Electronics Engineering Crossword (Issue 263)


1.     SPARKGAP—A space in an otherwise closed electric circuit [two words]

3.     FUZZYLOGIC—Began in 1965 with Lotfi Zadeh’s proposal of a certain type of set theory [two words]

6.     NULLTEST—Cancels a device’s signal input by negative feedback from its output [two words]

7.     COULOMB—One of these is equal to 6.28 x 1018 electrons

10.   EDDYCURRENT—A.k.a. Foucault currents [two words]

11.   KIRCHHOFF—Created a law of thermochemistry

13.   ANDGATE—Relies on truth and logic  [two words]

16.   HOLONYAK—Invented the LED while working at General Electric in the 1960s

17.   SOLIDSTATERELAY—Doesn’t rely on movement or contact to switch electric circuits [three words]

20.   ACCIRCUIT—A circuit with a current that goes one way and then another [two words]


2.     ANNEAL—Run hot and cold

4.     OPTOISOLATOR—Changes electrical signals to light and back into electrical signals

5.     CHECKBIT—Adds a bit to make things even or odd [two words]

8.     MICROFARAD—1,000,000 pF

9.     THEVENIN—French engineer (1857–1926); augmented Ohm’s law

12.   KELVINSCALE—Temperature scale where 0° = absolute zero [two words]

14.   PHOTODIODE—Turns light into current or voltage

15.   ACORNTUBE—A small tube used at very high frequencies [two words]

18.   ERG—Causes 1 cm of movement

19.   ASCII—A character-encoding system used to represent text


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