clearance time

en-noun

clearance time (countable and uncountable, plural clearance times)

In Fig. 12.5.6A, for example, a fault occurring at point F is detected by the busbar protection which trips the circuit breaker. It is clear, therefore, that the fault will not be disconnected, except possibly by back-up protection involving a long clearance time.

1995, Electricity Training Association, Institution of Electrical Engineers, Power System Protection, page 50:

The amount of time it takes from the initiation of a process until it is completed.

(electricity, electronics) The amount of time from when a fault is detected to when a circuit is automatically reopened.


fall time

fall time (countable and uncountable, plural fall times)

(electronics) The amount of time taken for the amplitude of a pulse to decrease from a specified value to another specified value.


rise time

rise time (countable and uncountable, plural rise times)

(electronics) Of a voltage or current step function, the amount of time taken by a signal to change from a specified low value to a specified high value.


connect time

connect time (countable and uncountable, plural connect times)

(electronics) The amount of time that a circuit is in use, usually in a circuit-switched environment.


time-of-use meter

time-of-use meter (plural time-of-use meters)

(electricity) A device that measures and records the usage of electricity during a prespecified period of the day cumulatively over a meter reading period.


time-of-use rates

(electricity) A dynamic electric rate schedule that adjusts prices that are dependent on peak usage, as based on the time of day and season.


time-varying

(electricity, electronics) Referring to any voltage of a varying time, current or an electromagnetic wave carrying information.


time-frequency analysis

electrical engineering
electrical engineering

time-frequency representation
time-frequency representation

(electrical engineering, signal processing) A technique that studies a signal in both the time and frequency domains simultaneously, using various time-frequency representations.


signal processing

(electrical engineering) A subfield of electrical engineering focusing on analyzing, modifying and synthesizing signals, such as sound, images, potential fields, seismic signals, altimetry processing, and scientific measurements.


time-frequency representation

time-frequency representation (countable and uncountable, plural time-frequency representations)

(electrical engineering, signal processing) A view of a signal, taken to be a function of time, represented over both time and frequency.


frame-alignment recovery time

frame-alignment recovery time (uncountable)

(electronics, telecommunications) The amount of time that elapses between a valid frame alignment signal that is available at the receiving terminal equipment and the moment that frame alignment is established.


hold time

hold time (countable and uncountable, plural hold times)

(electronics) The minimum amount of time for which the data input should be held steady after the clock event for reliable sampling.


transition time

transition time (countable and uncountable, plural transition times)

(electricity, electronics) The amount of time required for the switch output to settle within a given percentage of the final value following a change in the control input level.


storage time

storage time (countable and uncountable, plural storage times)

In this article, we report the first long-term measurements of storage time at room temperature.

1995, W. Xie, G.M. Johnson, Y.Wang, J.A. Cooper, Jr., J.W. Palmour, L.A. Lipkin, M.R. Melloch, C. H. Carter, Jr., “Cell Design and Peripheral Logic for Nonvolatile Random Access Memories in 6H-SiC”, in Herb Goronkin, Umesh Kumar Mishra, editor, Compound Semiconductors 1994, page 395:

Each device has its own storage time which may vary from device to device and again it varies with the magnitude of anode current .

2005, PC Sen, Modern Power Electronics, page 110:

Energy density and storage time are the key parameters to be considered when disucssing storage systems.

(electronics) The amount of time that an electronic device can store energy.


pulse repetition time

pulse repetition time (countable and uncountable, plural pulse repetition times)

(electronics, radio) The elapsed time from the beginning of one pulse to the beginning of the next pulse.


repetition time

repetition time (countable and uncountable, plural repetition times)

(radio, electronics) The amount of time from the application of an excitation pulse to the application of the next pulse.


propagation time

propagation time (countable and uncountable, plural propagation times)

(electronics, electrical engineering) In a digital circuit, the amount of time required for a signal or wave to travel from one point of a transmission medium to another.


standby time

standby time (countable and uncountable, plural standby times)

(electronics, telephony, technology) The maximum amount of time in which a mobile phone can be continuously turned on and ready to communicate.


setup time

setup time (countable and uncountable, plural setup times)

(electronics) The minimum amount of time for which the data input should be held steady before the clock event for reliable sampling.


turn-off time

turn-off time (countable and uncountable, plural turn-off times)

(electricity) The amount of time between the moment the anode current reaches zero and the moment the reverse voltage due to the practical circuit reaches zero.


turn-on time

turn-on time (countable and uncountable, plural turn-on times)

(electricity) The amount of time required for a device to change from a forward blocking mode to a forward conduction mode when a gate pulse is applied.


integration time

integration time (countable and uncountable, plural integration times)

signal-to-noise ratio
signal-to-noise ratio

(electrical engineering) Of an electronic system, the period of time in which a noisy signal is averaged so as to improve the signal-to-noise ratio.


time-delay relay

time-delay relay (plural time-delay relays)

(electronics) A type of relay consisting of a built-in time delay function.


pumping time

pumping time (countable and uncountable, plural pumping times)

The setting time should never exceed the pumping time, and preferably should be about half of the total pumping time.

