How to: Getting Started with LTspice

LTspice is powerful electronic circuit simulator software and it is free. Probably because it is free, not too much effort has been put into its user interface. Even though it is perfectly capable of what it is designed for, it does not look pretty and lacks user-friendliness. But with a bit of effort, it can be a valuable tool. This video will help you to get started with LTspice.

As an example circuit, we use a small 1.5 V AA battery-powered circuit that blinks an LED for two years, published in the summer 2020 edition of Elektor Magazine, on page 65: https://www.elektormagazine.com/magaz...

Resources

* LTspice: https://www.analog.com/en/design-cent...
* Here is the red LED model used in the video (it is one line):
.MODEL RED D (IS=93.2P RS=42M N=3.73 BV=4 IBV=10U CJO=2.97P VJ=.75 M=.333 TT=4.32U)

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Contents

0:00 Intro
0:05 Getting Started with LTspice
0:34 Example Circuit
1:22 Get LTspice
1:37 Quick Tour
2:18 Draw the Circuit
2:25 Place Components
5:23 Wire the Circuit
7:30 Enter Component Values
12:04 Run the Simulation
16:10 Use Labels
16:55 Add a Model
17:44 Estimating Current Consumption
18:57 Summarizing
19:34 Outro