Questions tagged [diagram]
Plan, sketch, drawing, graph or outline designed to demonstrate or explain how something works.
0
votes
1answer
86 views
unknown circuit symbol rectangle with arrow
I've never seen this symbol before but my wiring diagram is full of it. I also have searched for lists of symbols but it isn't among them. Does anybody know what is is? It is from my wiring diagram of ...
-1
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0answers
7 views
OCL invariants question [closed]
I'm new to OCL and currently trying to figure out how to do invariants.
I attached a picture with the diagramm I'm working on.
The invariants that I'm trying to resolve are :
a) A player has 0 or 2 ...
2
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2answers
71 views
What is the best/safest way to wire a 200V fan in the USA, using 120v or 240v? [closed]
I bought a surplus fan/HEPA filter unit for using in a clean room. The wiring diagram is here.
I want to connect it to a power cord and plug it into the wall. I know basic electric, but I'm not sure ...
0
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1answer
47 views
Why are latches level triggered and flip flops edge triggered?
I know what it means to be edge or level triggered but considering the block diagram or logic diagram of inside of latches and flip flops I cannot see what inside them specifies this property of each, ...
0
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1answer
38 views
How do you reduce this simple system diagram for the sake of doing algebraic manipulation?
My guess is that since H(s) is parallel with 1(s) we'd do A(H - 1)? But this is my first ...
0
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1answer
82 views
A beginner that could use a few tips on wiring my first circuit involving relays
I am in no way experienced or knowledgeable with circuits or electronics passed installing my own car subwoofers and amps, or swapping out pickups on a guitar which means I only basically know how to ...
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0answers
23 views
Single line electrical wiring diagram to be in arc or perpendicular line shapes
For the single line electircal wiring layout of a residential building or any, which is the best standard used to represent. Like from a switch to a light, do we represent them with arcs or straight ...
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0answers
25 views
Testing a PWM Switching Regulator with a DMM (STR-W6253)
I am interested in testing the PWM Switching regulator with a digital multimeter. The circuit that I want to test is a part of an LCD TV that got hit by lighting and stopped working, and I have ...
1
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1answer
125 views
Zero crossing detection circuit correct?
I am working on a DIY AC dimmer circuit with arduino.
This project is part of the AC dimmer circuit as mentioned here
Since, I was stuck in so thought of retracing my steps and checking each part of ...
0
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2answers
39 views
Difference between low signal and no signal for a SR latch?
I am struggling to understand how the SR latch works.
When an input has designation 0, this means "low signal" correct? Is this completely different than "no signal"? Doesn't a logic gate need some ...
1
vote
0answers
45 views
What is the meaning of the first gain in the block diagram?
I have do design a circuit based on the block diagram below. I know how to design the PID part but I don't understand what the K=2 is. For the PID I have made the following:
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0answers
59 views
Logic-based light system
I need to develop a system that turns on the red light when all three switches are off, and turns on the orange light when any two out of three switches are off. The red light part is already sorted ...
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0answers
73 views
What does arrow to battery mean?
In the following circuit, the wire connecting Ground to \$ V_{GG}\$ has a arrow pointing at the positive terminal. I have never seen this before. What does it mean?
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0answers
33 views
Band bending diagrams, bending with respect to the fermi level?
In band energy diagrams of a PN junction the fermi energy level is drawn as a constant straight line. However the fermi energy is different in differently doped materials. Does this mean in the band ...
1
vote
1answer
91 views
Calculate radiation power of an antenna in respect to a given antenna radiation pattern and a given angle
I work on a program that simulates the wave propagation of high frequency electromagnetic waves (2.4 or 5 GHz Bands) in 3D. I use a ray launching approach, where the emitted rays approximate the ...
2
votes
1answer
118 views
Understanding how current is 0A in secondary circuit of this potentiometer - misprint, or am I dumb?
I'm learning some basic electronics, and I'm using an old textbook (Basic Electronics for Scientists, Brophy, 1966) to wrap my head around some fundamentals.
At the moment, I'm looking at ...
