Have you ever wondered what Ripple Rejection Ratio is? Ripple Rejection Ratio or Power Supply Rejection Ratio (PSRR) is a measure of how wel...

Here is a great reference manual for you to print out and add to your collection. Linear & Switching Voltage Regulator Handbook

Here is lots of great info on transistors. If you want an in depth look into transitors this tutorial is a must read. Click here to read th...

This is an important topic, all good technicians not only need to know what a transformer is and what they look like but also need to unders...

Here is some good info on testing MOSFET transistors, one link uses a DMM and the other link is from my friend Jestine Yong , he shows you h...

Recently one of my news letter subscribers wrote me looking for some information on testing BJTs, so I thought this would be a good topic fo...

This is a good reference manual on SMPS that I found online.I love reading every day and find it to be very important for a repair technicia...

Flat-panel liquid LCDs are the display of choice in a wide range of portable products from notebook computers, tablet PCs, and PDAs to digit...

Capacitive Reactance .Learn how capacitors effect AC circuits. Click the photo or click here .

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