Electrical Engineering Crossword (Issue 317)

317 grid (key)

Across

  1. ELEVENTH—Undenary
  2. POSITION—What does a linear sensor read?
  3. CALCULATOR—Herzstark’s Curta
  4. PETA—1015
  5. SHUNTREGULATOR—Stabilizes voltage fluctuations [two words]
  6. COPPER—Conductive trace material
  7. LUMEN—A lux is one of these per square meter
  8. MULTIPLIER—*
  9. ANNULUS—Little ring

Down

  1. VARISTOR—Often used to suppress AC line spikes
  2. CHANGE—Delta
  3. RECKONER—Leibniz’s digital mechanical calculator
  4. DUT—To what does a scope probe connect test equipment?
  5. KERNEL—Nucleus
  6. DUCKING—A system for controlling one audio signal’s level with another
  7. SEVENTH—Septenary
  8. RMS—Crest factor is the ratio of peak value to which value?
  9. LOCKOUT—Prevent operation
  10. ROOT—Top directory
  11. TEMPORARY—Temporary Foo file
  12. REQUEST—System call

Electrical Engineering Crossword (Issue 316)

CC316 crossword

Across

  1. OR—Disjunction
  2. DUMMYLOAD—A simulated electrical load [two words]
  3. AND—Conjunction
  4. TUBE—Valve
  5. ARITY—The number of operands
  6. FACTORIAL—n!
  7. RESONANCE—A circuit’s natural vibrating frequency
  8. DYNAMIC—The opposite of static
  9. ISR—Interrupt handler
  10. TETRADE—Half byte
  11. PERIPHERALMODULE—PMOD
  12. ATTENUATOR—Used to reduce an electronic signal’s amplitude
  13. CRIMP—Join without solder

Down

  1. VOLTMETER—V in a circle
  2. CAPACITANCE—Cap
  3. CONNECTOR—Cable gland
  4. MIDBASS—40 to 80 Hz
  5. CRESTFACTOR—The ratio of the peak value to the RMS value [two words]
  6. WHISKERS—Metal hairs that can short circuit an electrical device
  7. RAREEARTH—Nd, Ce, Dy, Pr, Sm [two words]

Electrical Engineering Crossword (Issue 315)

315 crossword grid answerAcross

  1. SPECTROMETER—Device for measuring wavelengths
  2. KILLSWITCH—Big Red Switch [two words]
  3. RECURSION—When a routine calls itself
  4. BOOLEAN—Two values: true and false
  5. PASCAL—Pa
  6. TERA—1012
  7. FETCH—Load data before execution
  8. HECTO—102
  9. TRIODE—Amp device with three electrodes
  10. DUB—Copy

Down

  1. CYBERNETIC—What’s cyber short for?
  2. VISHING—Phishing via phones
  3. MEMRISTOR—Memory resistor
  4. HANDSHAKE—Signal exchange of that starts or ends a function
  5. TRANSFORMER—Power brick
  6. BALUN—Transformer used to convert balanced/unbalanced signals
  7. EXBIBYTE—1,152,921,504,606,846,976 bytes
  8. QUBIT—Quantum bit
  9. GANGED—Coupled to work together (e.g., potentiometers)
  10. STEP—An increment

Electrical Engineering Crossword (Issue 314)

314 crosswordAcross

  1. CBAR—0.01 bar
  2. ATTO—0.000000000000000001
  3. KRYPTON—Atomic number 36; Kr
  4. ZENER—Solid-state diode for regulating power supply voltage
  5. TRIANGLE—Area = (b × h)/2
  6. DIRECT—Direct Unidirectional current
  7. TRAPEZOID—Area = (b1 + b2) × h/2
  8. COLUMN—Vertical array
  9. TERA—10 to the 12th
  10. KALMANFILTERING—Linear quadratic estimation [2 words]

Down

  1. GAUSSIAN—Normal distribution
  2. POWER—A type of transformer that feeds a power supply by drawing energy from an AC line
  3. NIBBLE—4 bits
  4. TELECINE—Converts film images into video signals
  5. HERTZ—Current name for cycles per second (cps)
  6. PASCAL—What did Niklaus Wirth design?
  7. IMPEDANCE—Z
  8. COULOMB—F = k[(q1 × q2)/r2]
  9. CANDELA—Luminous intensity
  10. RAIL—Portion of a power supply that has the highest voltage and/or current delivery capability.

