Terminology is the studying of the terms used to identify things. In electronics, just like any other complex human endeavour, using the proper terms helps in understanding.

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What is an extra low voltage circuit?

I am a novice in power electronics. I don't know when we can call a circuit an extra-low-voltage circuit. for example a circuit in which there's a power supply that converts 240V AC to 24V DC and ...
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99 views

Nomenclature: How to describe this switch

I'm looking for a particular type of switch, however I don't know what it is called. The switch I'm looking for is actually a bank of switches. When one of the switches is pressed, the others are ...
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12answers
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Is voltage the speed of electrons?

Current is the amount of electrons passing through a wire. Can we say that voltage is the speed of those electrons?
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4answers
632 views

What does the word “characterize” mean in an EE context? [closed]

UPDATE: The key distinction I think I was missing was that characterization happens on the bench (as opposed to on an engineering pad or with a computer simulation). It is empirical. There are other ...
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429 views

Is “catch diode” the correct term to use in SMPS context?

UPDATE: Ok, two good answers, I've chosen the one with more votes as the "right" answer, leaving it to the wisdom of crowds to choose between two fine choices. For anyone who cares, I think I'll ...
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2answers
122 views

What is this type of connector called?

I frequently see it as the balance port connector on Lithium Polymer batteries, where it comes in 3-wire to 7-wire variants. What is its official designation?
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419 views

What is Full form of hFE of a digital multimeter?

In digital multimeter, there is a transistor-check function, and there is a term hFE. I do-not know how-to use-it, however, different Websites say it is a measurement transistor's gain ("the ratio of ...
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44 views

What is the terminology used for a (few)-bit permanent memory latch?

I would need a one bit permanent memory. With permanent, I mean able to maintain it value across power reset. Something like ...
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73 views

What does “a.u.” mean in the scale of a graph?

Please refer to the X-Y labels of image posted here, showing the I-V characteristic of a memristor. What does this abbreviation "a.u." stands for? Atomic units/arbitrary units?
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34 views

Terminology for referring to a normally open switch vs the normally closed setting it is used in

Is there some standard way to distinguish between the normal state of a particular component and the environment in which it is used? For example, a reed switch would be considered normally open if ...
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67 views

A switch that is only ON if the reference voltage is matched -+ 0.1 volts

Im a beginnerish will electronic and im looking for a switch that is only ON if the reference voltage is matched -+ 0.25 volts. So if i have a reference of 2.7v to match and i feed the switch a 2.75v ...
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60 views

Is there a standard abbreviation or symbol for “Transducer”?

Is there a standard abbreviation or symbol for "Transducer"? I get tired of constantly having to write out the word in full, and also making it a box in diagrams. In my case it's even worse - the full ...
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248 views

When conversing, what is a “big resistor”?

In casual conversation, what does "a big resistor" typically mean? Does it mean a resistor with a high resistance or a physically large resistor? Or, is this just bad terminology that should be ...
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107 views

What steps (electrical and otherwise) are involved in commissioning a machine?

The way I understand it, commissioning a machine refers to installing all of its systems and subsystems, making sure everything is running properly, testing it with an initial batch, documenting the ...
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3answers
661 views

Why was a capacitor called a condensor (condenser?) in the early days of electronics?

I refurbish old tube type radios. I know when I was a child, my father referred to capacitors as condensors (condenser?). I see references to condenser in old manuals and parts lists. I know ...
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1answer
63 views

What is the proper term for downgraded NAND Flash ICs?

In the manufacture of NAND flash (to my understanding): Wafer is produced Dies are probed for testing Dies that pass testing are configured as Tier-1 chips, then packaged. Dies that fail Tier-1 ...
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1answer
82 views

What does 'g' in switching converter input voltage \$V_g\$ stand for?

I'm studying switching converters and the input voltage of a Buck, Boost, or whatever is designated as \$V_g\$. I've racked my brain (and also searched Google), but I can't work out what the 'g' could ...
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3answers
122 views

What do you call a device that reverses polarity?

I am replacing a DC power supply used in a lab experiment. We need to be able to choose a positive or negative current. Bipolar power supplies in our power range (around 1 kW) are expensive, so I am ...
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186 views

On guitar amps, what is the difference between the two “watts” figures?

Disclaimer: I know nothing about electronics or guitar amps. (Actually, I do know one thing: that "wattage" is synonymous with "volume" when speaking about guitar amps and since watts are measured ...
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156 views

What do you actually mean by DC voltage gain and AC voltage gain?

What do you actually mean by DC voltage gain and AC voltage gain? I know their formulas but I do not understand what they actually are? That is, I do not understand their significance is and for what ...
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2answers
153 views

What is the name of the sensor that most inkjet printers use to keep track of the print head's position?

I've been trying to build a cheap X-Y-Z table using mainly bits of old CD drives and printers I've got lying around. Since the printers already have a good single axis I would like to be able to, ...
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2answers
84 views

Can the electron source be known as the anode in one place and the cathode in another?

It is my understanding that in a Galvanic or electrolytic cell the electrode from which the electrons flow is known as the anode. Yet it is also my understanding that in a vacuum tube the electron ...
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505 views

What does “ku” or “kU” mean with regards to procuring ICs? (not about RF)

NB: This is not referring to RF subject matter. I'm seeing 1ku and 10ku on procurement documentation for purchasing motor driver ICs (TI DRV8811 and some others). Does this mean "one-thousand units"? ...
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72 views

What performance requirements are implied by the term “telecom applications”? [closed]

I've noticed the term telecom applications or just telecom in a few datasheets I've come across, and in the book I'm working through, the phrase "In high-speed dc-dc switchers for the telecom market .....
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4answers
363 views

Firmware vs. Software

In computing, firmware is a computer program that is "embedded" in a hardware device, that is, an essential part of the hardware. It is sometimes called embedded software. I got this definition from ...
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226 views

MOSFET with *actual pin* for body

I have always thought that MOSFETs have four pins [see wikipedia], one of them connected to the body (i.e. substrate). However, when trying to order some, I have been completely unable to find any ...
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43 views

Some doubts on terminology

I've noticed that sometimes electronic engineers switch terms or have more than one term for the same thing. I wanted to ask, specifically in this question, what are these terms referring to: ...
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227 views

Technical term for this kind of PLC I/O?

