Certification CornerTo help you get in the SBE certification exam taking frame of mind, Radio World Engineering Extra poses a typical question in each column. Although similar in style and content to the exam questions, these are not from past exams nor will they be on future exams in this exact form. The author is Charles S. “Buc”Fitch, W2IPI, a registered professional consultant engineer, member of the AFCCE, senior member of the SBE, lifetime CPBE with AMD, licensed electrical contractor, former station owner and former director of engineering of WTIC(TV) in Hartford, Conn., and WHSH(TV) in Marlborough, Mass.
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The Equipment Measurements Question
by Charles S. Fitch, 06.16.2010
When must you show compliance of your transmitter to technical standards? More...
'Gauge' the Information With Care
by Charles S. Fitch, 04.15.2010
Wire question tests practical knowledge More...
Fuse vs. Circuit Breaker?
by Charles S. Fitch, 02.25.2010
Choose your protection to fit your application More...
Transconductance, Anyone?
by Charles S. Fitch, 12.22.2009
Our latest puzzler in Certification Corner More...
Stress Can be a Killer for Diodes as Well as Engineers
by Charles S. Fitch, 08.27.2009
Quiz yourself with the latest question in Buc's Certification Corner More...
Working With Transformers? Keep an Eye on Phase
by Charles S. Fitch, 06.29.2009
When combining transformer voltages (or any voltage actually), polarity is important. More...
Know How Long Before Shutdown
04.20.2009
Certification Corner: Try Your Hand at This Question More...
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The Case of the Mysterious Circuit Breaker
by Charles S. Fitch, 03.06.2009
Sometimes it trips, sometimes it doesn't More...
Keep a Close Eye on Tower Documents
by Charles S. Fitch, 12.16.2008
In a strange twist of regulations, the Federal Aviation Administration can only recommend tower lighting and marking (L&M). However, the Federal Communications Commission can require it from radio stations. More...
Gain Insight Into Op-Amp Circuits
by Charles S. Fitch, 10.08.2008
The operational amplifier (op-amp) is a high performance gain device with essentially linear qualities. More...
Op-Amps Are Used Widely in Broadcast Circuits
by Charles S. Fitch, 10.08.2008
A Primer Into the Ubiquitous Operational Amplifier. More...
What Do You Do With a Static Drain Coil?
by Charles S. Fitch, 08.13.2008
The problem we have before us is to attenuate in intensity the static charges, either around the tower before a discharge or after high voltage is induced into the system when lightning strikes, and in unique cases where a static More...
So, You Think You Know the Decibel ...
by Charles S. “Buc” Fitch, 06.11.2008
One of my most learned mentors advised me to think that life is linear but nature is logarithmic; and he is right. More...
Determining Tx Final Stage Efficiency Factors
by Charles S. Fitch, 04.16.2008
With a helpful assist from Benjamin the Cat More...