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How to Calculate and Optimize Modified Sine Waveform

how to calculate modified square wave RMS and peak

I am sure you might have often wondered how to accomplish the correct way of optimizing and calculating a modified square wave such that it produced almost an identical replication of a sine wave when used in an inverter application. The calculations discussed in this article will help you to learn the technique through which … Read moreHow to Calculate and Optimize Modified Sine Waveform

What’s Ripple Current in Power Supplies

The post explains regarding what’s ripple current in power supply circuits, what causes it and how it can be reduced or eliminated using smoothing capacitor. What’s Ripple in Power Supply Circuits In all AC to DC power supplies the DC output is acquired by rectifying the AC input power and filtering through a smoothing capacitor. … Read moreWhat’s Ripple Current in Power Supplies

Electronic Ballast Circuit for Twin 40 Watt Fluorescent Tubes

In this article we learn how to build a simple yet extremely reliable electronic ballast circuit for driving or operating two 40 watt fluorescent tubes, with an active power correction. Courtesy: https://www.irf.com/technical-info/appnotes/an-995a.pdf Main Electrical Features of the IC International Rectifier Control ICs are monolithic power integrated circuits suitable for operating low-side and high-side MOSFETs or … Read moreElectronic Ballast Circuit for Twin 40 Watt Fluorescent Tubes

Calculating Voltage, Current in a Buck Inductor

In this post we’ll try to understand the various parameters required for designing a correct buck converter inductor, such that the required output is able to achieve maximum efficiency. In our previous post we learned the basics of buck converters and realized the important aspect regarding the transistor’s ON time with respect to the periodic … Read moreCalculating Voltage, Current in a Buck Inductor

What’s PWM, How to Measure it

PWM stands for pulse width modulation which signifies the variable nature of the pulse widths that may be generated from a particular source such as a discrete IC, MCU, or a transistorized circuit. What’s PWM In simple terms a PWM process is nothing but switching ON and OFF a supply voltage at a particular rate … Read moreWhat’s PWM, How to Measure it

Modify a Square Wave Inverter into a Sine Wave Inverter

The post explains a few circuit concepts which can be employed for converting or modifying any ordinary square wave inverter to a sophisticated sine wave inverter design. Before studying the various designs explained in this article, it would be interesting to know the factors which typically makes a sine wave inverter more desirable than a square wave design. How … Read moreModify a Square Wave Inverter into a Sine Wave Inverter

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