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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2answers
80 views

What is this output stage?

simulate this circuit – Schematic created using CircuitLab I've been calling this push-pull but apparently "push pull" is another name for totem pole now.
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Difference between “|Z|” and “Resistance” in capacitor datasheet?

I'm shopping for capacitors, and I expect good capacitor datasheets to have a graph of |Z| (the magnitude of the capacitor's impedance) as a function of frequency. I was confused when I looked at ...
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Collective Term for (FPGA, GPU, CPU, DSP, NPU)

I am looking for a collective term for these compute blocks (FPGA, GPU, CPU, DSP,NPU). I found it in some journal but I cant recall. I want to use it in an article I am writing. P.S I made up to term ...
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What is the correct name for a footprint that connects to a panel mount component?

Let's say you have a panel mount switch. When you create the footprint for this switch, you aren't creating it for the switch itself, rather, you are making a footprint with holes for the wires that ...
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1answer
31 views

What is “tap line”?

I am reading this article (https://arxiv.org/ftp/arxiv/papers/1901/1901.02069.pdf) where I have come across this sentence: "we first designed a parallel coupled Chebyshev bandpass filter as shown in ...
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1answer
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What does the T stand for in AXI4-Stream's TDATA, TVALID, TREADY, etc.?

In the AXI4-Stream protocol, the names of the signal that make up a stream are prefixed with T: TDATA, ...
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What is smallest addressable value in an octal number called?

In a binary number, the smallest addressable value is called as a bit. In a decimal number, the smallest addressable value is called as a digit. In an octal number, what is the smallest addressable ...
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1answer
48 views

Confusion regarding the term“locking” in PLL

I am trying to learn PLL from a website https://www.allaboutcircuits.com/technical-articles/what-exactly-is-a-phase-locked-loop-anyways/ ]1 I came across a sentence containin[g the term "lock" ...
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1answer
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Layman explanation of “dynamics” or “dynamic behaviour”

I often read the term dynamics or dynamic behaviour in electrical engineering especially in control systems course What is meant by it? Is it means that the system whose internal state/properties ...
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2answers
3k views

What's the meaning of Electrical Inches?

I was reading a PCB design notes and guidelines from Xilinx for their 7 series FPGAs and came across this sentence: The capacitors should be placed as close as possible to the FPGA. Any placement ...
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3answers
96 views

How to classify power electronics components in 2 main groups?

I'm working on preparing a course about power electronics, and with my basic search conclusions. I thought that if it's possible or acceptable to classify the power electronics components in 2 main ...
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Definitions of elements, nodes, branches, loop, mesh for a network with short circuit

CONTEXT This question is intended to highlight the lack of precise definitions of basic circuit terminology that I have found. For example, consider the following definition of branch. "A ...
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Why does `buck` mean `step-down`?

I just read about buck converters and boost converters and buck/boost converters. Great stuff. But, why is a step-down converter called a buck converter? I tried to research this myself. According ...
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3answers
915 views

The term Feed-forward and its meaning?

I am trying to understand the technical meaning of the term 'feed-forward', when and where it can be used and where it cannot be used? I have seen this term in various different areas. For example: ...
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1answer
728 views

What is this kind of symbol meant to be?

I found this picture in some old labnotes where one wants to determine the vacuum permittivity \$\epsilon_0\$ by using a resonance circuit for a sender and recipient each. However, I don't understand ...
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1answer
78 views

Are there round header pins?

I am attempting to get two probes through a sealed case to detect the pH of a fluid like water. My thought was to get two header pins and seal them with a custom 2mm diameter seal. However it looks ...
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1answer
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What is meant by the term “baseline noise” in this context?

I came across this article about oscilloscopes. Under the figures and scope screenshots there is a term called "baseline noise". I googled but it turned out this baseline noise is used at different ...
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3answers
225 views

Is space division multiplexing really multiplexing?