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0answers
895 views
Wiring Diagram Software for Open Source Projects
So, obviously, there are plenty of CAD software options out there for hobbyists and open source hardware folks to do PCB schematic capture and layout.
However, I'm having a really hard time figuring ...
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3answers
153 views
Is it possible to request a mapped diagram of electricity usage from your provider? [closed]
Whenever I see our electric bill, it just shows the amount owed, and the amount used (in kWh).
However, it would be really nice if we could request or pay a premium per month, for a service that ...
7
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3answers
455 views
Block diagrams can be different and still works for the same system?
I am an telecommunications engineer who is working now as a programmer. At university we took a class on digital filters, Laplace transformation and working in the frequency and time domain. At the ...
1
vote
1answer
89 views
Transfer function of a System Diagram
I would like to have some help on this system:
I have to consider that all initial conditions at t = 0 are null. I've tried some things and I have some answers but I don't know if they are true. ...
3
votes
2answers
168 views
How does the diagram really work? [closed]
Good afternoon, I am a high school student and in my scientific fair project, I would like to do an experiment about wireless energy.
I want to implement the resonant inductive coupling.
According ...
0
votes
1answer
51 views
Confusion with interpreting a functional safety diagram of a motor driver
I have a problem with interpreting the functional safety diagram of a servo motor driver. It has a long manual here but I will present the parts I'm stuck at. The minimum basic requirement for safety ...
2
votes
1answer
76 views
What does this logic/circuit symbol mean [duplicate]
While browsing through the datasheet of an ATMega324p description of a pin I noticed this symbol which looks like four diodes/triangles pointing at each other.
So my question is what is it actually?
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2answers
45 views
Standard for document in diagrams the power of motor
One machine supplier shipped us a motor with a power in its plate so different (800 kW) to the one indicated in the electrical diagrams (500 kW). We calculate the wires using the diagrams information ...
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0answers
103 views
Help with timing diagram
I have to complete this timing diagram but i couldn't figure out how to as there are 3 flip flops connected to each other it made me confused.
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2answers
115 views
what size/kind of capacitor is needed 12VDC automotive
I want to have a light bulb as a daytime running light that is located next to the turn signal (blinker). Since that daylight running light is kind of bright (having a clear lens) I want it to turn ...
0
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0answers
130 views
Phasor diagram problem
I am trying to solve this problem. I tried to use phasor diagram but I did not go far with it. Can anyone help me?
In the figure below a generator with a voltage of 120 volts, RMS, is feeding a load ...
0
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1answer
49 views
First or last value checker component/funtion [closed]
I am trying to make a circuit that can store the first and last value from a series of values. To do this I'm guessing I need a component to determine if it's the first or last value and this is what ...
3
votes
3answers
100 views
Finding the average and RMS value of this signal
How can I find the RMS and the average voltage of the following diagram?:
My work:
The RMS:
$$\sqrt{\left(\sqrt{\frac{1}{3\times10^{-3}}\int_0^{3\times10^{-3}}\left(\frac{5000}{3}\cdot t\right)^2\...
2
votes
2answers
128 views
How to Redraw or Interpret This
I am really stumped at this:
I've been mulling this over my head for literal hours. I am pretty sure there should be 4 currents, because there are at least nodes with 3 parallel resistors. I just ...
1
vote
2answers
132 views
Iterative simulation of RC low pass filter, strange correction required
To get further understanding in how iterative simulators work, like circuitJS for an example, I decided to make my own of a simple RC low pass filter.
The voltage I am interested in is the one across ...
0
votes
2answers
71 views
Ideal Voltage/Current Source Circuit Analysis
I am trying to understand what it going on in this circuit diagram and how to go about solving this problem. I am told to find Vx given that the current in the central wire is zero. Does this mean ...
0
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0answers
20 views
Implement sync sequencial system from ASM
I have the following state diagram and need to implement it using 3 D flip flops.Is there a certain way to solve this type of problems? Frok what I see it has 2 states z1 and z2 and 2 inputs,5 ...
