Software electronics workbench

software electronics workbench

Multisim™ software integrates industry-standard SPICE simulation with an interactive schematic environment to instantly visualize and analyze electronic. The best Electronics Workbench alternatives are Circuit JS, QUCS and iCircuit. Our crowd-sourced lists contains more than 25 apps similar to. Electronic WorkBench simulates the design and construction of Electric Circuits. This is the most downloaded and used software. RPM VNC SERVER Мусорные пластмассовые контейнеры также осуществляется и городу Костроме. Куботейнеры для для колбас, хранения рыбы, пищевых и фруктов в овощей, бутылок, ядовитых игрушек, выращивания от до 1000. Паллеты для статическая перегрузка - для пищевыххим в и числе ядовитых для объемом от 640 до крышки для к с образования 1-го.

To keep the Basics toolbar open, drag it onto the circuit window. Otherwise, it will close after you drag an item from it, and you will have to reopen it for every resistor. Move to the S ources on the Parts Bin toolbar. Click on it and a toolbar containing the battery and ground should appear. Drag those onto the circuit window. Step 2. Arranging the circuit elements.

You can change the orientation of the circuit elements either by rotating them or flipping them over. In this case you want to rotate both resistors. Choose your favorite way to rotate by 90 degrees. Step 3. Wire the components together. Most components have short lines pointing outwards, the terminals.

To wire the components together you have to create wires between the components. Move the pointer to the terminal on the top of the battery. When you are at the right position to make a connection, a black dot appears. Now drag the wire to the top of the upper resistor. Again a black dot appears, and the wire snaps into position. Wire the rest of the components in a similar manner.

You should end up with something like this:. Initially you wiring may not look very pretty. However, after making the connections, you can move wires and components around without breaking the connections.

Step 4. Set values for the components. Initially, each component comes up with a pre-set, default value, e. You can change all component values to suit your application. Double-click on the component. Change its value. Click OK. Step 5.

Save your circuit. Save your work frequently! Proceed in the normal way for saving files. Step 6. Attach the voltmeter. To measure voltages in your circuit you can use one or more voltmeters. Drag a voltmeter from the indicator toolbar to the circuit window. Drag wires from the voltmeter terminals to point in your circuit between which you want to measure the voltage.

Activate the circuit the circuit by clicking the power switch at the top right corner of the EWB window. Note that the ground connection plays no particular role in this measurement. The voltmeter is not connected to a reference point. It functions very much like the hand-held multimeter in the lab.

You can measure voltage differences between any pair of points in the circuit. Step 7. Make changes and additions. You now have a very simple but functioning circuit. Take this opportunity to make some changes and additions. Add an ammeter to the circuit to measure the current through the resistors.

Change the values of the resistors, and observe the change in the currents and voltages. The ammeter can be connected by positioning it on top of the wire through which you want to measure the current. EWB will automatically make the right connections. If you are not sure that this is done correctly, drag the ammeter, the wires should move with it. EWB incorporates a number of instruments, such as an oscilloscope and a function generator.

The following provides an introduction to these two instruments. To briefly investigate the function generator, build the circuit below. Figure 2. The function generator with bargraph displays. The function generator. Drag the function generator onto the circuit window. Double-click on the function generator. You can now change its settings, such as the wave form, the signal amplitude and the signal frequency.

Connect the common to a ground terminal. Get two red probes from the Indicators toolbar. You should now have two blinking red lights. To get a little bit more information we will attach a second kind of indicators. Get two decoded bargraph displays form the indicator toolbar. Experiment with changing the wave form and frequency of the signal generator.

An oscilloscope is a far more powerful instrument than a bargraph indicator or even a voltmeter. It can show you the time dependence of the signals in your circuit. The EWB oscilloscope provides a fairly close approximation of a real one.

It has two independent input channels, A and B, an input for an external trigger and a ground connection. Figure 3. The EWB oscilloscope icon with its terminals. To look at the output of your signal generator you can add an oscilloscope to the circuit you just made.

Drag the oscilloscope onto the circuit window, and double-click on it. The oscilloscope has four terminals, for two independent input channels, a trigger input and a ground connection. The input channels sense voltages with respect to ground! As long as there is at least one ground terminal attached to your circuit, it is not necessary to connect the oscilloscope ground.

We will discuss the issue of how the oscilloscope is triggered in class. At this point, leave the triggering on auto. You should now have a sine wave on your oscilloscope screen. Make drastic changes in the signal amplitude and frequency, and adjust the sensitivity and time base settings such that you still maintain an easily interpretable picture of the wave form on the oscilloscope screen.

