Certification Corner

What Determines How Far Your Signal Goes?
by Charles S. Fitch, 12.5.2011
In AM, Look to the Ground Below Your Feet More

A Difference in Protection
by Charles S. Fitch, 10.21.2011
Which Class of Station Gets Just a Bit More? More

The Match Game
by Charles S. Fitch, 4.21.2011
Transmitter Test Requires 50 Ohm Resistance, Ability to Handle Heat More

… And I’m Here to Help
by Charles S. Fitch, 3.2.2011
Certification Corner: what to do when the FCC knocks? More

We Got It Wrong Last Time
by Charles S. Fitch, 10.17.2010
Just what is the relationship between AM modulation and antenna current? More

Determining Tx Final Stage Efficiency Factors
by Charles S. Fitch, 6.18.2010
With a helpful assist from Benjamin the Cat More

The Equipment Measurements Question
by Charles S. Fitch, 6.16.2010
When must you show compliance of your transmitter to technical standards? More

'Gauge' the Information With Care
by Charles S. Fitch, 4.15.2010
Wire question tests practical knowledge More

Fuse vs. Circuit Breaker?
by Charles S. Fitch, 2.25.2010
Choose your protection to fit your application More

Transconductance, Anyone?
by Charles S. Fitch, 12.22.2009
Our latest puzzler in Certification Corner More

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