Mehmet Emre Doğan



UA741 Op-Amp

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Figure 1: The circuit in LTSpice

Step 1: Download the UA741 Library

If the browser opens it as text file instead of downloading, then create an empty file UA741.sub yourself and copy-paste the relevant text.

UA741.sub

Step 2: Move the UA741.sub file to the same directory where your project is

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Figure 2: The LTSpice project directory

Step 3: Add the following spice directive

.include UA741.sub

Step 4: Name your Op-Amp

UA741

Step 5: Success 🎉

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Figure 3: Input and output waveforms observed in virtual scope

ua741_demo.asc

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