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 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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93 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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141 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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73 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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76 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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80 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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331 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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70 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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234 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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140 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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40 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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188 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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62 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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206 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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194 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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59 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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50 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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262 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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948 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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264 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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53 views

Identification Request: 10:4 pin cable

What are cables like this called? (Bonus: what are the parts called?)
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82 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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329 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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109 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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190 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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68 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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2k 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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131 views

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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772 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 ...
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302 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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68 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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123 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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181 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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692 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 ...
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93 views

Is it correct to use “wattage” and “amperage” instead of “power” and “current”?

Is it legitimate to call the name of an electrical quantity with the name of the unit of that quantity by adding the -age suffix to it? Examples: ...
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2k views

Is there a difference between “voltage supply” and “power supply”? [duplicate]

A device, circuit, actuator or chemical structure which outputs a fixed voltage level is usually called with one of the following terms. Voltage Source Voltage Supply Power Supply Is there any ...
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544 views

What is meant by Vf? [closed]

What does "Vf" mean? I have searched every facet of the internet and I cannot find an answer. I just want to know what Vf means.
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2k views

What does “16 -> 14 AWG” mean?

I'm looking at this product, contacts for a connector. The text says: Molex 19420 Series PCB Connector Contact, 2.55 x 2.8 mm, 16 → 14 AWG Tin Plated What does the last part mean? 16 → ...
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1answer
126 views

What is the technical standard name for the USB connector used for Samsung Behold phone

I am in search of the technical name for the connector used for charging and data transfer in samsung behold sgh t919. One end is USB standard, what is the other end named? Is it an International or ...
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294 views

What is power supply resolution?

In PIC12C5XX programming guide I found a requirement: 1.1 Hardware Requirements The PIC12C5XX requires two programmable power supplies, one for V_DD (2.0V to 6.5V recommended) and one for ...
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117 views

Push button switch terminology question

What is the proper term for the upper part, the one we push on push button switches? Is it button or knob (I also saw it referred as head and actuator)? I am asking because I want to buy some for a ...
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1answer
59 views

Can features like ADC and PWM on a pin be considered as functions/configurations of a GPIO?

this is more or less a question about wording. I am designing an API and need to figure out whether or not the namespace name used is correct or needs to be refactored. The namespace is called GPIO ...
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4answers
446 views

The various terms for voltage

I am trying to get a handle on some electrical circuit diagrams I've been encountering as I try to get back into electronics and building electronic gadgets. I've encountered a number of terms for ...
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87 views

Driving, feeding and similar terms in electronics

My technical background isn't very strong, and I often hear about one circuit "driving" another, or "feeding" it. Although, intuitively, I believe I understand the concept, I am not sure I would be ...
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2answers
416 views

The term `frequency' in EE (especially signal theory)

In physics, frequency is simply \$f\$. I mean, Frequency: \$f\$ (with unit Hz = s-1) Angular frequency: \$\omega = 2\pi f\$ (with unit rad/s) However, when I read EE textbooks, they use `frequency' ...
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151 views

Is it a bus or driver? [closed]

A responsible designer has decided that we have a bus on the right and a buffer on the left. Do you think the same?
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86 views

light sensor brick - what is n pin? [closed]

I'm using a light brick sensor, which has a 4 pin grove interface and a 3 pin 2.54mm pin interface. Sorry for the dumb question, but in the groove interface pin, there is a 'n' pin I don't know the ...
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3answers
132 views

Electric vs Electrical vs Electronic

I want to know if the words electric, electrical, and electronic can be used interchangeably. They all seem to mean about the same thing... Any suggestions?
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5answers
5k views

Common vs. ground

I've been trained to use the word ground and the ground symbol to refer to the earth, the dirt on which we stand. Circuit common is considered to be a separate concept, with the symbol . My ...
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100 views

Why is a non-rechargeable cell a “primary” cell, and a rechargeable cell “secondary”

I was relating the Digi-Key Trivia Thursday question to my friend today and he was confused why a rechargeable cell is "secondary", and all I could reply with is "it just is". The Wikipedia article ...