Multisim integrates industry standard spice simulation with an interactive schematic environment to instantly visualize and analyze electronic circuit behavior. A circuit with two independent and two dependent sources is solved by the superposition method. As discussed in class there are four types of dependent sources, two are voltage sources and two are current sources. Multisim also provides multisim live, which is a webbased electronic schematic capture and simulation tool with builtin spice, a based analog simulation that allows users to capture and simulate designs using 200 different components, anywhere with an internet connection. Whether in the college laboratory or a professional research laboratory, multisim 11. So you need to connect that line to the current controller the square thing attached to the current source, basically running a wire from the voltage source to one end of the controller, then running the other end of the controller to the 10ohm resistor deleting the connection between the resistor and the source so that they only connect. Multisim education edition help 372062l01 national. Ee1210 transistors and dependent sources laboratory. Any linear electric network or complex circuit with current and voltage sources can be replaced by an equivalent circuit containing of a single independent voltage source vth and a series resistance rth. The component toolbar contains buttons that let you select components from the multisim libraries for placement in your schematic. The multisim blue circuit design platform allows a wide variety of users interested in circuits to create. Use superposition to analyze circuits that have lots of voltage and current sources. Multisim component reference guide january 2007 374485a01 componentref.
The total output, then, is the algebraic sum of individual outputs from each independent source. Multisim live is a free, online circuit simulator that includes spice software, which lets you create, learn and share circuits and electronics online. The dependent causes two nodes to form a supernode. Lets consider the current amplifier circuit shown on figure 1. A brief tutorial has been included for getting started with national instruments multisim tm software. I am trying to make a circuit that uses a voltage controlled voltage sourcei believe, but the image that pspice wants me to use is not what i have written down on the drawn one. Please visit the main page of multisim on software informer.
As you will learn, multisim is an extremely deep piece of software. It contains one dependent voltage source, two independent voltage sources, two independent current sources and some resistors. Thanks for visiting the channel, dont forget to like, share and subscribe. The circuit has one independent current source and one dependent current source. Its advanced simulation engine can handle both analog and digital circuits and features realtime alwayson analysis. The dependent source only introduces a constraint on the solution. Ni multisim formerly multisim is an electronic schematic capture and simulation program which is part of a suite of circuit design programs, along with ni ultiboard.
Voltage and current sources circuit symbols ideal or independent sources ideal voltage source maintains the prescribed voltage across its terminals regardless of the current drawn from it ideal current source maintains the prescribed current through its terminals regardless of the voltage across those terminals controlled or dependent sources a voltage or current source. Analyze circuits with three independent sources using. Im having trouble with using multisim to construct. Three of these present an example circuit containing a dependent source which is never deactivated. Includes dependent and independent sources and grounds multimeter. Dependent sources are one of the critical components in creating models of electrical systems, especially devices like transistors. In this lab we will work with new components, instruments, and analyses. I os where i b and i os are, respectively, the input bias current and the input offset current specified by the opamp manufacturer. Multisim as a part of the circuit design suite combines the intuitive environment with ni ultiboard layout. A transient analysis with the uic option shows a sine wave at about 7 khz in the circuit listed below. The independent and dependent source means, whether the voltage or current sources are either depending upon some other source, or they are acting independently. The objectives of this laboratory session are to acquaint the students with a model of a bipolar junction transistor bjt and illustrate the reason we use dependent sources in modeling circuits. Theory im having trouble with using multisim to construct circuits with dependent sources self.
What is independent dependent voltage and current source. Superposition helps you to break down complex linear circuits composed of multiple independent sources into simpler circuits that have just one independent source. Ee 201 dependent sources 1 dependent sources as we begin to use simple circuits to model more complex circuit behavior, we need to add some items to our tool kit. Thevenins equivalent with dependent and independent sources problem 5. Multisim is one of the few circuit design programs to employ the original berkeley spice based software simulation. Download pspice for free and get all the cadence pspice models. Creating dependent sources in pspice all about circuits. If you want to start the simulation in steady state, the simulink input must be. Dependent sources superposition method circuit with dependent sources. A circuit with a vcvs chapter 2 simple dc circuits in your pspice supplement. Independent sources are turned off one at a time and the contribution of the on source is calculated.
Abm analog behavioral modeling sources are much more powerful than linear or polynomial controlled sources because the controlling expression for abms is more arbitrary and easier to use. Circuit analysis with dependent sources anode equations c. Electronics workbench multisim 8 simulation and capture. Applications of dependent sources mit opencourseware. Due to its highly accurate modeling capability, many colleges and universities use this type. Multisim component reference guide national instruments. Project 2 multisim and matlab mae 2 laguardia studocu.