I don't claim to be an electrical engineer or even an electrician as I work with software more often than hardware, my job does however often work with panel wiring and wiring I/O; I was hoping ...
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3answers
79 views

What does V(L) stand for in Translators?

This may be an easy question, but I do not understand why Maxim uses the letter "L" within the second supply voltage for MAX13046E. Other manufacturers like TI and NXP use names such as VCC(A), VCC(B) ...
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218 views

Is it voltage or power of the signal amplified when the opamp amplification is given in dB unit?

Today, one of my colleague said that he entered a preliminary examination in a company after his job application. One of the questions is exactly "Design a non-inverting amplifier with 20dB gain.". ...
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383 views

What is the difference between voltage UNBALANCE and voltage IMBALANCE?

I'm a Brazilian (so not a native English speaker) who just came across the user guide of a power quality analyser which has, among its features, measurement of both "voltage unbalance" as well as "...
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60 views

Is there any less awkward way of saying “response to to a step change in the amplitude of the input waveform”?

Exactly what the title says. I'm writing a technical report on a project I'm doing and I have one circuit which takes in a sine wave of various amplitudes, does a bunch of stuff to it and produces ...
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51 views

What does 'W/DIO' mean when used for MOSFET descriptions?

For example on Farnell: VISHAY SILICONIX SIHP18N50C-E3 MOSFET,N CH,W DIO,500V,18A,TO220AB I've googled it in various forms but all it returns is other listings for MOSFETs with that in the title. I ...
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265 views

Circuit providing output?

What does it mean for a circuit to provide an output power of say 1000W? Is "circuit providing power" referring to the battery supplying energy to the external circuit, or is it referring to the power ...
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3answers
1k views

What is an electrode?

According to wiki, an electrode is an electrical conductor used to make contact with a nonmetallic part of a circuit (e.g. a semiconductor, an electrolyte or a vacuum). Examples of electrodes are the ...
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2answers
622 views

What is Switch Contact Rating?

If Contact Rating of switch is 5A 240V AC & 0.25A 240 DC, Then is this switch can be used for contact rating of 220V (+10, -15% voltage variation) AC & 127V (+10, -15% voltage variation)
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54 views

Identification Request: 10:4 pin cable

What are cables like this called? (Bonus: what are the parts called?)
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2answers
83 views

What do you call a rotary switch that does not have a max turn degree?

Exactly like on the Logitech G35 or Logitech F540; not a rotary switch because those have notches and a physical limit. Instead of turning clockwise, or counter-clockwise, you rotate it 'up' or '...
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2answers
636 views

Was the term “shield” in use [for daughterboards] before arduino became popular?

The first time I heard the term "shield" in connection with arduino [some years back], I had to google it. So, I'm curious if this term—which seem to me to translate roughly as "daughterboard" ...
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114 views

Who sets “standard component” standards?

For example: the LM317. Wikipedia says it was invented by National Semiconductor employees in 1970 — but now if I search for "LM317 datasheet" the results include PDFs from Fairchild Semiconductor, ...
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1answer
194 views

Does reverse biasing hold any meaning in case if both terminals are n type semiconductors?

When we talk about an n-p-n transistor in common emitter configuration, we often say that emitter-collector circuit (the one towards right) is reverse biased. In what sense it is reverse biased? Here, ...
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83 views

Translating SIMetrix/SIMPLIS help into other language [closed]

The SIMPLIS Periodic Operating Point (POP) analysis excels at finding the steady-state ON-OFF limit cycle of a stable periodic switching system. Couldn't you explain me the sense of the sentence ...
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2answers
3k views

Is there a difference between a choke, a reactor, and an inductor?

I've seen all three of these terms used interchangeably. But once when I did so, I was told I was using one of the terms incorrectly. Are these terms, in fact, equivalent? Or are there differences ...
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What is the proper name for 'audio codec' ?

Is there any formal name for audio codecs? My lecturer said today that audio codec is a jargon and I should not use these words in my diploma, unfortunately she did not tell me if there is a proper ...
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2answers
1k views

What is a channel tap?

In wireless communication, I am confused about what people are referring to when they use the term 'channel tap.' Can someone explain the term or provide me a definition? Any help will be appreciated!...
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2answers
488 views

Why are NAND flash and NOR flash named using the terms NAND and NOR?

Is the naming of the two flash architectures related to differences between the two types of logic gates? If so, how? Why does or doesn't this difference also apply to different DRAM or SRAM ...
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72 views

What do the numbers on a zener diode signify

I have a zener diode obtained by reverse engineering, there is an icon of what is surely the mathematical model, and there are two numbers 41 and underneath 48, what do these signify?
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154 views

When did the term “Electronics” come into common use [closed]

I know from watching old movies that in the U.S., for a time at the dawn of the vacuum tube era, the term "radio" was used to refer to the field of electronics (in addition to the medium of broadcast ...
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209 views

Push button switch terminology

I'm looking for a push button switch that when you press it, it is open and then when you press it again, it is closed. I believe this is called an "alternate action" push button switch. Is this ...
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2answers
1k views

“Clocking” and “Latching” with Arduino

I've just started using IC's, and am am trying to understand exactly how they work. I know that you must first clock in data to the shift register using Arduino's ...