A sinewave inverter using class-D amplifier functions by converting a small sinewave input frequency into equivalent sine PWMs, which is finally processed by an H-bridge BJT driver for generating the mains sinewave AC output from a DC battery source. What is Class-D Amplifier The working principle of a class-D amplifier is actually simple yet extremely […]
Newly Updated Circuit Projects:
5V 3 Amp Fixed Voltage Regulator Circuit using IC LM123
In this article I have explained the main specifications, datasheet and circuit application notes of the IC LM123, LM323 which are precision 5V, 3 amp fixed voltage regulator IC. These ICs can be used for generating highly regulated 5 V output with a an impressive 3 amp current output. The maximum input to the IC […]
How IC LM337 Works: Datasheet, Application Circuits
In this post I will talk about the function of an interesting voltage regulator device: The LM337, which is basically the negative complementary device for the popular LM317 IC. Built with an adjustable 3-terminal negative voltage, this regulator can conveniently supply around 1.5 A with an output voltage range of -1.2 V to -37 V. […]
Arduino Full-Bridge (H-Bridge) Inverter Circuit
A simple yet useful Microprocessor based Arduino full-bridge inverter circuit can be built by programming an Arduino board with SPWM and by integrating a few mosfets with in H-bridge topology, I have explained the details below: In one of our earlier articles I will comprehensively explained how to build a simple Arduino sine wave inverter, […]
Motion Detector Circuit using Doppler Effect
The motion sensor circuit explained in the article works by using doppler shift principle, in which the moving target is detected through the continuously varying frequency, reflected from the moving object. What is Doppler Effect One very fascinating feature of sound is the Doppler effect. The Doppler effect happens when the source that is producing […]
How to Build a 400 Watt High Power Inverter Circuit
Interested to make your own power inverter with built in charger? A simple 400 watt inverter circuit with charger that can be very easily built and optimized has been provided in this article. Read the complete discussion through neat illustrations. Introduction A massive 400 watts power inverter with built in charger circuit has been thoroughly […]