Electrical Engineering Crossword — October (327)

The answers to Circuit Cellar 327‘s crossword are now available.327 Crossword grid (key)

Across

1. FIRMWARE—Executable software stored within a ROM
4. INFINITE—An incalculable number that extends indefinitely
5. ZENER—PN-junction diode designed to operate in the reverse-bias breakdown region
9. NETLIST—File that lists all connections needed to produce a PCB
11. ENCODER—Device used to encode a signal or character from one format to another
12. OCTAL—Number system based on powers of eight
14. PITCH—Nominal distance from center to center of adjacent pins or leads
17. BASIC—Beginner’s All-purpose Symbolic Instruction Code
18. LASER—Light Amplification by Stimulated Emission of Radiation
19. REGISTER—Storage space on a processor that holds an instruction, an address or data
20. WAVELENGTH—This is equal to the velocity divided by the frequency

 

Down

2. WAFER—Slice of semiconductor material upon which monolithic ICs are produced
3. JUMPER—Short length of wire used to complete a circuit
6. EXECUTABLE—File containing object code that’s ready for executing
7. NIBBLE—Four consecutive bits. Half of a byte
8. BREAKPOINT—Used in debugging programs A location to stop executing program code.
10. TRANSCEIVER—Circuit that Transmits and Receives a signal on the same line
13. COMPILER—Software that translates high-level language programs into machine-language instructions
15. HEAP—Area of memory used for dynamic memory allocation
16. RECURSIVE—A characteristic of software that calls itself

Electrical Engineering Crossword (Issue 324)

The answers to Circuit Cellar 324‘s crossword are now available.323 crossword

Across

1. FACTORIAL—n!
3. PLAINTEXT—Unencrypted
7. GAUSSMETER—Measures a magnetic field [two words]
12. PICOSECOND—One trillionth of a second
16. DECIMAL—Denary, base 10
17. RADIX—The base of a system of logarithms or a system of numbers; 2 in the   binary system
18. MICROSWITCH—Pressure-sensitive switch requiring a very small force to actuate it

Down

2. README—File with installation instructions
4. NIBBLE—Half a byte
5. NODE—A point of minimum amplitude
6. HUB—Central node in a star network
7. GIBIBIT—1,073,741,824 bits
8. MICRO—0.000001
9. POE—802.3at
10. HANDSHAKE—Signal exchange
11. NIL—Zero
13. HAPTIC—Sense of touch
14. FETCH—Prior to an instruction’s execution
15. KILBY—IC 1958
17. ROOT—Top-level directory

Electrical Engineering Crossword (Issue 323)

The answers to Circuit Cellar 323‘s crossword are now available.323 crossword

Across

  1. DYNE—10–5 N
  2. GEOFENCE—Virtual barrier
  3. QUIESCENT—At rest
  4. BOND—Electrical union/connection
  5. HDL—Describes circuit structure; Verilog
  6. SOLIDSTATE—Electronics featuring semiconductors rather than mechanical circuits [2 words]
  7. TRIGGER—Pulse used to initiate a circuit action
  8. LONGRANGE—LoRa [2 words]
  9. STRIP—Remove a wire’s jacket
  10. GATE—NAND, OR, AND, NOT
  11. INSULATOR—Rubber, glass, air
  12. DIP—Package for small- and medium-scale integrated circuits with up to approximately 48 pins
  13. HAMMING—Code that can detect single- and double-bit errors, and it can correct single-bit errors

Down

  1. NANOSECOND—10-9 s
  2. BACKDOOR—Secret point of access
  3. NEARFIELD—Close proximity to an antenna [2 words]
  4. LEET—1337
  5. BASE—Fixed-location wireless transceiver
  6. ACCELERATION—m/s2
  7. ARRESTER—Limits surge

Electrical Engineering Crossword (Issue 322)

The answers to Circuit Cellar 322‘s crossword are now available.322 crossword

Across

  1. SNIFFER—Software for monitoring network traffic
  2. ACTUATION—To put into mechanical action
  3. INVERTER—DC to AC
  4. NULL—VALUELESS CHARACTER
  5. REPEATER—Receives and amplifies a weak signal before retransmitting it
  6. JITTER—The deviation of some aspect of a digital signal’s pulses
  7. TESLA—Magnetic flux density
  8. PASCAL—1 newton/cm2
  9. ANEMOMETER—Measures wind speed and direction
  10. CADMIUM—48 (Cd)
  11. QUIESCENT—Inactive

Down

  1. SHUNT—Diverts a current
  2. NANOVOLT—One billionth of a volt
  3. TELEMETRY—Automatic remote transmission of data
  4. INERTIA—Newton’s 1st
  5. INSULATOR—Highly resistant, nonconductive material
  6. ABEND—Abnormal end
  7. EDDY—Foucault current
  8. GAUSS—G
  9. CLONE—Exact replica

