Test your knowledge of test instrumentation.
It's Friday. Do you really feel like working? Well then, take a break and test your test knowledge with a few questions. Answers appear on the last page. The questions originally appeared in Test & Measurement World. (In case you missed them, see last week's questions and those from two weeks ago.)
See page 5 for the answers and page 6 for a bonus question.
Why are anechoic chambers used for EMI (electromagnetic interference) testing typically lined with cones?
- The cones minimize reflections by absorbing radiated emissions above 1 GHz.
- The cones shield outside signals from entering the chamber.
- The cones reflect signals above 1 GHz.
- The cones reduce the usable area inside the chamber.
- The cones provide a uniform temperature inside the chamber.
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