A very effective pure sine wave inverter circuit can be made using the IC 4047 and a couple IC 555 together with a few other passive components. Let’s learn the details below. The Circuit Concept In the previous post we discussed the main specifications and datasheet of the IC 4047 where we learned how the […]
Search Results for: 4047
IC 4047 Datasheet, Pinouts, Application Notes
The IC 4047 is one of those devices which promises an unlimited range of circuit application solutions. The IC is so versatile that on many occasions it easily outsmarts it’s close rival, the IC 555, let’s study the datasheet and pinout details of this versatile chip. Main Datasheet and Specifications: In-built oscillator with variable frequency […]
Modifying a 4047 IC Inverter into Sine Wave Inverter
The post discuses how to modify an ordinary square wave inverter using IC 4047 into a modified sine wave inverter through PWM technology. The idea was requested by Mr. Philip Technical Specifications I hope that i am not going to be a bother, but I need some advice with a PWM-controlled modified sine wave inverter […]
7 Modified Sine Wave Inverter Circuits Explored – 100W to 3kVA
The following article presents 7 interesting modified sine wave inverter designs with exhaustive descriptions regarding its construction procedure, circuit diagram, waveform output and detailed parts lists. The designs are intended for learning and building experimental projects by engineers and students. Here we discuss different varieties of modified designs ranging from a modest 100 watt to […]
7 Simple Inverter Circuits you can Build at Home
These 7 inverter circuits may look simple with their designs, but are able to produce a reasonably high power output and an efficiency of around 75%. Learn how to build this cheap mini inverter and power small 220V or 120V appliances such drill machines, LED lamps, CFL lamps, hair dryer, mobile chargers, etc through a […]
How to Design a Flyback Converter – Comprehensive Tutorial
A flyback configuration is the preferred topology in SMPS application designs mainly because it guarantees complete isolation of the output DC from the input mains AC. Other features include low manufacturing cost, simpler design and uncomplicated implementation. The low current DCM version of flyback converters which include output specification lower than 50 watt are more […]
SG3525 Full Bridge Inverter using Bootstrapped BJT/Mosfet Network
In this post we try to investigate how to design a SG3525 full bridge inverter circuit by applying an external bootstrap circuit in the design. The idea was requested by Mr. Mr. Abdul, and many other avid readers of this website. Why Full-Bridge Inverter Circuit is not Easy Whenever we think of a full bridge […]
Synchronized 4kva Stackable Inverter
This first part of the proposed 4kva synchronized stackable inverter circuit discusses how to implement the crucial automatic synchronization across the 4 inverters with regards to frequency, phase and voltage to keep the inverters running independent of each other yet achieving an output that’s on par with each other. The idea was requested by Mr. […]
Power Line Communication Remote Control
This little circuit will enable a remote controlled switching of an appliance situated in the next room using the concept of power line communication, which involves the use of home mains wire for transferring data in the form of high frequency pulses through the mains wire, superimposed over the existing mains frequency. Power Line Communication […]
PWM Sinewave 5kva Inverter
The post discusses a 5kva PWM sinewave inverter circuit using compact ferrite core transformer. The idea was requested by Mr. Javeed. Technical Specifications Dear sir, would you please modify its output with PWM source and facilitate to make use such an inexpensive and economical design to World wide needy people like us? Hope You will […]
Make this 2 Pin Bi-Color LED Flasher
This transformerless mains power supply circuit will allow flashing of a Bi-color 100 LED string, in an alternately switching red, green effect. Using 2-pin Bi-color LEDs The proposed circuit can be used as a Bi-color LED flasher, for generating an alternate red, green flashing effect over a string of 100 LEDs. Bi-color LEDs […]
Interfacing Arduino PWM with any Inverter
The post explains how to interface an existing Arduino PWM signal with any inverter to convert it into a sine wave equivalent inverter, the article also discusses the method of upgrading a 3 phase inverter using the same input from an Arduino. The idea was requested by Mr. Raju Visshwanath Technical Specifications I am in […]
Making 48V Inverter with Part Details
The post explains a simple 48V inverter circuit which may be rated at as high as 2 KVA. The entire design is configured around a single IC 4047 and a few power transistors. Technical Specifications I am a big fan of u….i am a wisp. i need an inverter design with 48volt DC input and […]
Converting a Low Power Inverter to a High Power Inverter
Here we learn about a couple of simple circuit configurations which will convert any low power inverter to a massive high power inverter circuit. You’ll find a plenty of small and medium sized inverters in the market ranging from 100 to 500 watts, the same may be seen posted in this blog. Upgrading or converting […]
Troubleshooting Inverter Output Voltage Drop Issue
The post presents a discussion regarding the troubleshooting of a 4047 IC based inverter output voltage drop problem on connecting a load. The solution was requested by Mr. Isaac Johnson. The Issue Good day sir, I am a reader of your blog and an electronics hobbyist. I constructed a square wave inverter with a filter […]
Timer Circuits with Auto Pause and Memory During Power Failures
In this post we try to investigate a couple of innovative solutions which could be used for pausing the counting process of a timer IC during power failures, and also restart the process when mains is restored, ensuring a continuous functioning of the timer without errors. The idea was requested by Mr. Arun Dev. Technical […]
Making a Flynn Motor
The post provides an in-depth description of the Flynn motor circuit concept and furnishes the rough replication details for the same. Parallel Path Concept In one of my previous posts we got a comprehensive view regarding what’s populary known as the parallel path magnetic theory In this theory a relatively weaker electromagnetic assistance is used […]
Make this 3 Phase Inverter
The post discuses the how to make a 3 phase inverter circuit which can be used in conjunction with any ordinary single phase square wave inverter circuit. The circuit was requested by one of the interested readers of this blog. The Circuit Concept A 3 phase load can be operated from a single phase inverter by employing […]