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Power Electronics

Tri Wave Generator

by givenhow 2024. 7. 31.

Introduction

Triangle wave generators play an important role in PWM (pulse width modulation) circuits. Triangle wave generators can simply generate PWM signals by comparing triangle wave signals with a reference signal through a comparator. Due to these characteristics, triangle wave generators are used in various fields such as switching power supplies, motor control, and audio signal processing. In particular, the linear characteristics of triangle waves contribute to improving the accuracy and stability of PWM signals. For these reasons, triangle wave generators have become essential components in electronic engineering.

Circuit

 

Theory

Oscillation frequency

Oscillation frequency Equation

Output voltage drive equation

Design 

- Single Power OP-amp(3.3V)

- 80[kHz]

Plecs Simulation

Triwave

 

Data

HW test

Triwave

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