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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.
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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?
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Surface-mounted components on circuit boards - Saturday, January 11, 2014
A CIE instructor answers a question about surface-mounted components on circuit boards.
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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.
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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.
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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.
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A+ Certification - Thursday, November 14, 2013
A+ Certification - why it's important to consider this professional certification.
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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.
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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.
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What importance is Q in practical circuits - Wednesday, November 06, 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.
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