Multisim is industry standard spice simulation and circuit design software for analog, digital, and power electronics in education and research. So, i thought i had this nodal, with dependent voltage source cracked. Choosing a backup generator plus 3 legal house connection options transfer switch and more duration. Nodal analysis circuit with dependent voltage source. About icircuit the realtime circuit simulator and editor. Input bias current ib and input offset current ios. The generated voltage is driven by the input signal of the block. Askelectronics submitted 12 months ago by deleted i cant figure it out for the life of me. V1 is a dependent voltage source where v1 3 vr1 meaning v1 equals to 3 times the voltage of r1. Multisim guides use the convention of an arrow to indicate the start of procedural information. Set your circuit parameters to achieve the desired filtering. Multisim electronics workbench is available in several different versions including a professional version, a demo version, a student version, and a textbook version. The remaining six specifically refer to the sources as being independent in stating the principle of superposition.
The four types of dependent sources are listed below in table 1 along with their abbreviation, pspice name and library. Nortons theorem maximum power transfer theorem supernode circuit analysis. Sources have special parameters that are enclosed in brackets. Voltage and current output abm sources are available. Multisim guides use the convention menuitem to indicate menu commands. With the latest release of multisim and ultiboard 11. Dependent sources behave just like independent voltage and current sources, except that the voltage or current depends in some way on another voltage or current in the circuit. The media on which you receive national instruments software are warranted not to fail to execute.
Documentation conventions when multisim guides refer to a toolbar button, an image of the button appears in the left column. Ee1210 transistors and dependent sources laboratory project 3 1 of 3. A bipolar junction transistor can be modelled as a dependent current source whose magnitude depends on the magnitude of the current fed into its. The simplest example is where the measurement and dependent source are in two isolated circuits. Multisim need help with placing current dependent current. Multisim tutorial michigan technological university. Nodal current controlled voltage source with multisim all about. From wikibooks, open books for an open world software. Notice that the polarity marked on component v1 does not necessarily indicate the actual polarity of voltage across component v1. Example of nodal analysis with dependent sources standard technique, except an additional equation is needed if the dependent variable is an unknown current as here. Hello, i am extremely new to circuits and circuit simulation software. How to use dependent current source in multisim youtube. Dc sweep performs a sequence of dc operating point simulations, changing the voltage or current of a selected source in predefined steps over a range of values.
The other three do not present an example in which dependent sources are present. Dependent sources figure 1 dependent sources depicted by. This generic source allows you to create a sophisticated behavioral. It is the perfect companion to students, hobbyists, and engineers. Iii connect dependent sources positive and negative terminal with the independents. Some of the basic instruments needed for this lab are described below.
For example,fileopen means choose the open command from the file menu. Nodal current controlled voltage source with multisim. We will introduce dependent sources in dc circuits. Abm sources generate an output waveform based on a userdefined expression. You can initialize the controlled voltage source block with a specific ac or dc voltage. In the theory of electrical networks, a dependent source is a voltage source or a current source whose value depends on a voltage or current elsewhere in the network dependent sources are useful, for example, in modelling the behavior of amplifiers. The source which supplies the active power to the network is known as the electrical source.
Refer to the end of lecture 5 notes for a circuit diagram. Electronic circuit simulation uses mathematical models to replicate the behavior of an actual electronic device or circuit. This tutorial introduces the dependent source elements in pspice. Multisim allows users to implement dependent sources in several different ways. Multisim is also available for students student edition. How to use multisim v12, then how to embed an image into word 2010 duration. In labs 1 and 2 you learned to measure voltage and resistance and current, by measuring the voltage across a shunt resistor and calculating the current using the mydaq, and how to simulate circuits using multisim. Circuit theorydependent sources wikibooks, open books. Review the instructions and reference material below, especially solution to the resistor network problem. Multisim was originally created by a company named electronics workbench, which is now a division of national. Multisim offers multiple ways to analyze the circuit using virtual instruments. A summarized description of my various woes and joys of the day.
Simulation software allows for modeling of circuit operation and is an invaluable analysis tool. The electrical source is of two types namely independent source and dependent source. I went and tried to find a few solved examples, however its surprisingly difficult to find something that. Ii familiar with multisim virtual software and be able to build circuit. R1 r2 r3 v1 v2 ra rb rc rd x y rth figure 17 so we now see that the thevenin equivalent resistance across terminals x. User interface 24 electronics workbench user interface the instruments toolbar contains buttons for each instrument, as described in 8. On the ac side, we will work with the transient analysis, function generator, and oscilloscope. I do not have multisim but in spice 3 that can be modeled with a linear independent voltage source v1 set to 0 and a nonlinear dependent source b. Facebook created a censorship tool for the chinese market. How to use multisim v12, then how to embed an image into word 2010.