I don't know much about electronics, but happened upon the Wikipedia article for Multiplexing, which defined it as: a method by which multiple analog or digital signals are combined into one signal ...
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2answers
46 views

Need a 48v relay but I don't know the terminology

I need a little terminology help so I can search for and obtain the correct relay. The relay will control a 48v 32a circuit. It should be normally open unless a signal is present. If the signal is ...
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2answers
104 views

Electrodes and number of pins in vacuum tubes

I am confused regarding the terminology 'diodes', 'triodes' etc and the number of pins in these elements. If a diode has a cathode, an anode, and a supplementary anode (the control grid or plate) and ...
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1answer
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DC-DC Converter - Why is the input voltage called Vg?

In the textbook I'm reading (Fundamentals of Power Electronics 2nd Ed, Erickson and Maksimovic), the input voltage for several different types of converter circuits is labeled Vg. The textbook gives ...
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0answers
50 views

Control a solenoid position “in / out” with power only (no spring)

I'm going to use a < 5$ solenoid (vertically oriented) that has to press something. If I understand well, a linear solenoid like this one: moves to one precise position when powered, but when you ...
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2answers
69 views

What does “heavily decoupled voltage source” mean in this context?

Regarding the following paragraph: To measure the amount of input-referred noise, the input of the ADC is either grounded or connected to a heavily decoupled voltage source, and a large number ...
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2answers
88 views

Calculating voltage drop and current use of an IC

I’m trying to figure out the voltage drop and the current used by a Johnson counter from a data sheet and am feeling a little lost. In particular I’m looking at a CD4022B from TI. I’m looking at ...
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1answer
243 views

what is the difference between rated power and power rating?

Very appreciated if anyone can explain the difference between rated power and power rating. I used to see both of them in electronic magazine.
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133 views

What is a “digital” servo motor?

ServoDatabase lists various different servo motors, and describes some as "analog" (e.g. SG90) and some as "digital" (SG92R). "Digital" servo motors are apparently better (they seem to cost more, ...
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4k views

What does a resistor value of “NOM” mean?

On this schematic of part of the Apollo Guidance Computer (found here), some resistors have a value of "NOM." According to this question, "NOM" stands for "nominal" when it's found in a datasheet, ...
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1answer
235 views

Is there an industry term for IC “drop-in” circuits used for malicious or clandestine purposes?

There is a vocabulary for code used for malicious or clandestine purposes. Terms include malware, virus, trojan-horse... In a large IC with millions of transistors, it is feasible to produce a ...
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1answer
70 views

Help deciphering abbreviated terms in technical manual

I'm having trouble deciphering some abbreviations in a parts list of capacitors from a technical manual for an old (80s-90s) computer. I've managed to work out that "CPCTR" stands for "Capacitor", ...
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3answers
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Is it correct to say that a smartphone cable is only a “1A” cable?

A store owner said that some lower quality smartphone charging cables are only "1A cables", so if you want 2A, those cables won't do the job. Is it correct to say a cable is only 1A? Does the metal ...
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3answers
2k views

What is meant by 'local' in local oscillator?

We know that a local oscillator (LO) is an electronic oscillator used with a mixer to change the frequency of a signal. But what do we mean by 'local'? How is 'local oscillator' different from ...
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2answers
88 views

Two-port circuit with input/output duality

Suppose I have a circuit with two ports. One port is considered the input, and the second port is considered the output. Assume it's described via $$V_{out} = \frac{V_{in}}{2}$$ Now assume there's ...
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1answer
233 views

What do terms half-rate and quarter-rate mean for DRAM memory controllers?

DDR3 Memory controller are often presented as being half rate or quarter rate, but what does this mean? e.g if I have a DDR3 SDRAM that is x16, what does the half or quarter rate imply in that case ...
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920 views

Confusion over the power wires of USB (GND and +5v)

I'm converting a battery powered device to be powered off a USB connection. I think I have everything figured out except one thing. I understand there is a GND wire inside the USB cable for power, ...
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1answer
59 views

What is a “reverse type” tsop?