Electrical Engineering Crossword (Issue 313)

313 crosswordAcross

  1. POPULATE—Install, place, solder
  2. WORM—Write once, read many
  3. NIBBLE—4 bits
  4. NORDSIECK—Differential analyzer, 1950
  5. POSITIVE—P-type
  6. SUBBASS—Below 60 Hz
  7. COSMICCUBE—Famous parallel computer developed at Caltech in 1981
  8. TRANSIENT—Brief current or voltage variation

Down

  1. CHOKE—An inductor that bocks AC and passes DC
  2. ALNICO—Aluminum-nickel-cobalt compound
  3. FORCE—M × A
  4. BITERROR—Loss of a single bit [two words]
  5. SIEMENS—German inventor (1816-1892); telgraphy; conductance
  6. ADMITTANCE—The inverse of impedance; Y
  7. SHANNON—Information theory; “A Mathematical Theory of Communication”
  8. DIPOLE—Transmitting or receiving device with a bidriectional polar pattern
  9. YAGI—Directional antenna invented in 1926
  10. STABLE—Free from fluctuation or rapid change
  11. UNITY—Gain of 1
  12. PENN—ENIAC 1946

Electrical Engineering Crossword (Issue 312)

312 crosswordAcross

  1. RECTIFIER—Diode that converts AC to DC
  2. EXA—1000sup6
  3. BD—Baud
  4. PORT—Plug, socket
  5. EULER—Wrote Institutionum calculi integralis (circa 1770)
  6. PLESIOCHRONOUS—Close but not completely in sync
  7. PASCAL—Pa
  8. DIN—German Industrial Standards
  9. PHOTOEMISSION—The generation of electrons when lights hits a material

Down

  1. VAPORWARE—Products advertised but unavailable
  2. CYLINDER—Its volume is pi × rsuper2 × h
  3. TRINOMIAL—A three-term polynomial
  4. TRANSISTOR—Shockley, Brattain, and Bardeen
  5. SCHEMATIC—Electronic wiring diagram, complete with component symbols and units
  6. ATTO—1000sup–6
  7. SILICON—Used in solid-state devices
  8. LADDER—Type of passive filter
  9. SINE—Trig function describing phases of rotation
  10. DRIVE—Linkage between a motor and its load
  11. ROM—Nonvolatile data that you can access but not erase

Electrical Engineering Crossword (Issue 311)

The answers to Circuit Cellar’s June 2016 electrical engineering crossword puzzle are now available.

Across

  1. BELL—Was incorrectly credited for Antonio Santi Giuseppe Meucci’s invention
  2. ZEPTO—z; 10<super>–21
  3. NOISE—Hiss
  4. FEMTO—1,000<super>–5
  5. MICROCODE—Firmware
  6. AMORPHOUS—Silicon used in LCDs and solar cells
  7. PLASMA—”Anything formed”
  8. VELOCITY—m/s
  9. TACHOMETER—Measures a shaft’s rate of revolution

Down

  1. VOLT—Potential energy/charge
  2. THOMSON—Discovered electron in 1896
  3. ELECTROSCOPE—A “gold-leaf” apparatus used to detect electric charge
  4. BUTTERWORTH—BT filter
  5. MODIFICATION—Mod
  6. BOLTZMANN—Constant, k <sub> B
  7. MIXEDSIGNAL—IC with digital and analog circuits [2 words]
  8. PYRAMID—Volume: 1/3Bh, where B is the base’s area and h is height
  9. ELECTRON—E <super> –
  10. PLACEMENT—The step before routing in PCB design
  11. BOHR—Danish physicist (1885–1962), atomic structure, quantum theory

 

Electrical Engineering Crossword (Issue 310)

The answers to Circuit Cellar’s May 2016 electrical engineering crossword puzzle are now available.

