Blog

Cable Signal amplifier and splitter: a peek inside

2021-12-07T19:28:00Z

In the basement of my house there's an obsolete device hanging from one of the walls:A Cable TV dispatcher / splitter, amplifier. With a few separate signal paths for bidirectional data (internet).I've been looking at it for 6 years...(read more)

Winners Announcement for the Experimenting with Magnetic Components Challenge

2021-12-03T18:19:00Z

The element14 Experimenting with Magnetic Components Challenge is a design competition for electrical engineers where they are provided a collection of inductors, chokes, line filters and transformers to conduct experiments and blog about what they learned. The winners receive great prizes.(read more)

UPDATE Announcing the Winners of the Experimenting with Magnetic Components Challenge

2021-12-02T17:25:00Z

I wanted to give you an update on the winners announcement. The judges and I have been reading all of the participants blogs, ranking them, and making the final decision of the winners. There was excellent work by all so it was tough to decide o...(read more)

Second blog: Experiment with inductors

2021-11-18T10:42:00Z

Inductor, also called a coil, choke, or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it. An inductor typically consists of an insulated wire wound into a coil. &nb...(read more)

Smart Coin Sorter by Inductive Sensing. #04 Inductive Sensor Device

2021-11-17T23:20:00Z

Summary After 5 weeks doing experiments and learning about analog electronics and magnetic components it is time to try to design and build something practical, my DIY Inductive Sensor. Thanks to element14 and Bourns during these weeks I have ...(read more)

Ideal vs Real inductors: Part 2 - Experiments

2021-11-17T11:31:23Z

In this blog, I will calculate the non-ideal parameters of the inductor and do some simulation based experiments for the inductor.For calculating the inductance and Rdc, I will use my Tenna Handheld LCR meter. I have chosen the 1mH inductor. As ...(read more)

Experimenting with Magnetic Components - Blog 2

2021-11-15T16:44:44Z

When we work with RLC Circuits we need to know about Resonance and Low Pass and High Pass Filters Let’s start Experimenting with Resonance. What is Resonance in Electronics?Resonance is a phenomenon that occurs in electric circuits consisti...(read more)

Test GaN Quick Mobile Charger Different CMC #2 The Uncompleted Experiment Report

2021-11-15T15:43:54Z

1 CMC and Inductor in GaN Quick Charger 1.1 The GaN Charger 1.2 Common Mode Choke in the GaN charger 2 The Parts and Circuits 2.1 The part of CMC 2.2 Circuit 3 Performance 3.1 Performance of original CMC 3.2 Replacement of new C...(read more)

Experimenting with Magnetic Components #3: Interleaved Boost Converter for PV System

2021-11-12T18:11:10Z

IntroductionA boost converter (step-up converter) is a power converter with an output DC voltage greater than its input DC voltage. It is a class of switching mode power supply (SMPS) containing at least two semi-conductors switches and at one energy...(read more)

Experimenting with Magnetic Components #2: Low Power Buck Converter for IoT Home Automation

2021-11-12T18:09:18Z

IntroductionWith increased connectivity, improved internet speed and ongoing development of machine learning technologies, the Internet of Things (IoT) is transforming almost every aspect of our connected world. The growth has only accelerated after ...(read more)

Experimenting with Magnetic Components #1: EMC/EMI Filter Design with Common-Mode Chokes

2021-11-12T18:07:26Z

IntroductionThe objective of this blog is to make, experiment, and explain an EMI filter using Bourns Common Mode Chokes. In the next blog, we will use it with a buck converter and observe the result. What is Electromagnetic Interference (EMI)?E...(read more)

Experiment with magnetic component:- Blog #6 (Experiment with magnetic component kit provided by element 14)

2021-11-12T15:38:21Z

SJN(Switching Jitter Noise) 1) where was it used ?We have tried to used 100 mili henrey inductor(RL181S-104J-RC) provided in magnetic component kit provided by element 14. As shown in the figure 1. The inductor was cascaded in series to work as ...(read more)

Experiment with magnetic component:- Blog #5 (Main experiment)

2021-11-11T11:17:11Z

The main experimentThe question that we need to answer first1) what are the various types of noise that comes out of the Power output of 5 volt mobile charger ?2) How these noise are handled ? 1) what are the various types of noise that comes ou...(read more)

Experimenting with Magnetic Components - DIY Inductance Meter

2021-11-07T18:13:00Z

I'm reviewing a set of inductors for the Experimenting with Magnetic Components design challenge. In this post: make a simple and cheap inductance meter. w2aew has made a video (included later in this post) on this little design. The origi...(read more)

Experimenting with Magnetic Components - Boost Converter part 4: Efficiency

2021-11-06T13:34:37Z

I'm reviewing a set of inductors for the Experimenting with Magnetic Components design challenge.At the end of the design challenge, I'd like to revisit the boost converter I made at the start. In this post, efficiency measurement, and a...(read more)