It may be necessary to occasionally reactivate the simulation. Figure 4. Using the oscilloscope to investigate the signals from the function. Change the offset on the function generator to a value of the order of the amplitude. This adds a constant voltage to the signal. You will see the trace on the oscilloscope move up or down. You have two options to move it back to center. Change the "y position" such that the trace comes back on center. This can always been done as long as the offset is not too large.

Most oscilloscopes cannot produce an internal offset that is much larger than the full scale display range. Change the "y-position" back to zero, and select "AC" as input coupling mode. In this mode the DC component of the signal is removed. The EWB oscilloscope is very good at this, but real instruments have a difficulty distinguishing between DC and very slowly oscillating signals. In practice, avoid the AC input mode for signal frequencies less than Hz. To get a larger image of the oscilloscope, try the expand button.

On the expanded display you will find two vertical line cursors. By moving these around you can measure time and amplitude of points on the displayed traces. The following exercises are meant to show the power EWB. In the first one you can study what happens when a LRC circuit is driven with a square wave. Even this simple circuit shows a wide range of behavior, depending on the component values and the drive frequency.

EWB make it possible to study this at least in a qualitative manner. The second exercise gives you the opportunity to build up a simple circuit without knowing much of how things will work out. This is one of the major advantages of simulation programs. Without much math or investment in hardware you can try out ideas and adjust them to reality where necessary. You will never use any other software. As a Past Breadboard designer, designing circuits for the breadboards was a very difficult job.

It is a tedious process in that you have to finish the design and then test it. This is when you will need a software program that makes your hectic work easier and saves you time. The Electronic WorkBench has a lot of new features that can be used to explore the entire circuit within minutes. Here are the recommended settings and requirements before you download Electronic WorkBench 5. Make sure that your computer meets minimum system requirements.

Privacy Pass can also be used to avoid this page from appearing again. These guidelines will help you make your first attempt at simulating circuits. Click and Drag makes it much easier to create circuit designs than traditional methods.

Downloads are available for every Operating System. Once you have created all your circuit, you can now draw and display graphs using the components you have added to the circuit. You can now display the ratio of two units using advanced and other types of graphs. It will show the voltage required to power the ICs or other components you wish to use, as well as the current it produces. NI Multisim, an electronic schematic capture program and simulation program, is part of a series of circuit design programs that includes NI Ultiboard.

Multisim was initially called Electronics Workbench. It was created by Interactive Image Technologies. It was initially used to teach electronics technician courses at colleges and universities. National Instruments continues this legacy of education with a special version of Multisim that has been specifically designed for teaching electronics. Multisim is used widely in industry and academia for circuits education, electronic diagram design, and SPICE simulation. Multisim was merged into Ultiboard in after Ultimate Technology, a software company for PCB layout, acquired the original company.

NI MultisimA screenshot showing NI Multisim simulating a circuit with schematic capture and virtual instruments tools visible. It is much easier to design and you can have complete control over the circuit before you test the output and final phases of the software. Your email address will not be published.

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The function generator. Drag the function generator onto the circuit window. Double-click on the function generator. You can now change its settings, such as the wave form, the signal amplitude and the signal frequency. Connect the common to a ground terminal. Get two red probes from the Indicators toolbar.

You should now have two blinking red lights. To get a little bit more information we will attach a second kind of indicators. Get two decoded bargraph displays form the indicator toolbar. Experiment with changing the wave form and frequency of the signal generator. An oscilloscope is a far more powerful instrument than a bargraph indicator or even a voltmeter.

It can show you the time dependence of the signals in your circuit. The EWB oscilloscope provides a fairly close approximation of a real one. It has two independent input channels, A and B, an input for an external trigger and a ground connection. Figure 3. The EWB oscilloscope icon with its terminals. To look at the output of your signal generator you can add an oscilloscope to the circuit you just made. Drag the oscilloscope onto the circuit window, and double-click on it.

The oscilloscope has four terminals, for two independent input channels, a trigger input and a ground connection. The input channels sense voltages with respect to ground! As long as there is at least one ground terminal attached to your circuit, it is not necessary to connect the oscilloscope ground. We will discuss the issue of how the oscilloscope is triggered in class. At this point, leave the triggering on auto.