1971, ASTM International (publisher), Sampling of Soil and Rock, page 54:

Instantaneous discharge from aquifer storage does not occur, but storativity does approach a constant value with increasing pumping time.

2001, Michael Kasenow, Applied Ground-water Hydrology and Well Hydraulics, page 384:

Inclusion of a linear current booster (LCB) extends the useful pumping time of the pump motor and enables the use of a smaller motor and a smaller array that is utilized more efficiently.

2004, Roger A. Messenger, Jerry Ventre, Photovoltaic Systems Engineering, Second Edition, page 117:

(electronics, engineering) The amount of time a pump is in operation.


pull-up resistor

pull-up resistor (plural pull-up resistors)

LL-Q1860 (eng)-Flame, not lame-pull-up resistor.wav

(electrical engineering) A resistor that is connected between a signal and a positive voltage supply in a circuit to ensure that the signal is at a defined logic level.


time delay and integration clock

time delay and integration clock (plural time delay and integration clocks)

time delay and integration clocks (plural)

(electronics) A time delay device forming part of a readout integrated circuit.


Early effect

Named after American electrical engineer James M. Early who discovered the effect.

(electronics) The variation in the effective width of the base in a bipolar junction transistor due to a variation in the applied base-to-collector voltage.


Gunn effect

Named after British physicist J. B. Gunn who discovered the effect in 1962.

(electronics) The generation of high-frequency (usually microwave) oscillations within a semiconductor whenever an applied DC voltage exceeds its threshold value.


clock skew

(electronics) A phenomenon in synchronous digital circuit systems in which the same sourced clock signal arrives at different components at different times due to gate or wire signal propagation delay.


memory effect

(electronics) The situation in which nickel-cadmium rechargeable batteries gradually lose their maximum energy capacity if they are repeatedly recharged after being only partially discharged.


Miller effect

Named after John Milton Miller who discovered the effect.

(electronics, electrical engineering) The increase in the equivalent input capacitance of an inverting voltage amplifier due to amplification of the effect of capacitance between the amplifier's input and output terminals.


Armstrong oscillator

Armstrong oscillator (plural Armstrong oscillators)

(electronics) An electronic oscillator circuit which uses an inductor and capacitor to generate an oscillation.


Meissner oscillator

Meissner oscillator (plural Meissner oscillators)

Armstrong oscillator
Armstrong oscillator#English

(electronics, less common) Synonym of Armstrong oscillator.


let through

en-verb

let through (third-person singular simple present lets through, present participle letting through, simple past and past participle let through)

lets through (present singular third-person)
letting through (participle present)
let through (participle past)
let through (past)

(electricity, of a surge protector) To allow an amount of voltage to pass through to the attached equipment.


time-domain reflectometer

en-noun

time-domain reflectometer (plural time-domain reflectometers)

(physics, electronics) An electronic instrument used to determine the characteristics of electrical lines by observing reflected pulses.


time-domain reflectometry

(physics, electronics) A technique used to track faults in networks, such as cable breaks or loose connections, in which a pulse of a known shape is transmitted over the network and an echo is created when the pulse strikes an obstacle or cable end.


frequency domain

frequency domain (plural frequency domains)

(mathematics, physics, electronics) The analysis of mathematical functions or signals with respect to frequency, and possibly a phase, rather than time.


PGND

(electronics) Abbreviation of power ground.


on silent

(electronics, mobile telephony) A setting on an electronic device that prevents it from producing noise when it receives a call or a message, such as an alert or a notification.


line drop

(electricity) A drop in voltage between two points of a transmission line.


tech giant

(electronics, business, often in the plural) A large company or corporation which works in the technology industry.


tag strip

(electronics) Solder tags/lugs on a strip used to connect wires by soldering.

terminal strip

Mostly used with strips using screws to establish the connection.


logic level

LL-Q1860 (eng)-Flame, not lame-logic level.wav

(electronics) One of a finite number of states (usually two) that a digital signal can have.


logic high

LL-Q1860 (eng)-Flame, not lame-logic high.wav

(electronics) In binary logic, one of the two levels that a signal can have.


logic low

LL-Q1860 (eng)-Flame, not lame-logic low.wav


pull-down resistor

pull-down resistor (plural pull-down resistors)

