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Electronics Engineering Crossword (Issue 266)

The answers to Circuit Cellar’s September electronics engineering crossword puzzle are now available.

Across

3.     ZUSE—German engineer inventor and engineer (1910–1995) who is credited with creating the Z3, a program-controlled Turing-complete computer

5.     ROOTMEANSQUARE—Alternating voltage/current with the exact same energy content as the same value of direct current; a.k.a., quadric mean [three words]

10.   BLOB—Stores binary data; synonym: drop

13.   KLYSTRON—A specialized linear-beam vacuum tube

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16.   ELECTROMAGNET—English physicist and inventor William Sturgeon (1783-1850) is credited with using electric current to develop the first one of these objects in 1825

17.   LACOSTE—Circuit Cellar columnist who frequently writes about frequency

18.   SMARTSWITCH—An energy-saving device that was the topic of Fergus Dixon’s article (Circuit Cellar, 263 2012) [two words]

19.   PICOAMMETER—Measures low current

Down

1.     PUBLICKEYCRYPTOGRAPHY—Decodes using two pieces of information, one public and one private [three words]

2.     COMPRESSIONDRIVER—A loudspeaker that achieves high efficiencies by using a consolidating technique [two words]

4.     SPIDER—The flexible collar that helps keep a voice coil magnetically centered

6.     MICROPOWERIMPULSERADAR—A pocket-sized radar that runs off AA batteries and is often used as a basic motion sensor for security applications [three words]

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7.     ALPHATESTING—Check performed by an independent team on a system installed at a place other than the targeted customer’s site [two words]

8.     ATOMICOPERATION—An action that is non-interruptible by any other one and never presents partial results to an outside observer [two words]

9.     EMBEDDED—As Circuit Cellar prepares to celebrate its 25th anniversary, a  past, present, and future key theme of the magazine centers on this type of technology

11.   SIGNALPROCESSING—Involves measuring physical quantities with time and spatial variances [two words]

12.   FLOWCHARTING—Jeff Bachiochi describes how to use this technique to write code in this issue

14.   CONVOLUTION—Mark Csele’s article, “DSP-Based Color Organ” (Circuit Cellar, 249 2012), used this technique to create high-performance filters

15.   MULTIPLEXER—A device that combines input signals, shares a single transmission channel, and enables data compression

 


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Note: We’ve made the October 2017 issue of Circuit Cellar available as a free sample issue. In it, you’ll find a rich variety of the kinds of articles and information that exemplify a typical issue of the current magazine.


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Circuit Cellar's editorial team comprises professional engineers, technical editors, and digital media specialists. You can reach the Editorial Department at [email protected], @circuitcellar, and facebook.com/circuitcellar