nenzi september 22nd, 2019. Hspice simulation and analysis user guide version y2006. Awaves is a program that allows you to graphically plot the results of the hspice analysis. For more specific details and examples refer to the relevant manual.
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