Electrical Engineering Crossword (Issue 321)

The answers to Circuit Cellar 321‘s crossword are now available.321 crossword

Across

  1. EMPTYSET—Null [2 words]
  2. STATOR—Nonrotating portion of a motor
  3. EXBI—Ei
  4. BPS—Data rate
  5. PLESIOCHRONOUS—Not quite synchronized
  6. RING—Devices connected in a circle; topology
  7. AMBIENT—Air temperature around a system
  8. DYNE—10-5 N
  9. ENUMERATION—ENUM
  10. RECTIFIER—Converts alternating current to direct current

Down

  1. ELICITATION—Collect system requirements
  2. MACTEL—Mac OS + Intel processor
  3. FEMPTOSECOND—1/1,000,000,000,000,000 s
  4. MICROFARAD—1,000,000 pF
  5. REPETITIVE—Iterative
  6. PEAKTOPEAK—Alterations between high and low values [3 words]
  7. MANHATTAN—Los Alamos; Oppenheimer
  8. FIRSTQUARTILE—25th percentile [2 words]
  9. MESON—One quark, one antiquark
  10. TRACE—The blanking process makes it invisible

Electrical Engineering Crossword (Issue 320)

The answers to Circuit Cellar 320‘s crossword are now available.320-empty-grid-(key)

Across

  1. BRIDGE—Connects two LANs or two sections of the same LAN
  2. ZETTABYTE—1,180,591,620,717,411,303,424 bytes
  3. HELIX—Spring-shaped curve
  4. MAXIM—ARRL
  5. HAMMING—Code that detects single- and double-bit errors
  6. DEGAUSS—Decrease magnetism
  7. NULL—Character with bits set to zero
  8. MECHATRONICS—Mechanics + electronics + computing
  9. INFINITE—Unending series
  10. PICOSECOND—One trillionth of a second

Down

  1. QUARTZ—Timing crystal
  2. RHEOSTAT—A variable resistor
  3. DUTY—Time of one on/off cycle
  4. CASCADING—Circuits feeding one another
  5. PHOTONICS—Science of light
  6. FIRMWARE—Program in read-only memory
  7. ENIAC—30-ton computer; UPENN; 1946
  8. INDUCTANCE—L
  9. FERRIC—Magnetic tape coating that uses iron oxide
  10. SONAR—A method for detecting objects, especially those under water, with sound waves
  11. BITMAP—2-D pixel array

Electrical Engineering Crossword (Issue 319)

The answers to the Circuit Cellar 319 crossword puzzle are now available.319 Crossword

Across

  1. DYNE—10–5 N
  2. PICOAMP—10–12 A
  3. HANDSHAKE—Exchange of signals to start or finish a function
  4. LATENCY—Delay
  5. GAUSSMETER—Measures gap energy
  6. BICONDITIONAL—<>
  7. CONE—1/3Bh
  8. ANGSTROM—1 = 10–10 m

Down

  1. ENDOTHERMIC—Absorbs heat
  2. YAGI—An antenna that enables directional communication using electromagnetic waves
  3. VOLTA—Invented the voltaic pile
  4. BAR—10<sup>5</sup> Pascals
  5. SAWTOOTH—Slow rise, fast fall
  6. EULER—E<sup>ipi</sup> + 1 = 0
  7. INTERCEPTPOINT—A measure of the inter-modulation performance of an RF devices
  8. VAR—Volt amp reactive
  9. LUX—Light intensity
  10. IMPEDANCE—Z
  11. TRIPLEPOINT—Water at 0.01°C
  12. CENTROID—The center of mass

Electrical Engineering Crossword (Issue 318)

 

The answers to the Circuit Cellar 318 crossword puzzle are now available.318 crossword (key)

Across

  1. ANTIPARTICLE—Same mass, opposite charge
  2. AMORPHOUS—A solid without form and shape
  3. BIFURCATE—Split
  4. BAUD—Bd
  5. TOKEN—Permission to communicate
  6. LED—Holonyak, General Electric
  7. UHF—300 MHz–1 GHz
  8. CRC—Code for error detection
  9. VOLUME—Total space in a solid
  10. SKEW—Unparalleled lines that don’t intersect
  11. RECEPTACLE—Jack

Down

  1. ANGSTROM—1/10,000,000,000 m
  2. ENUMERATED—enum
  3. PYRAMID—V = 1/3Bh
  4. MAXWELL—Magnetic flux
  5. ATOMICNUMBER—Protons in a nucleus
  6. ULTRASONIC—Above 20,000 Hz
  7. JFET—Voltage-controlled transistor, not current-controlled
  8. UNIVERSAL—Motor that can operate via an AC or DC source
  9. CERMET—Has properties of both ceramic and metal

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