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2answers
3k views
How many flip-flops are required for the implementation of this Mealy diagram?
I'm trying to create a circuit diagram that corresponds to the Mealy diagram I created for the following problem, but I'm not sure how many flip-flops I should use.
Problem:
A data stream receives ...
2
votes
1answer
85 views
How to interpret diode diagrams
I was reading about the types of diodes, including those that can be used to generate microwaves, and I found myself confused about the material I found on it. This link discusses the differences ...
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0answers
26 views
CMOS logic circuit design state diagram [duplicate]
there is an alarm,which has three input(Wrong_pin,Correct_pin,Clock). This is the timing diagram of alarm trigger. . How can I start to draw state diagram using this timing diagram? Thank you.
Edit: ...
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2answers
2k views
SR latch timing diagram or waveform with delay, help!
I'm having trouble solving these two problems (my solution and general solution showed):
What I did was follow the truth table and based on the combination on the graph draw the appropriate state ...
1
vote
2answers
160 views
Parallel resistors, why? (Basic electronics)
I'm curious as to why R1+R3 is parallel to R4 and not R2? could someone please explain this to me.
What rules are R2 violating that makes it non-parallel (and what makes R4 parallel)?
Thanks.
What i ...
3
votes
1answer
1k views
How are terminal blocks depicted in a wiring diagram?
I have started to document the electrical system in a custom machine that we own. I'm using TinyCad for the schematic and that's working OK. I also want to create wiring diagrams to represent the ...
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2answers
212 views
What do scissors mean in a diagram?
I'm trying to wire an immobilizer bypass for a vehicle remote start, but I have never seen scissors in a diagram before. Anyone know what this means?
1
vote
1answer
142 views
Don't Understand the Notation on this State Diagram
This like a simple question, but I can't find a clear answer anywhere. Basically, I am used to seeing and implementing state diagrams that look like this:
Where the output and input are in this ...
2
votes
1answer
201 views
Why measure potential with a three winding transformer?
I have a single line diagram where it's shown that the voltage is measured with a three-winding transformer on the busbar (22kV), and two-winding transformers on the feeders.
I've seen this on many ...
0
votes
1answer
49 views
Form differential equation pair from discrete time system block diagram
I have a discrete time system block diagram.
And my question is what is the output y(k)
I managed to get what is V(k)
$$V(k)=\frac{1}{2}*V(k-1) +U(k) $$
But now i can't form y(k) because ...
1
vote
1answer
131 views
What is the red-outlined white square that contains a red dot in this diagram?
I'm new to circuit design and reading schematics but have a little familiarity there. On this diagram which shows a circuit built on a strip board, I don't quite understand the meaning of the red-...
5
votes
1answer
427 views
What do decimal/alphanumeric suffixes after a slash mean in a schematic cross-reference?
I'm looking at a circuit diagram for the ChipWhisperer, which is a tool for power analysis and glitch attacks. You can grab the full circuit schematic as a PDF, but here's an excerpt:
What do those ...
0
votes
2answers
262 views
Threshold voltage data analysis
I want to determine the threshold voltage of a diode from the graph of iv characteristic diode.
From the point of view of the data analysis I do not know how to do to find a specific value.
I have ...
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votes
1answer
190 views
Variable white LED strip hookup
I plan on assembling 8+ rolls(16.4ft per) of variable white LED strip which has 3 connections. +, CW, WW.
I need to control these 8 rolls with one remote.
Here’s the schematic I have:
PSU to ...
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votes
1answer
4k views
How to draw stick diagram of a function
I am a student of computer science and engineering. We have VLSI design in current semester. Now i am having trouble drawing stick diagram for a given equation. What is the step by step procedure for ...
0
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2answers
1k 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 ...
3
votes
1answer
230 views
Block Diagram Simplification and Routh-Hurwitz
I'm trying to solve an exercise of block diagrams and Routh-Hurwitz, but I stuck in the simplification part. Could you help me?
Reduce to an equivalent single block:
For what values of K the system ...
