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Questions tagged [terminology]

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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Why is the Clock Signal referred to as SCK instead of CLK in SPI?

I understand "SCK" expands to "Serial Clock", but simply calling it "Clock" would have worked just as fine. Am I right to understand that this "S" is a ...
Curious_Baby's user avatar
7 votes
5 answers
2k views

What is the terminology for the opposite of the "active" state?

I'll keep it simple: The two states are called HIGH and LOW (and in some cases HIGH-Z, but not relevant here) For ACTIVE-HIGH signals, the state HIGH corresponds to the ACTIVE state; How would you ...
Marko Gulin's user avatar
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4 votes
6 answers
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Saturation region of BJT

The figure here presents the output characteristics of a common emitter BJT. My question is that why the region mentioned as saturated region is known as the saturation region? As far as I know is ...
Alex's user avatar
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0 votes
1 answer
76 views

Terminology: Proper way to denote typical European 3-phase AC grid

The widely known 3-phase grid in Europe with 50 Hz and 400 V between two phases and 230 V between each phase and neutral is often referred to as "3 x 400 V" or "3 x 230 V". Is one ...
Dave's user avatar
  • 105
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0 answers
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110V Y connected supply with switch

I have two high-draw machines that I want to use on a single 110 V, 20 A outlet. I have a setup like this for a similar issue on 220 V: I would like a setup like this on 110 V, so that I can manually ...
Wes C's user avatar
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10 votes
7 answers
3k views

Frequencies are inherently positive physical quantity.... what does it mean?

While I was going through a digital signal processing course, I came to this problem where it says that "Frequencies are inherently positive physical quantity" - Digital Signal Processing by ...
Rayhan's user avatar
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12 votes
3 answers
2k views

What do B and H stand for in a magnetic BH curve?

I can't seem to find what the B and H stand for in a magnetic BH curve. I understand B is magnetic flux density and H is amperes/meter, but why are the letters B and H used? Why not A and B? Why is it ...
Gabriel Philips's user avatar
2 votes
2 answers
1k views

Difference between interlock and permissive

There seems to be somewhat differing and sometimes overlapping definitions of these terms. Below are definitions found in The Automation, Systems, and Instrumentation Dictionary, Fourth Edition by ISA....
ivvi's user avatar
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1 answer
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Do I need to edge instead of set a pin that is considered a "strobe"?

I am trying to get the NHD-320240WG display to run using my 8 bit hobby computer. I have successfully gotten this display to work with an Arduino and have ported the code to 6502 assembly. When ...
Bart Friederichs's user avatar
5 votes
4 answers
2k views

What exactly makes a reed relay different from a regular relay?

I understand that a reed relay is a reed switch with a coil added, but the internals of a reed switch: (source) sure do look a lot like the contact portion of a regular relay: (source) What exactly ...
Hearth's user avatar
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1 answer
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What is this type of radio aerial called?

I need a replacement aerial for my FM radio, but I can't seem to find the right type. I suspect that this type of aerial has a name. It's telescopic, and has a joint so that you can angle and rotate ...
Rocketmagnet's user avatar
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1 answer
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Usage of Spanish word "Tresbolillo" in electrical distribution

I am from Spain, and in this country is very common to use the word "Tresbolillo" to designate the distribution of electrical cables but not for a stringing connection, as it says in a ...
Daniel Prieto López's user avatar
0 votes
1 answer
70 views

Relation between controllers and compensators?

https://www.control.utoronto.ca/people/profs/kwong/ece311/2018/lecture_notes/lead_or_lag.pdf Please check the above link especially the lines shown highlighted in attached snapshot. So can we say that ...
ATJ's user avatar
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1 answer
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Unit of integral windup reset parameter?

What is the unit of integral windup reset parameter? Is it the same as the unit of time, seconds?
ATJ's user avatar
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1 vote
5 answers
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Definition of a short [duplicate]

I know what a short is, or I think I know. Well maybe I don't. If two wires from a power source are crossed - it's a short. If a component is working normally - not a short. If the component however ...
MiNiMe's user avatar
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-1 votes
1 answer
674 views

emitter/collector/base vs source/drain/gate terminology?

Sometimes I hear transistors described with emitter/collector/base terminology, and sometimes with source/drain/gate terminology. What is the reason for having these two different sets of terms?
Mark Harrison's user avatar
2 votes
2 answers
324 views

Is embedded systems a subset of the systems programming field?

I am a little unsure about the distinction between systems programming and embedded systems fields. Both definitions are pretty straightforward: If we produce software targeting other software, we ...
Rubem Pacelli's user avatar
5 votes
3 answers
945 views

In English, a "'shrouded" connector is one with walls that surround its mate. What is the corresponding adjective for its mate?

