Electronics Articles

Figuring out diode logic -Thursday, January 16, 2014
How to figure out what kind of diode gates certain circuits are - given just the circuit and input voltages. Lesson 3463.
TV Repair -Monday, January 13, 2014
Q. I am studying tuners in the TV lessons. In some of the schematic diagrams, there are heavy lines boxing in the components. What are these?
Surface-mounted components on circuit boards -Saturday, January 11, 2014
A CIE instructor answers a question about surface-mounted components on circuit boards.
Heat, current flow and resistance -Friday, December 20, 2013
A CIE instructor answers a student's question what happens when current flows through a resistance and produces heat.
Q. I have been in my course for 3 years and I have a question about troubleshooting. Are you supposed to use Kirchhoff's laws to make voltage checks first, or do you use ohmmeter checks first.
Solving mobile antenna problems in winter -Tuesday, November 19, 2013
Learn the common pitfalls that cause mobile antennas to fail. This article was written by a person with several years of personal experience in repairs done to police cruisers, rescue squads and fire trucks.
A+ Certification -Thursday, November 14, 2013
A+ Certification - why it's important to consider this professional certification.
Digital ICs and Noise Immunity -Wednesday, November 13, 2013
Learn how Digital ICs and the threshold values that represent HI and LO are separated to make noise immunity better.
Learn how a PNP and an NPN transistor in series work. How can it work push-pull? A CIE instructor answers a question covering the transistor lab lessons.
What importance is Q in practical circuits -Wednesday, November 6, 2013
The designation "Q" stands for quality factor. This article will show you what the importance is "Q" in practical circuits. It was written by a CIE Instructor.