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Questions tagged [symbol]

An electronic symbol is a pictogram used to represent various electrical and electronic devices

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6
votes
1answer
1k views

What is the meaning of the “lasso loop” on circuit diagram?

I've never seen this "loop" structure in a circuit diagram before. Pin 6 has a line that loops around the lines from pins 5 and 9. Pin 7 has a line that loops around all other lines, except the ?...
11
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1answer
2k views

Symbols: Double-arrow circle enclosed “10” on electronic appliances

What does the symbol that says 10 inside the double arrowed circle mean? I have seen a similar symbol on another appliance that had the number 25
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0answers
99 views

Help with RGBS schematic

I am making up a cable for the below diagram, but am slightly confused about the shielding. Does this mean that the red (earth) should shield the yellow, white (earth) shield the orange, etc? Does ...
2
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1answer
350 views

What does this symbol in a schematic diagram mean? (wire through circle)

I am looking at the data sheet for the iC-NZN N-type laser diode driver. What does the marked symbol stand for? It appears in a number of places, always marking IO pins. My guess would have been ...
2
votes
1answer
287 views

Having Trouble Identifying Crystal Oscillator Symbol

I'm working on a circuit implementing the TI CC2640R2F (Datasheet) which requires an external 24MHz crystal oscillator to function. In the schematic (pg. 42), it shows what looks like a normal ...
1
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1answer
93 views

What does this “Not Installed” symbol mean on the data sheet?

I am designing a circuit that uses the TI TPS561201 buck converter. Reading the data sheet, I am slightly confused with the notation of "Not Installed" next to some of the components. Questions: ...
1
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2answers
147 views

SENT protocol output unit is LSB. What does this mean?

I have read couple of datasheet of devices which uses SENT protocol. They define the output between 193 and 3896. The unit is LSB. I think that this does not mean least significant bit? Example: ...
0
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1answer
624 views

Symbol for ideal voltage source vs symbol for real voltage source

Wikipedia's article on Voltage source shows the figure below. It says in the figure that the following symbols is an ideal voltage source. However, elsewhere in the same article they have a circuit ...
1
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1answer
519 views

What is this triangle symbol representing?

I am getting started with electronics and decided to learn about the inner workings of the L293D. However, I found a symbol I don't recognize, which is the triangle with 3 connections. There are four ...
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2answers
244 views

What are these “X”s / crosses on this schematic's wiring? Traces attached to the metal housing (ground)?

Below is a section of the schematic for the RF modulator of a Nintendo NES-001 system. I am curious what these Xs are that I've boxed in red below. Looking at my own NES-001 and matching locations, I ...
8
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3answers
2k views

Where does this current source symbol come from?

There's an old symbol for a current source that's just two overlapping circles, reminiscent of a Venn diagram. There is more than one question on here with people asking what the symbol is, but I'm ...
1
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1answer
1k views

What do the letters W, Z and G stand for on an extension cord (USA)?

G seems to be obviously (G)round, but I have no idea which of the others is Neutral and which is Hot.
0
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1answer
299 views

Is there a switch that can replace Voltage Controlled Switches?

This is the voltage controlled switch in the LTspice. Is there a switch which can replace it? I need a switch for a schematic. At first, I used a transmission gate switch, but the simulation of the ...
2
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1answer
92 views

Please, define symbols which are pointed

What do these symbols mean? Please, describe It is a part of high voltage power supply
0
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3answers
535 views

Meaning of Ceramic Capacitor markings

I was inspecting a PCB with a magnifying glass and noticed some of the light brown ceramic smd capacitors have 3 digit markings on them. Is there a "standard" of what these markings stand for? The ...
9
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3answers
3k views

what does this symbol mean?(like a comparator,but there is another symbol in this triangle)

What does the symbol mean?what is this comparator difference?what is its function?can anyone introduce it to me?
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0answers
84 views

What does this key looking symbol (with 4 bars) indicate?

