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IMPEDANCE AND AUDIO TRANSFORMER DESIGN
One of the most “mysterious” transformers to design are impedance and/or audio transformers. From here out I’ll refer...
Magnetic Designs
When a voltage is applied to a finite inductance for some period of time it gives rise to a current though some number...
Minimizing Power Loss in a Transformer
You have a set of requirements …. you have a needed output power which is some output current at some voltage. Your...
Using Faraday’s Law of Induction
The intent of this write-up is to provide engineers with an understanding of how a few of their most useful equations...
Avoiding Core Saturation
Lines of magnetic flux are created when a current flows through a conductor. They can transport energy from one...
The Effects of an Air Gap in Magnetics
In many cases introducing an air gap can be of great use. Often people/engineers may think that introducing an air gap...
Custom Chokes
Here at CET, we do custom transformer and inductor solutions every day. One such part was a high current custom choke...
What is an Inductor?
What is an inductor, its purpose, and how does it work? Inductors are an electrical component made essentially of a...
Excessive Inventory For Sale!
A super quiet EP13 size flyback transformer. Primary inductance is 4.31mH +/- 10%. Switching frequency is 60 KHz...
Forward Converter Transformer Design
The forward converter does appear similar to the flyback transformer, but it is actually very different. A forward...
Push Pull Switching Transformer Design
One flavor of a high-frequency switching transformer is known as a push-pull transformer. A push–pull transformer is a...
The Twelve Days of Christmas Custom Magnetics Style
In the spirit of the season, CET Technology would like to wish everyone Happy Holidays and a Happy New Year with our...
Current Sense Transformer Design
In order to design current sense transformers, you need to determine the DCR of the SEC, the inductance of the SEC,...
Flyback Transformers: Discontinuous Conduction Mode Flyback Switching Transformer Design…
A Flyback Transformer is a type of switching transformer that comes in two flavors, CCM (Continuous Conduction...
Nikola Tesla vs. Thomas Edison: The War of Currents
The Department of Energy launched a poll: Who is the greater inventor, Edison or Tesla? Before getting to the poll...
Faraday – Pioneer in Electromagnetism
Michael Faraday (1791-1867) was an English scientist whose many experiments contributed greatly to the understanding...
Common Mode Choke Design
COMMON MODE CHOKE / INDUCTOR DESIGN The common mode choke is one of the many types of inductors. Common mode choke is...
Phantom Power Transformer
High Impedance Step Up Transformer Power Input – 48VAC Power Output – 107 VAC @ 280uA (30mVA) The customer for this...
New Vending Machine Power Supply Design
New vending machine power supply design details: External type power supply Input – 110VAC – 240 VAC. Output – 24 VAC...