NI Circuit Design Community Blog
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The Circuit Wizard: Learning Circuits the Easy Way
Hello all,
As an Engineering student, I have a pretty heavy workload. As such, I’m always looking for tools to help me recall details about my courses or labs. That’s why I was delighted when I found out about the Circuit Wizard in Multisim.
Let me paint a picture for you. You have an electronics lab session in a few hours, and you’re feverishly trying to complete the preparation work. The first part of the lab asks you to design a non-inverting amplifier, and the whole lab is dependent on this step. Panicking, you realize you’ve completely forgotten what the configuration of a non-inverting amplifier is.
Lucky for you, Multisim comes with a tool called the “Circuit Wizard”. I have found that this feature is especially helpful when I can't remember small details about common circuits. Here’s a demonstration of how it works:
From the toolbar in Multisim, go to Tools>>Circuit Wizards>>Opamp Wizard. The Opamp Wizard window, shown in Figure 1, will open. You can now choose the Type of Opamp (in our case, Non-inverting amplifier) and details about the circuit, such as the Input Voltage (Pk), Input Frequency, and Voltage Gain (Av). Click Verify, and then Build circuit.
Figure 1: Opamp Wizard window
The circuit is ghosted to your mouse. Click anywhere on the page to place your design, and voilà! You have a non-inverting amplifier with a gain of 5, as shown in Figure 2. You can test it out for yourself - Garret already taught us the fastest way to calculate the gain in a previous blog post.
Figure 2: Non-inverting amplifier circuit
The Circuit Wizard can also build other types of circuits – there is a 555 Timer Wizard, a Filter Wizard, and a CE BJT Amplifier Wizard. Experiment with these, and in no time you’ll become a circuit wizard yourself!
See you next week,
Mahtab