Im currently studying for my NEN3140 exam and I stumbeld acros this image: I have been poking around in google (and all the symbol questions I could find here) and the closest I got is this (page2): ...
0
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1answer
658 views

What does a P-Channel MOSFET symbol with body connected to source mean?

I was just trying to source a power MOSFET, and I stumbled across a very odd symbol for a P-channel MOSFET. I know that the arrow pointing out means it is P-channel, and I know that the dashed bar ...
0
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1answer
362 views

LTSpice arbitrary voltage block (bv) simulating full wave bridge rectifier

I'm creating a LTSpice simulation. I need a voltage source that looks like the output of a full wave bridge rectifier. The simulation includes a sine voltage source (voltage block) line to generate ...
10
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3answers
3k views

What does this symbol (three connected triangles) mean?

What do the symbols \$GD_{SN}\$ and \$GD_{SI}\$ mean? What is the component’s purpose? The second picture shows its schematic.
7
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4answers
2k views

What is this symbol near an AC motor?

What is this symbol circled in green in the image? Is related to that induction motor, and I guess it is a french project (if that helps).
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0answers
52 views

Unknown symbol in logic diagram [duplicate]

I am trying to make sense of this logic diagram for an ON Semiconductor 7-segment display driver. What is this logic symbol? I have never seen it before, and I have not seen it anywhere online after ...
1
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3answers
751 views

What does this diode symbol mean?

I found this diagram in the TI TLV431 datasheet. The diode symbol looks like a zener, but has an addition input on the side. What is this supposed to represent?
5
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2answers
4k views

Diode in MOSFET symbol [duplicate]

Is there any difference between MOSFETs with a diode in their symbol and the HEXFET? Also, is there a difference between MOSFETs with a diode in their symbol and other MOSFETs?
0
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1answer
495 views

Potentiometer schematic symbol help

I cant figure out which pin is the number 1 on the potentiometer and variable resistors within this schematic. I would guess that the circle with a slash through it is pin one but I'm not sure. Any ...
2
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1answer
142 views

LM3466 circuit symbols, SEN/SRC to ground?

I'm reading the LM3466 datasheet (page 9) and am confused about the symbol downstream of the SEN/SRC pins and R(sen). Is this a ground symbol? If so, why do they use multiple different ground symbols ...
0
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1answer
251 views

What does this symbol stand for?

Please tell me what this symbol means:
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5answers
5k views

Anyone recognise this capacitor and its symbol (circle with dot)?

Trying to repair an old Hameg CRT oscilloscope and looking at the schematics for the HV Z board I see the following capacitor symbol (in red box): The capacitor itself looks (vaguely) like this: I'm ...
0
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1answer
219 views

Altium - Is it possible to move the symbols added to pins when creating components?

I'm drawing a simple inverter and would like to have the Schmidt trigger symbol inside of it. Altium places it outside the boundaries. Can't find how to move & scale it. Suggestions are welcomed!
0
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1answer
417 views

Is there a standard for schematic power symbols?

I notice that some schematics use a single, labelled, symbol for power that looks like an uppercase letter "T", while others use varying symbols (mostly types of arrow) to indicate various voltages; I ...
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1answer
208 views

What the heck IS this thang? [closed]

Hey you kids! Don't putcher lips on it! Seriously, I do not know what this symbol means. Printed nearby says 14 mA at 10V. Goes to ground from the inverting input of an LM833 op amp. Anyone?
3
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1answer
244 views

What is this schematic symbol?

I have this schematic here I'm trying to recreate in Kicad. I'm lost on the meaning of part "PH_A, P8".
4
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2answers
702 views

Is this datasheet wrong?

http://www.mouser.com/ds/2/395/DTA124%20EE%20A12-248319.pdf It says it is a PNP transistor but symbol is of NPN transistor. The equivalent circuit shows the transistor sitting between load and ground ...
14
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2answers
3k views

What is the significance of this symbol?

