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Electronics Engineering Crossword (Issue 267)

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

Across

1.     QUADRATURESIGNAL—Can be produced using two sensors spaced at odd half-slot multiples around a single track [two words]

4.     MICROELECTROMECHANICAL—This type of system’s size ranges from 20 µm to 1 mm

8.     MANCHESTERCODE—A low-to-high transition means “0” and a high-to-low transition means “1” [two words]

9.     ABSOLUTEDECODER—Because these devices have only one track per bit of resolution, they can require large diameters, which gives them a nonvolatile and unique output for each position [two words]

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15.   BATTERY—Italian physicist Alessandro Volta (1745–1827) is credited with inventing the first one of these in the 1800s

16.   DIGITALFILTER—A piece of software, firmware, or logic circuit that takes a digital data flow as an input and provides a filtered version of this signal on its output [two words]

17.   CONCURRENCY—Topic of columnist Bob Japenga’s ongoing article series, which began in Circuit Cellar 263, 2012

18.   EXBIBYTE—1,152,921,504,606,846,976 bytes

19.   RELATIVEHUMIDITY—Amount of water vapor in the atmosphere expressed as a percentage of the total amount the air can hold at the current temperature [two words]

Down

2.     ACCELEROMETER—The design in Mark Pedley’s article, “eCompass: Build and Calibrate a Tilt-Compensating Electronic Compass” (Circuit Cellar 265, 2012), was built using one of these

3.     SANDER—New Zealand-based Circuit Cellar contributor and recent interviewee who is fascinated with advanced robot technologies

5.     PHASELOCKEDLOOP—This control system generateS an output frequency, which can be either higher or lower than the input, based on a reference input clock [three words]

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6.     NEUROMORPHICCircuit Cellar’s October’s interviewee, Helen Li, believes this type of computing will solve the contradiction between the limited functions of computing systems and the ever-increasing variety of applications

7.     ELECTROSTATIC—This type of cell consists of a thin plastic film sandwiched between two metal stators

10.   BOOSTCONVERTER—Its output voltage is greater than its input voltage [two words]

11.   ARMSTRONG—American engineer (1890—1954) who invented the regenerative circuit, the super-regenerative circuit, the superheterodyne receiver, and modern frequency modulation (FM) radio transmission

12.   INCLINOMETER—Used to measure tilt

13.   SHALLENBERGER—American engineer (1860–1898) who invented an induction meter to measure alternating current

14.   MEMRISTOR—The functional equivalent of a synapse

 


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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