For the last few years, I have been searching for an adjective that describes all connectors that fit inside a shrouded connector. I have not found a satisfactory one. I am about to go to press with a ...
Davide Andrea's user avatar
-1 votes
1 answer
48 views

Confusing terminology? [closed]

I posted this question at motor vehicle stack exchange but I believe it's more suited for this. I've noticed that many computer errors (diagnostic trouble codes PXXXX) in cars use confusing ...
Aden's user avatar
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1 vote
0 answers
32 views

technical term for this phenomenon: minor adjustments to a notebook's LED-LCD screen angle result in major legibility issues

Perhaps a bit of background will help you to understand the question I'm trying to formulate. I have no engineering background but would like to read more about this LED-LCD phenomenon though I don't ...
Tim's user avatar
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8 votes
2 answers
2k views

What does the statement "Schottky diode has high switching speed" mean?

I understand that digital circuits that can be run at high frequency can be called "high speed," but what is the meaning of "Schottky diode having a high switching speed?" Does ...
quantum231's user avatar
-1 votes
1 answer
151 views

Origin of the term "doping" in semiconductors

Is there a known origin/etymology for using the terms "doping" and "dopants" when describing the process of introducing impurities to semiconductors? I have never been able to find ...
Halleff's user avatar
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2 votes
1 answer
95 views

Why do datasheets sometimes use fractions of a microfarad or tens of thousands of picofarads instead of nanofarads? [duplicate]

This datasheet for a mini dev board, as an example, denotes eg C1 as 0.1µF, and C6 as 10000pF, instead of 100nF and 10nF, respectively. This is something I've noticed in several datasheets at various ...
Isaac Middlemiss's user avatar
0 votes
0 answers
121 views

Multiple feedback filters: Deliyannis? Friend? Rauch? Which one is which?

I am somewhat confused regarding the MFB filter naming custom. In the literature, I read of the Deliyannis form, the Deliyannis-Friend form, the Rauch form, and people seemingly confuse them. There ...
sh-'s user avatar
  • 281
0 votes
2 answers
84 views

Does this latch have a name?

I'm looking for a circuit like: Where, on the rising edge of any input, the corresponding output latches on and the rest of the outputs turn off. Sort of a mutually exclusive selection latch. Does ...
Jason C's user avatar
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11 votes
5 answers
3k views

Can we say that a CPU is an ASIC that is designed to perform a wide range of instructions?

My question is more terminological than technical. I have come across different definitions of what an ASIC is. The most common one is that an ASIC is an IC that is designed for a specific application ...
Ramzi Baaguigui's user avatar
2 votes
2 answers
2k views

Insulation resistance or isolation resistance?

is there a difference between "isolation resistance" and "insulation resistance"? What is the correct term? I have a definition: "Electrical resistance with an often high ohm ...
Antonia's user avatar
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1 vote
0 answers
87 views

Are contradictory definitions of cathode/anode (in conventional cf) explained by two ways of conceptualizing the circuit?

For consistency let's just consider conventional current flow; we can imagine it as positively charged holes. I don't want an electrochemical (or even historic) explanation, just a consistent naming ...
ben's user avatar
  • 111
3 votes
1 answer
366 views

Is "load sharing" when 2 power supplies are connected in parallel or when a battery is connected indirectly to the load?

I see the term "load sharing" used in two completely different cases: When 2 power supplies are connected in parallel, a technology that ensures that each delivers half of the load current: ...
Davide Andrea's user avatar
0 votes
2 answers
109 views

Can a digital system be considered an ASIC regardless its physical implementation?

From my knowledge from classical books of computational and digital systems, an ASIC is a category of full-customized or semi-customized integrated circuit (IC) tailored to a specific application. ...
Rubem Pacelli's user avatar
6 votes
3 answers
1k views

Electronic vs. Electronics Engineering [closed]

As a non-native English speaker, I am always torn between writing/saying, "I have a degree in Electronic Engineering" vs. "Electronics Engineering". I have heard the Electronics ...
Rubem Pacelli's user avatar
16 votes
2 answers
1k views

Meaning of 'Bessel Filter'

Question I'll get straight to the narrow point ahead: I'd like an expert's opinion on the appropriate use of Bessel when considering a specific 4th order bandpass design. I don't mind a more general ...
jonk's user avatar
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0 votes
1 answer
146 views

What are the differences between on-off control, proportional only control, and fuzzy control?

