官方链接：LTspice - Fast • Free • Unlimited

LTspice®是一款强大高效的免费仿真软件、原理图采集和波形观测器，为改善模拟电路的仿真提供增强功能和模型。LTspice提供适用于大多数ADI开关稳压器、线性稳压器、放大器的宏模型以及用于一般电路仿真的器件库。精选ADI器件还提供演示电路供免费下载。这些演示电路设计可确保正常性能，并已经过工厂应用小组审查。请遵循以下说明操作，在LTspice中运行演示电路。

LTspice的优势

与常规SPICE仿真器相比，我们对SPICE的功能改进使开关稳压器仿真速度极其快，用户只需几分钟的时间便可查看大多数开关稳压器的波形。本视频概述了在模拟电路设计中使用LTspice的优势以及如何轻松入门。

下载LTspice

• 下载用于 Windows 7、8 和 10 的 LTspice，更新于2021年3月22日
• 下载用于 Mac OS X 10.7+ 的 LTspice，更新于2021年3月26日

LTspice演示电路

• 通过演示电路集合探索准备好运行的LTspice演示电路。查看更多查看更多

其它网站对LTspice的介绍：

• SparkFun上关于LTspice的介绍演示
• 加拿大Wilfrid Laurier大学关于LTspice的简单教程

 可下载阅读的文档：

可在下面的文档中找到有关LTspice的其他支持，包括键盘快捷键和视觉导读。

1. LTspice信息手册和快捷方式(PDF)
2. Mac OS X快捷键(PDF)
3. LTspice入门指南(PDF)

 SPICE 模型

ADI 公司产品的 SPICE 仿真模型集合。

技术文章

• How to Generate a Bode Plot with LTspice
• 如何用LTspice产生三角波和锯齿波？
• LTspice: Simulating SAR ADC Analog Inputs
• LTspice: Using .MEAS and .STEP Commands to Calculate Efficiency
• LTspice: Worst-Case Circuit Analysis with Minimal Simulations Runs
• LTspice: Modeling Constant Power Loads
• LTspice: Simple Idealized Diode
• Using LTspice to Characterize Capacitor Banks
• LTspice: AC Analysis Using The Step Command
• LTspice: Using Time-Dependent Exponential Sources to Model Transients
• LTSpice: Plotting a Parameter Against Something Other Than Time (e.g. Resistance)
• LTspice: Combining Multiple Model Instances Into One Symbol
• LTspice: Speed Up Your Simulations
• SPICE Differentiation
• LTspice: Voltage Controlled Switches
• Loop Gain and its Effect on Analog Control Systems
• LTspice: Connecting the Dots
• LTspice: Copy and Paste Between Schematics
• LTspice: Using an Intrinsic Symbol for a Third-Party Model
• LTspice: Modeling Safe Operating Area Behavior of N-channel MOSFETs
• LTspice: Simple Steps for Simulating Transformers
• LTspice: Basic Steps in Generating a Bode Plot of SMPS
• LTspice: Simple Steps to Import Third-Party Models
• LTspice: SAR ADC Driver Interface
• LTspice: Extracting Switch Mode Power Supply Loop Gain in Simulation and Why You Usually Don't Need To
• LTspice: Integrating Noise Over a Bandwidth
• LTspice: Computing the Average or RMS Value of a Trace
• LTspice: Using the .STEP Command to Perform Repeated Analysis
• What Is The LTpowerCAD Design Tool and How Is It Different From LTspice?
• LTspice: Annotating Schematic & Waverform Plots
• LTspice: Parametric Plots
• LTspice: Importing & Exporting PWL Data
• LTspice: Piecewise Linear Functions for Voltage & Current Sources
• LTspice: Undocumented Shortcuts
• LTspice: Keyboard Shortcuts
• Simulating Power Planes with LTspice

LTspice相关的视频

• LTspice: SAR ADC Driver Interface
• LTspice: Creating and Working with Symbols
• LTspice: Importing and Exporting WAV & PWL Text Files
• LTspice: Behavioral Voltage Sources
• LTspice: SOAtherm Tutorial
• LTspice: AC Analysis
• LTspice: Stability of Op Amp Circuits
• LTspice: Noise Simulations
• LTspice: Evaluating Electrical Quantities
• LTspice: Stepping Parameters
• LTspice: Adding Third-Party Models
• LTspice: Using Transformers
• LTspice: Waveform Viewer
• LTspice: Schematic Editor
• LTspice: Overview

设计工具

• 运放基本参数仿真演示LTSPICE文件