Electrical Engineer Crossword (Issue 275)

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


2.    UNIFIEDMODELING—Language that standardizes software specifications
3.    KELVINBRIDGE—Compares low resistance values [two words]
6.    THINCLIENT—A codependent program [two words]
10.    BANANAPLUG—Makes electrical connections [two words]
11.    CONDENSER—aka capacitor
13.    ASTABLE—A multivibrator circuit
15.    FLIPFLOP—A fundamental building block [two words]
18.    AMMETER—Used to calibrate current
19.    CLOCKGATING—Method of lowering dynamic power dissipation [two words]
20.    THERMIONICVALVE—Uses a vacuum to control electric current [two words]


1.    VISITORPATTERN—Keeps an algorithm away from an object structure
4.    RUNTIME—Multi-lingual computer system
5.    FIELDEFFECT—This type is unipolar [two words]
7.    LISSAJOUSCURVE—An oscilloscope trace [two words]
8.    NONMASKABLE—Cannot be ignored
9.    CASCODECIRCUIT—Provides amplification [two words]
12.    CRON—Keeps things on schedule
14.    ROENTGEN—Radiation measurement
16.    RETFIE—Instruction that enables new interrupts to occur
17.    SELSYN—aka mag-slip

Electrical Engineer Crossword (Issue 274)

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

1.            MOSIPROTOCOL—Adds a state indicating ownership [two words]

3.            SPECTROMETER—Measures wavelengths

8.            SHELL—Protects an operating system’s kernel

10.          CHARGE—Q

12.          ASSIGN—A FORTRAN control statement

13.          HALL—American physicist (1855–1938) who had an “effect” [two words]

15.          FIELDPROGRAMMABLE—Configurable after purchase [two words]

17.          MOUNTPOINT—In a Linux system, create this first to access the queue [two words]

19.          CORDIC—Calculate digit by digit

20.          MEISSNEREFFECT—Flux jumping [two words]



2.            INTERPROCESSCOMMUNICATION—Data exchanging method [two words]

4.            SQUIRRELCAGE—Commonly used in asynchronous motors [two words]

5.            DEGLITCHER—Type of delay circuit, serves as a pulse generator

6.            MERCURYARC—Emits  bright bluish-green light [two words]

7.            BALLGRIDARRAY—Packages ICs [three words]

9.            THREADEDCODE—A compiler technique [two words]

11.          DARAF—Unit of elastance

14.          AMPEREHOUR—3,600 coulombs [two words]

16.          RIPPLE—Unwanted undulation

18.          NIXIE—Used for numeric display


Electrical Engineer Crossword (Issue 273)

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


1.         BITDENSITY—Bits per inch of magnetic tape, for example [two words]

3.         KALMANFILTER—aka LQE [two words]

5.         EMBEDDEDSECURITY—Circuit Cellar columnist Patrick Schaumont covers this topic with articles about authentication, encryption, and electronic signatures [two words]

7.         HAMMING—Error-correcting code

8.         SPURIOUS—Unintentional

11.       LAND—Electronics and Computer Engineering professor at Cornell University and Circuit Cellar frequent contributor (many of his students contribute to Circuit Cellar as well)

13.       CLAPP—American inventor who developed an oscillator frequency standard

14.       ELECTRODE—Able to interact with nonmetallic circuit parts

16.       RINGOSCILLATOR—A feedback structure with an odd number of digital inverters [two words]

17.       PLESIOCHRONOUS—A system that’s not quite in synch

18.       OSCILLOGRAPH—Takes electric current measurements

19.       REFLECTEDBINARYCODE—Created by Bell Labs physicist and researcher Frank Gray [three words]



2.         DEADBAND—Potentiometer’s part shortened by a tap [two words]

4.         BECHTOLSHEIM—Electronics engineer and co-founder of the company that created Java

6.         CHIPBIOMETRICS—Digital fingerprints [two words]

9.         INCANDESCENT—Illuminating

10.       ALOHANET—Computer networking system from the 1970s

12.       EEVBLOG—Where to find electronics engineer David L. Jones’s off-the-cuff online videos

15.       EULERMETHOD—Solves equations [two words]

17.       POPOV—Helped make electromagnetic radio waves more useful

Electrical Engineer Crossword (Issue 272)

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


1.     JACOBSLADDER—Climbing arc [two words]

5.     WOZNIAK—Apple I

8.     SPARKCOIL—Uses a low-voltage DC supply to create high-voltage pulses

10.   JITTER—Creates an imperfect timing signal

11.   ERG—Energy measurement

13.   ACOUSTICOHM—Equivalent to µbar s/cm3 [two words]

15.   BUFFER—Provides electrical isolation

16.   WIFI—Provides movement to smartphones, PCs, and tablets

17.   POSIX—An IEEE operating system compatibility standard

18.   PEAKTOPEAK—Alterations between high and low values

19.   MUTEX—Capable of ensuring atomic access to any shared resource

20.   NAKAMURA—University of California, Santa Barbara professor credited with inventing the blue LED



2.     OSCILLATOR—American physicist George W. Pierce (1872–1956); piezoelectric

3.     EIGENTONE—A pitch capable of resonance

4.     FRETSONFIRE—Open-source gameplay for music lovers [three words]

6.     NEGATIVEFEEDBACK—Type of amplifier invented in 1927 by Harold Black [two words]

7.     BAFFLE—Sound wave obstruction

9.     MORSECODE—A pre-texting means of communication [two words]

12.   COMBFILTER—Capable of causing delay [two words]

14.   CHIPSET—Intel created the first family of these

Electrical Engineer Crossword (Issue 271)

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


3.            CONFORMALCOATING—Used on PCBs intended for extreme environments [two words]

4.            LOOP—An often repetitious code sequence

7.            VUMETER—Measures program volume [two words]

8.            GALVANOMETER—An electric current identifier

10.         FACTORIAL—“n!”

11.         DIPMETER—Evaluates radio frequency circuits [two words]

13.         REEDSOLOMON—Non-binary code [two words]

16.         SHOCKLEY—One of a group of three co-inventors who, in 1956, were awarded the Nobel Prize in Physics for creating the transistor

18.         SUBSTRATE—An insulating board’s surface

19.         TELEPHONY—Concept proposed by Belgian engineer Charles Bourseul in 1856

20.         ACTUATOR—Electric motors and loudspeakers, for example



1.            TORODIAL—A type of inductor or transformer whose windings form a closed circular tube

2.            POTENTIOMETER—May be used to control volume on audio equipment

5.            PIEZOELECTRICITY—Often used to produce and detect high voltages, sound, and electronic frequency generation

6.            OCCAMPROCESS—An electronic circuit board manufacturing method [two words]

9.            FLYWHEEL—An energy-storing device

12.         MONOBLOCK—A single-channel power amp with high current power

14.         RELIABILITY—Quality over time

15.         MICROMETER—Used to measure small objects’ thickness

17.         EISLER—Austrian engineer (1907–992) credited with inventing the printed circuit