Across

  1. ASSEMBLY—ASM
  2. TRANSDUCER—Sensor, passive, active, actuator
  3. LOGICGATE—XOR, NOR, AND, OR [two words]
  4. KILBY—Physics Noble Prize in 2000
  5. ZUSE—German engineer; Turing-Complete Z3
  6. SOLDERMASK—Layer atop copper foil
  7. PETABYTE—1 Exabyte is 1,024 of these
  8. PHOTODIODE—Converts light to current
  9. BOLD—<b>
  10. SIGNIFICAND—Coefficient, mantissa

Down

  1. INFRARED—IR
  2. HYPERSONIC—> Mach 5
  3. FERMI—Chicago Pile-1, induced radioactivity, Los Alamos
  4. MERCURY—Hg, Atomic number 80
  5. CODEC—Code decoder
  6. NORMALLYOPEN—NO [two words]
  7. LITZ—Wire for AC
  8. TOUCH—Haptics
  9. SWITCH—Breaks a circuit

16.        PERIODIC—Regular intervals

 

Electrical Engineering Crossword (Issue 309)

The answers to Circuit Cellar’s April 2016 electrical engineering crossword puzzle are now available.

Across

  1. STASIS—Inactive
  2. DIODE—Current flows through it in one direction
  3. HEAT—BTUs; joules
  4. BUS—LIN
  5. CLI—Text shell
  6. BINARY—Offs and Ons
  7. BUFFER—Location to hold data temporarily
  8. ASIC—The opposite of a general-purpose IC
  9. PENTODE—Five-terminal transistor
  10. ISOTROPIC—Equal in all ways or directions
  11. HENRY—Inductance

Down

  1. GAUSS—G
  2. TESLA—Flux density
  3. DECIBEL—One-tenth Bel
  4. CURRENT—I
  5. EMITTER—Base, collector, and what?
  6. ATARI—Yars’ Revenge, Q*bert
  7. PHASE—Relationship between current and voltage
  8. TOP—Upper frequency range
  9. CHILD—UNIX directory below Parent

 

Electrical Engineering Crossword (Issue 308)

The answers to Circuit Cellar’s March 2016 electrical engineering crossword puzzle are now available.

Across

  1. PEERTOPEER—P2P
  2. MICROMETER—Device for measuring a small object’s thickness
  3. TRACE—Conductive line
  4. VHF—Between 30 and 300 MHz
  5. TERA—10 to the 12
  6. APERIODIC—Irregular
  7. ATARI—Company Bushnell founded in 1972
  8. SHORT—Messaging service
  9. NODE—Circuit junction
  10. GENERATOR—Electromechanical transducing device that uses rotational energy to produce electricity

Down

  1. PISO—74HC166
  2. BOM—List of sources
  3. SOCKET—ZIF
  4. RECTIFIER—Passes current one way
  5. DECIBEL—The smallest perceptible volume change to the average person
  6. NONVOLATILE—Stores data without an external power source
  7. FLOWRATE—Fluid velocity
  8. NTSC—Analog TV
  9. DELTA—Temperature difference
  10. PERIOD—“T” in T = 1/f

Electrical Engineering Crossword (Issue 305)

The answers to Circuit Cellar’s December 2015 electrical engineering crossword puzzle are now available.305-grid-(key)

Across

  1. RADIAN—Rad
  2. SIEMENS—1/ohm
  3. VECTOR—Has magnitude and direction
  4. REPEATER—Acquires and retransmits signals
  5. INTERFERENCE—Distortion
  6. PINS—GND, VCC, SCK, SDA
  7. HORSEPOWER—746 W
  8. DOUGHNUT—Torus
  9. SCALAR—No direction, but has magnitude

Down

  1. BERYLLIUMOXIDE—BeO
  2. MONOPHONIC—Mono
  3. USEREXPERIENCE—UX
  4. PRIME—23, 149, 337
  5. TESLA—Wardenclyffe Tower
  6. CONTACT—Part of a switch that opens and closes a circuit
  7. MICROVOLT—10 sup -6 V
  8. RMS—Quadratic mean
  9. GOOGOL—10 super 100
  10. QUINT—Five

Electrical Engineering Crossword (Issue 304)

The answers to Circuit Cellar’s November 2015 electrical engineering crossword puzzle are now available.304-empty-grid-(key)

Across

  1. DRYCELL—A battery cell with a paste electrolyte (two words)
  2. RAIL—Part of a power supply that has the highest voltage or current-delivery capability
  3. DECADE—10 consecutive units
  4. TELSA—Flex density unit
  5. LOGARITHM—Computational system based on powers of 10
  6. PEAK—Brief increase in signal energy
  7. SHUNT—To bypass
  8. SIBILANCE—Vocal sound
  9. INFRASONIC—Range of sound frequencies below 20 Hz