How we can differentiate between these 3 concepts: On-off control and proportional only (where integral and derivative gains are zero) control and fuzzy control? I am especially confused in the ...
DSP_CS's user avatar
  • 1,219
2 votes
1 answer
46 views

Multiplexer terminology

If a multiplexer has N inputs and 1 output, that's called an N:1 multiplexer. But suppose a multiplexer has N inputs, each of which is an M-bit bus, and the output is also an M-bit bus. What is the ...
MathematicalOrchid's user avatar
0 votes
2 answers
50 views

Confusion regarding actuator

Almost all of the block diagram shown in control systems texts show a controller block and a system/plant block, but they don't show an actuator block. So I am confused, should we consider thr ...
DSP_CS's user avatar
  • 1,219
6 votes
3 answers
304 views

Technical term to define "the grooves" feature in a plastic enclosure

What is the technical term to define those grooves indicated by the arrows, in the attached picture?
Adrian Ionescu's user avatar
1 vote
1 answer
1k views

What is the relation between filter coefficient (N) of Simulink pid block and filter time constant of MATLAB pid command?

What is the relation between filter coefficient (N) of Simulink pid block and filter time constant of MATLAB pid command? According to my experience they are not same or equal, there is some other ...
DSP_CS's user avatar
  • 1,219
10 votes
3 answers
1k views

What is the etymology of 'plane' e.g. data plane, control plane, etc.?

My guess would be aviation (used as an analogy), but I find no source for this. Data plane was being used as early as 1965 (e.g. in this paper) https://ieeexplore.ieee.org/abstract/document/4038491 &...
Ben's user avatar
  • 201
5 votes
3 answers
996 views

Linear regulator and switching regulator terminology

Linear voltage regulator = linear regulator = voltage regulator? Switching regulator = switching voltage regulator = switch mode power supply SMPS (e.g. step-up, step-down)? Are the terms above ...
Alan's user avatar
  • 103
1 vote
3 answers
72 views

Confusion regarding sensitivity topic of closed loop system

I am reading about closed loop systems in Dorf, Modern Control Systems. While reading, I got confused by highlighted text in the attached snapshot. What does "variations in parameters" mean. ...
cvs's user avatar
  • 43
3 votes
6 answers
2k views

What are some of the examples of "plant" in control systems?

What is meant by "plant" in control system? This above question gives some detail about the term "plant" in context of control systems. But it mainly mentions "DC motor" ...
DSP_CS's user avatar
  • 1,219
1 vote
1 answer
309 views

Exception vs interrupt for Cortex-M chip

I'm not sure how to use the terms "exception" and "interrupt" correctly. In the book Embedded Systems with ARM Cortex-M Microcontrollers in Assembly Language and C it says: "...
gbt's user avatar
  • 713
3 votes
1 answer
103 views

What is meant by the term "general amplifier"?

I have been studying the topic of amplifiers recently and I've come across the term "general amplifier" a number of times online. Does this term refer to a particular kind of amplifier, or ...
int's user avatar
  • 77
2 votes
1 answer
78 views

What is the formal/usual name of this kind of connector?

I need to buy connectors like these: I don't know how to search for them in the millions of existing connector references. Could you tell me what their formal name is, or what these are usually ...
charon25's user avatar
  • 351
1 vote
0 answers
42 views

Confusion understanding the term "classic control"?

I am trying to study basics of control systems, and I have came across terms like "classic control" and "modern control". These two terms "classic control" and "...
jhn's user avatar
  • 19
4 votes
2 answers
444 views

Confusions regarding Laplace transform

We know that Laplace transform has two parts, \$\sigma \$ and \$ j\omega\$. \$\sigma\$ is the real part while \$ j\omega\$ is the imaginary part. Is it okay to say that the term \$\sigma \$ is a ...
s12d's user avatar
  • 41
0 votes
3 answers
424 views

Bring up a board

I often wince when I hear engineers at my current workplace say "We need to do xxx during the bring-up of the board." Basically, it is a board with a few components and as they test that the ...
cup's user avatar
  • 213
6 votes
1 answer
2k views

What is an Elegant Breadboard

There are quite a few documents on the internet which use the term Elegant BreadBoard (EBB) with no explanation of what it actually is. I've been trawling the net trying to find out the difference ...
cup's user avatar
  • 213
1 vote
1 answer
115 views

Calling embedded systems vs. calling embedded electronics

I know that the name "Embedded systems" is way more adopted worldwide. However, it always intrigues me since, in engineering, the term "system" is usually used when it is intended ...
Rubem Pacelli's user avatar
0 votes
0 answers
72 views

Bob Smith Termination - Where should we use it? [duplicate]

What is a Bob-smith termination and why do we use it? I've seen it being using in Ethernet RJ-45 connectors where it is terminated to Chassis ground? Can someone tell me how this type of termination ...
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