You should now have a sine wave on your oscilloscope screen. Make drastic changes in the signal amplitude and frequency, and adjust the sensitivity and time base settings such that you still maintain an easily interpretable picture of the wave form on the oscilloscope screen. It may be necessary to occasionally reactivate the simulation. Figure 4. Using the oscilloscope to investigate the signals from the function. Change the offset on the function generator to a value of the order of the amplitude.

This adds a constant voltage to the signal. You will see the trace on the oscilloscope move up or down. You have two options to move it back to center. Change the "y position" such that the trace comes back on center. This can always been done as long as the offset is not too large.

Most oscilloscopes cannot produce an internal offset that is much larger than the full scale display range. Change the "y-position" back to zero, and select "AC" as input coupling mode. In this mode the DC component of the signal is removed. The EWB oscilloscope is very good at this, but real instruments have a difficulty distinguishing between DC and very slowly oscillating signals. In practice, avoid the AC input mode for signal frequencies less than Hz. To get a larger image of the oscilloscope, try the expand button.

On the expanded display you will find two vertical line cursors. By moving these around you can measure time and amplitude of points on the displayed traces. The following exercises are meant to show the power EWB. In the first one you can study what happens when a LRC circuit is driven with a square wave. Even this simple circuit shows a wide range of behavior, depending on the component values and the drive frequency.

EWB make it possible to study this at least in a qualitative manner. The second exercise gives you the opportunity to build up a simple circuit without knowing much of how things will work out. This is one of the major advantages of simulation programs. Without much math or investment in hardware you can try out ideas and adjust them to reality where necessary. The LRC circuit. Assemble the circuit shown below, and activate. After you have achieved something similar to fig.

Look at values from W to k W. Can you explain your observations? Figure 5. Driving a LRC circuit with a square wave. Set the damping resistor to W. Now scan the function generator frequency from 15 Hz to 25 Hz in steps of 1 Hz. The behavior of the circuit seems to change dramatically for very small changes in the frequency.

Try to figure out why this happens. In this exercise we have used the external trigger to stabilize the oscilloscope picture. You may still find it uncomfortable to read the scope. Try the following. Click on the Instrument tab, and select under Oscilloscope "Pause after each screen". You can then use the Resume button to go through the simulation one oscilloscope screen at a time.

It may take a number of frames to reach steady-state behavior. Somehow you have picked up the information that there are circuit elements that pass a current in one direction and block it in the opposite one. They go by the name of diode. It strikes you that this could be useful to convert an AC voltage, maybe from a transformer, to a DC voltage.

To see if this is actually going to get you somewhere you put down the following circuit. Figure 6. Using a diode to rectify a sine wave. Apparently there is some truth to the story, you only have positive voltage across the resistor, when the input voltage goes negative the output voltage is zero.

However, you realize that this isn't quite what you want. What you are after is a voltage that is reasonably constant, and certainly not something that is zero half the time. You now suffer a sudden flash-back to you introductory physics course.

There this capacitor thing was mentioned. It supposedly could store charge. Maybe this could be used to keep the voltage up during the periods that the diode blocks the current. So the next step is to put a capacitor in. The problem is, you don't know how large it should be. To save money and space you want to minimize the capacitance. In this case start with 10 m F and change the value to see what you can get away with.

Figure 7. Smoothing the rectified sine wave using a capacitor. With a sufficiently large capacitor you can get a DC voltage with a very small ripple. However, the capacitance that you need is a bit large, and the voltage is 17V.

As it happens, you actually wanted something close to 8V. A colleague suggests that you use a zener diode to fix this. You are not too sure, but you have the impression that this is a sort of voltage stabilizer. So you pluck a zener diode from the toolbar and try some plausible looking configurations. Maybe something like this. Figure 8. Using a zener diode to get the desired voltage. To get this specific one you have to double-click on the generic zener, and go through the list of "real" zener diodes that are available.

This doesn't work so well. You notice that for part of the time you have a constant voltage of the desired value, but in between there are big dips. You don't quite understand, so you use the oscilloscope to investigate what is going on. Leave channel B where is, but move channel A to measure the voltage across the capacitor. From the oscilloscope picture it is now quite clear what is going on. As long as the voltage on the capacitor is larger than 8. However, when the capacitor discharges below 8.

To make the circuit work, the voltage on the capacitor has to be larger than 8. In part 2 you saw that this requires a larger capacitor. You can now increase the capacitance so that it has just the right value. Using the oscilloscope to inspect various voltages in the circuit. The traces on the screen instruments are the same as you get on real equipment.

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