Down

  1. PASCAL—1 newton/cm2
  2. XTAL—Crystal
  3. REACTANCE—X
  4. GATE—Automatic control circuit that sets the threshold level at which a dynamic processor starts to take effect
  5. ZERO—Null
  6. DRIFT—Shift of circuit parameters away from optimum settings
  7. TANGENT—Straight line that touches a circle at a single point
  8. CORE—Hub around which the windings of a transformer or inductor are wrapped
  9. EMITTER—Region of a bipolar transistor into which electrons are introduced to the semiconductor material
  10. UNIPIVOT—Single pivot
  11. NANO—1,000,000,000

Electrical Engineering Crossword (Issue 303)

The answers to Circuit Cellar’s October 2015 electrical engineering crossword puzzle are now available.303 crossword grid (key)

Across

  1. QUANTA—Discrete particlesThe
  2. ENCLOSURE—Box
  3. DIFFRACTION—Bending of energy waves
  4. BINARY—Offs and ons
  5. GANGED—Physically coupled to work in unison
  6. TETRODE—Vacuum tube with a plate, control grid, screen grid, and cathode
  7. INDUCTOR—Coil
  8. HOMEBREW—DIY
  9. POLE—Point of maximum electrical polarity
  10. FLOWCHART—Depicts a sequence of operations
  11. POWEROVERETHERNET—POE

Down

  1. PASCAL—1 newton/cm2
  2. PROPAGATION—Dissemination of energy
  3. FEMTO—One quadrillionth
  4. NICAD—Rechargeable battery
  5. ANGSTROM—10–4 micrometer
  6. RECTIFIER—Diode used to convert AC to DC
  7. PARITY—Equal to
  8. HARDWIRED—Soldered permanently
  9. DEMODULATOR—Circuit that extracts modulations from an RF signal
  10. ANTIPHASE—180° out of phase

Electrical Engineering Crossword (Issue 302)

The answers to Circuit Cellar’s September 2015 electrical engineering crossword puzzle are now available.

Across302 puzzle (key)

  1. DAMP—Decrease amplitude
  2. LUX—Light intensity
  3. PLANCK—Quantum theory
  4. ASIMOV—The Great Explainer
  5. CAPACITOR—Leyden jar
  6. GALVANOMETER—Measures small electrical currents by means of deflecting magnetic coils
  7. FERROUS—Metal containing iron
  8. IBM—Big Blue
  9. EXAWATT—EW
  10. SPEEDOFLIGHT—˜3.00×10 super 8 m/s

Down

  1. ENUMERATION—ENUM
  2. GALLIUMARSENIDE—GaAs
  3. LORENTZFORCE—F = qE + qv × B
  4. PACKET—Chunk of data
  5. APPLE—Introduced the LISA computer in 1983
  6. PETABYTE—1 quadrillion bytes
  7. VHF—Range = 30 and 300 MH
  8. CRC—Error-detecting code
  9. BAT—Batch file
  10. TQFP—Thinner than QFP

Electrical Engineering Crossword (Issue 301)

The answers to Circuit Cellar’s August 2015 electrical engineering crossword puzzle are now available.301 crosswordgrid

Across

  1. EXTENSIBLE—X
  2. NODE—Point of minimum amplitude
  3. AVOGADRO—6.0221415×1023 atoms/mole?
  4. DECODE—Covert a digital signal back to an analog signal
  5. ROGERS—Founded MIT in 186
  6. STATOR—Non-rotating part of an electric motor
  7. NIBBLE—A half-byte
  8. DENSITY—M/V
  9. TETRODE—Vacuum tube with four elements
  10. FILTERSLOPE—The steepness or severity of a filter’s attenuation [two words]
  11. OMNIDIRECTIONAL—Uniform propagation of energy in all directions

Down

  1. BITERROR—The loss of a single bit in a digital word [two words]
  2. KLUDGE—Poor solution
  3. BIDIRECTIONAL—A figure-eight polar pattern
  4. HANDSHAKE—Signal exchange to start or finish a function
  5. TRACE—A line of conductive material on a PCB
  6. JFET—FET in which the gate consists of a p-n junction
  7. YOTTA—1,000,000,000,000,000,000,000,000
  8. NINE—Nonet
  9. NTSC—Analog television system
  10. DELIMIT—Set limits
  11. IRON—Fe