LL-Q1860 (eng)-Flame, not lame-pull-down resistor.wav

(electronics) A resistor that is connected between a signal and ground in a circuit to ensure that the signal is at a low logic level.


honeycomb coil

(electricity) A type of coil structure used in electrical wire winding, in order to reduce capacitive effects.


mica insulator

(electronics) A sheet of electric insulator material made from mica placed between a power semiconductor device and the heat sink.


cavity magnetron

cavity magnetron (plural cavity magnetrons)

particle accelerator
particle accelerator

(electronics) A high-power vacuum tube used in early radar systems and subsequently in microwave ovens and in linear particle accelerators.


jump wire

(electronics) An electrical wire with connector pins at each end that connects two points without soldering.


rotary converter

rotary converter (plural rotary converters)

It was decided therefore to change over from 25-cycle rotary converters to remotely-controlled substations supplied at 50 cycles, in conformity with the outer area electrification.

1954 April, “Southern Region Power Supply”, in Railway Magazine, pages 221-222:

(electrical engineering, dated) A machine which converts alternating current to direct current, or vice versa.


adder-subtractor

(electrical engineering) A circuit that is capable of adding or subtracting binary numbers.


helioelectricity

(electricity) A form of electric power that is generated or harnessed by the rays of the sun.


Video 2000

(electronics, historical) A video recording format and playback system that used magnetic tape cassettes.


glomper

Static or dynamic testing is greatly simplified with an IC Glomper clip such as the one shown in Fig. 1-9. These clips snap onto an IC and bring out pins for easy testing.

1974, Don Lancaster, TTL Cookbook, Howard W. Sams & Co., Testing and Monitoring States, page 27:

Enhancement one is so easy that it sticks out like a sore thumb. Directions are given for building two kinds of "glompers." А glomper is designed to simplify the hookup between your Apple and a television set.

1983 August 7, Timothy Daniel, “Enhancing Your Apple II, Vol. 1”, in Incider, volume 1, number 8, page 157, column 2:

Here the test leads are attached to a "glomper clip.'" which is clipped onto one of the major ICs in the test circuit.

1989, Douglas V. Hall, “Latches, Flip-Flops, Counters, and Logic Analyzers” (chapter 8), in Digital Circuits and Systems, McGraw-Hill Publishing, Logic Analyzers, page 219:

Also known as a ‘glomper clip’ (where do they get these names from?), this little gadget is like having a handful of logic probes, though in a much more compact form. In use it clips over the IC and connects to all of the pins of the IC at the same time.

1993 June 7, “The Logic Clip”, in The Maplin Magazine, volume 12, number 66, page 63, column 1:

Another interesting but pricey new development is a new flexible current transducer. Instead of a clamp-around glomper, you’ ve got this rope-shaped transducer which could get carefully worked around your individual wires in comfined spaces.

1997 June 7, Don Lancaster, “Some New Current Sensors”, in Tech Musings, page 137.4, column 2:

(electronics, obsolete) A logic clip; a device that clips to a dual-in-line (DIL) integrated circuit.


electric main

(electricity) The principal or main electrical supply line that distributes electricity from the utility grid to a building or home.


rolling brownout

rolling brownout (plural rolling brownouts)

(electricity) A deliberate reduction in voltage.


signal tracer

(electronics, radio) A piece of electronic test equipment used to troubleshoot radio and other electronic circuitry.


FWR

(electrical engineering) Initialism of full-wave rectified.


salient pole

(electrical engineering) A magnetic pole that projects toward the armature of an electric machine.


circuit topology

(electronics) The form of an electronic circuit taken by the network of its components.


fault current

(electricity) An irregularity in an electric current that leads to an electrical fault.


electrical fault

electrical fault (plural electrical faults)

(electricity) A defect that forms from a fault current.


electric power transmission

electric power transmission (uncountable)

(electricity) The movement of large amounts of electrical energy from the site of generation to a substation.


propagation constant

propagation constant (usually uncountable, plural propagation constants)

(electrical engineering, physics) The change underdone by the amplitude and phase of an electromagnetic wave as it travels in a certain direction.


propagation delay

propagation delay (usually uncountable, plural propagation delays)

(electrical engineering) The time taken for a signal to reach its destination.


propagation mode

propagation mode (plural propagation modes)

(electronics, physics) The behavior of radio wave signals as they travel along transmission lines.


nMOSFET

/ˈɛnˌɛmˌoʊˌɛsˌɛfˌiːˌtiː/

n + MOSFET, where n denotes "negative" or "n-type".

The source-drain breakdown characteristic of NMOSFETS exhibits an abrupt curve due to avalanche breakdown following punchthrough.