I was looking through a datasheet, when I noticed this sentence: TSOP package is suitable for cards, and reverse type TSOP is also provided. What is a "reverse type" TSOP? I am familiar with ...
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1answer
161 views

what is the German/Austrian nomenclature(Voltage and current direction) in electronic circuit?

AS I came from a country where we use the french system in defining the voltage current arrows in electronic circuit, I am confused about the German/Austrian system where I see the voltage arrow is ...
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5answers
18k views

What is the name of these little plastic things that protect wires from being cut into by the sharp edges of a drilled hole?

What is the name of these little plastic things that protect wires from being cut into by the sharp edges of a drilled hole?
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1answer
64 views

Is there an industry-wide name for anti-parallel diodes across an IGBT module's collector and emitter?

For example, this datasheet refers to a 'freewheeling' diode and a 'boost' diode. The upper diode is the freewheeling diode, right? If you wanted to switch an inductive load with a single such module,...
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1answer
186 views

what is exactly 'gain and loss' is and how is it used?

I'm kinda confused by its definition. I know that gain is a measurement and gain and loss is the calculation (??). I'm still in 12th grade. Please guide me.
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2answers
261 views

Magnetic path length for partially wound toroidal transformer core

According to Wikipedia, magnetic path length is defined as "the effective length of a closed magnetic loop inside a magnetic core made of ferromagnetic material." Thus, for a toroidal core that is ...
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1answer
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What is the meaning of hostless in terms of IC/Controllers/SOCs? [closed]

The question is specific to QCA4020(You may not be able to access it!).There are certain IC's that claim to be hostless, and to my understanding that is it doesn't need a master to control them. But ...
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1answer
33 views

Is rheostat the same thing as variable resistor?

In class notes, it is written that variable resistor is the same thing as a rheostat. I googled it to find that some people on different question/answer forums have different "perspectives" about this....
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2answers
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Is the potential in “potential difference” the short form of potential electric energy?

Just a few days ago, we were taught the basics of electricity in the IGCSE Physics syllabus. While he's said a great deal about potential difference and how it's the difference in voltage between two ...
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2answers
138 views

Is this an encoder? Correct naming of circuitry

Newby to the digital circuitry world please be nice. For a rock paper scissors game, I've created the following to determine a winner, however I don't know what this circuit would be called in the ...
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0answers
31 views

Pulse width modulation and textual expression of resulting stimulus level

So we have been using pulse width modulation (PWM) as a means to digitally change the driving voltage of vibration motors. Usually, afaik, the resulting voltage from PWM is expressed as %duty cycle ...
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3answers
216 views

I'm having trouble understanding SPST terminology

Before someone LMGTFYs me, let me get this straight: I HAVE DUCKDUCKGO'ed this already, but I still cannot understand what switch 'pole' and 'throw' mean. I really just need a clearer explanation of ...
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2answers
482 views

Push button switch with “hysteresis”

I am an avid Digikey-goer and I was looking for a push button that I needed for a project. I am unsure whether the phenomena I want in this part is explicitly marked on the product, or searchable on ...
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2answers
187 views

Basic LC Circuit: Oscillator or Resonator?

Is an LC circuit an oscillator, or resonator? I just want to make sure I'm using the correct terminology. I've been calling it an oscillator, based on the oscillating waveform it generates. Someone ...
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1answer
176 views

Does DCMI mean dc mA?

I am working with a 60 year old schematic and test procedure. The latter refers to adjusting rheostats to "300 DCMI" or "between 100 and 130 DCMI". There are voltage and ammeters attached to different ...
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7answers
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A machine consumes power or energy?

What is the correct wording to use in a formal paper, "power consumption" or "energy consumption" for an industrial machine? I totally understand the practical difference between power and energy, ...

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