What the significance of this symbol? It's part of 17IPS61-3 26" to 40" LED Slim Integrated Power Supply, and the whole datasheet can be found here.
0
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2answers
2k views

What does a slash over a line in a circuit diagram mean?

In the following diagram (from William Stallings, Computer Organization and Architecture), what does the slash '/' over the lines mean? E.g. there is a / over the s + w line on the top, why is it ...
2
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0answers
227 views

What does a triangle with a slashed zero in it represent?

In the block diagram for an RF component, there is a triangle with a slashed zero in it as below: What is it meant to represent?
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2answers
469 views

Questions Regarding Symbols in a Schematic

So I'm building the circuit below as an exercise: I have some questions on this schematic as I'm fairly new to reading schematics and electronics in general. I have every component in the diagram ...
1
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1answer
845 views

How to simulate finfet in ltspice?

I need to compare planar MOS transistor and FinFET for a project. But there is no inbuilt symbol for FinFET in LTspice IV. Can anyone help me with this?
0
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1answer
262 views

How can I show the variant of a device in a symbol in EAGLE?

I am creating a device with multiple variants in EAGLE. The associated symbol should show the variant as well, so that it will be directly visible on the schematic. I know how to add e.g. >VALUE or >...
6
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1answer
4k views

Can't find this electrical symbol

What is the name of this device?
1
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1answer
160 views

Confusion about connection/symbol to air-flow switch

I am interested in using an air-flow dependent switch. Luckily, they make those: http://www.spx.com/nl/assets/pdf/SPX_LS_and_FS_Series_en.pdf Unfortunately the pinout/internal circuit is not very ...
7
votes
2answers
690 views

Help identifying a potentiometer/resistor like symbol in the I/O stage of a microcontroller

I'm having difficulties identifying a schematic symbol. I spotted this while going through the STM32L series reference manual on page 172 located HERE. Here is the symbol in question, and the symbol ...
5
votes
2answers
529 views

What is this inductor symbol? Straight line with 90° and 45° intersection lines

In the picture below, what does the symbol labeled with "L11" stand for? The letter L and the 10uH suggest it is some kind of inductor, but the symbol seems rather non-standard to me.
1
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1answer
136 views

Unable to identify symbol in stop/start/retain relay

I've been doing some research on stop/start/retain relay circuits. Here is one circuit I found online: I'm having a hard time identifying the component(s) between L1, L2 and L3 and the motor. My ...
4
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2answers
888 views

MOSFET symbol with no arrow but circle instead?

In the linked application note, I have come across a symbol on page 5, of which a captured image is embedded below. I have never seen this symbol before, but based on context I am assuming that it ...
0
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2answers
1k views

What is this symbol? A circle with an arrow joining two connections and another arrow pointing to it

The symbol is a circle with an arrow joining the two connections and another arrow in right angle pointing to it. What is this symbol? I see this symbol in scheme of sensor ZK24-2 from Altpro.
1
vote
1answer
575 views

Prefered schematic symbol for voltage rail and bus labels

Working on a schematic meant for the documentation of a system I'm building (an airsoft prop as a strongpoint for the game). Since I am using this as a learning experience, I want to really do it as ...
1
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2answers
290 views

Identifying Schematic Symbol (mysterious diode looking thing to replace)

I am trying to replace a component on my Krohn-hite 1000A function generator that burnt up. The component is connected directly to the high-impedance output. I have found a schematic for Krohn-Hite ...
0
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2answers
162 views

What is this type of jack with contacts and light emitting diode called (from schematic symbol)?

I'm very very very new for electronics design. I have a basic electronics knowledge but I know there 's many things I don't know in electronics symbol universe. I searched for reference circuit of ...
0
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1answer
439 views

What is this schematic symbol (Capsule with two facing arrows)

I came across this symbol in an IEC standard and don't know exactly what it means. From the circuit is appears to be a generic load, but does it have any other significance?