1990 March, Katsushi Asahina, Shuji Murakami, Katsuki Ichinose, Fuyumi Minami, Yasuhiro Funakoshi, “A 256-K 13-Nanosecond CMOS SRAM”, in Electronics & Communications in Japan, Part 2: Electronics, volume 73, number 3, page 44:

To achieve a large dynamic range, low leakage, and high bandwidth, the SCA sampling switches are implemented as 2.5 V nMOSFETs controlled by 1.2 V shift registers.

2025 March, Jinseo1 Park, Evan Angelico, Andrew Arzac, Davide Braga, Ahan Datta, Troy England, Farah Fahim, Henry J. Frisch, Mary Heintz, Eric Oberla, Nathaniel J. Pastika, Hector D. Rico-Aniles, Paul M. Rubinov, Xiaoran Wang, Y.M. Richmond Yeung, “Design of an 8-channel 40 GS/s 20 mW/Ch waveform sampling ASIC in 65 nm CMOS.”, in Nuclear Instruments & Methods in Physics Research Section A, volume 1072, page 1:

(electronics, semiconductors) A type of metal–oxide–semiconductor field-effect transistor (MOSFET) that utilizes an n-type channel, conducting when a voltage voltage exceeding a threshold is applied to the gate relative to the source. It is commonly used in complementary metal–oxide–semiconductor (CMOS) technology alongside pMOSFETs.


pMOSFET

/ˈpiːˌɛmˌoʊˌɛsˌɛfˌiːˌtiː/

p + MOSFET, where n denotes "positive" or "p-type".

As shown in Fig. 2, the source-drain breakdown characteristics of PMOSFETS exhibit an increase in the drain current under the same drain voltage as the gate length increases.

1990 March, Katsushi Asahina, Shuji Murakami, Katsuki Ichinose, Fuyumi Minami, Yasuhiro Funakoshi, “A 256-K 13-Nanosecond CMOS SRAM”, in Electronics & Communications in Japan, Part 2: Electronics, volume 73, number 3, pages 44-45:

In this article, the performance of vertical nanowire Gate All Around (GAA) junction-less pMOSFETs on SOI having an asymmetric architecture was investigated experimentally based on an in-depth study of their electrical characteristics.

2025 April, A. Tahiat, B. Cretu, A. Veloso, E. Simoen, “Investigation of DC and low frequency noise parameters of junctionless GAA Si VNW pMOSFETs in the temperature range from 80 K to 340 K”, in Solid-State Electronics, volume 225, page 1:

(electronics, semiconductors) A type of metal–oxide–semiconductor field-effect transistor (MOSFET) that utilizes an p-type channel, conducting when a voltage voltage below a threshold is applied to the gate relative to the source. It is commonly used in complementary metal–oxide–semiconductor (CMOS) technology alongside nMOSFETs.


bringup

bringups (plural)
bring-up (alternative)

Nominalization of the verb form, bring up, omitting the potential hyphen of bring-up.

printed circuit board
printed circuit board

(electronics) The process of checking newly-assembled printed circuit boards for defects and ensuring they run as expected.


DCIM

DCIM (countable and uncountable, plural DCIMs)

(electronics, computing, telecommunications) Abbreviation of digital camera image(s).


valve amplifier

valve amplifier (plural valve amplifiers)

(electronics) A type of amplifier that uses vacuum tubes to increase the power of a signal.


storage station

storage station (plural storage stations)

A centrally located compressor and storage station with distribution to all areas is the most efficient and economical means of providing this service.

1963, United States, Congress and Senate, Report, Together With Minority Views, page 307:

(electricity) A facility or system designed to store electrical energy for later use.


storage tube

(electronics) A class of a cathode ray tube that is designed to hold an image for a long period of time, typically as long as power is supplied to the tube.


battery cell

(electronics) A unit that chemically stores energy, consisting of an anode, a cathode, and an electrolyte.


HVTL

Great River Energy proposes to build a new 4.3-mile 115-kV double-circuit HVTL between its existing 115-kV MV-VTT transmission line and the new Laketown Substation. […] High intensity EMF can have adverse impacts on the operation of implantable medical devices (IMDs) such as pacemakers and defibrillators. While research has shown that the MFs associated with HVTLs do not reach levels at which they could cause interference with such devices, it is possible that the EFs associated with some HVTLs could reach levels high enough to induce sufficient body currents to cause interference.

2024 August 19, “LAKETOWN 115-kV TRANSMISSION LINE PROJECT IN CARVER COUNTY, MN”, in Great River Energy, pages 16, 73-74:

transmission line
transmission line#English

(electricity) Initialism of high-voltage transmission line.