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Electrical Engineering

Questions tagged [non-linear]

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143 questions
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4 votes
2 answers
339 views

I have recently started studying BJTs with an hands-on approach. I am trying to make a simple switch by working in the cut-off and saturation regions and, while the equations seem quite clear to me ...
Wandering's user avatar
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3 votes
4 answers
229 views

Summary. While investigating loudspeakers non-linearity, I found non-linear effects in the 0.1 Ohm resistors I used as current sensors. It turns out that self-made copper wire and metal film resistors ...
mzrull's user avatar
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0 votes
1 answer
125 views

The Schockley diode equation \$ I_{d} = I_{s}(e^{\frac{V_{d}}{nV_{t}}}-1) \$ describes the IV relationship of a diode for voltages above the reverse breakdown voltage, however it doesn't describe the ...
Root Groves's user avatar
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-2 votes
1 answer
117 views

I have been playing around to see if I could create a RC circuit which would never need recharging. A RC circuit (with the capacitor precharged and a RC constant of 1) has a response of \$Ke^{-t}\$. ...
Root Groves's user avatar
  • 498
1 vote
0 answers
77 views

I'm working on a project involving multiple non-linear electrical loads, and I want to estimate the total THDi (Total Harmonic Distortion of Current) and, if ...
ED11's user avatar
  • 11
2 votes
2 answers
297 views

I'm trying to make a spreadsheet that calculates lots of things about a common-emitter amplifier, in one point I try to make a convergence to know values without using a simulator. I had success with ...
Ruvian de Césaro's user avatar
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5 votes
6 answers
856 views

Consider the LM393 comparator: https://www.ti.com/product/LM393 As far as I understand the output is basically the collector of an NPN transistor, with the emitter tied to ground. Consider it with the ...
flawr's user avatar
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0 votes
0 answers
51 views

I’m a beginner in circuit simulation and I’m trying to simulate a FitzHugh-Nagumo circuit that incorporates a piezoelectric bimembrane as a nonlinear resistor in LTspice or Proteus. My goal is to ...
A Malik's user avatar
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2 votes
5 answers
252 views

My knowledge is at an undergraduate level, I would appreciate it if your reply were mindful of that. It seems like even at prestigious universities, like MIT, Caltech, semiconductor device behaviour ...
user avatar
1 vote
0 answers
60 views

So I'm trying to model a four wheeled robot that is controlled by the difference in speeds between both sides of the wheels. I have 3 state variables: Sway velocity, yaw rate and yaw angle ...
user1893063's user avatar
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1 vote
0 answers
44 views

I know I have to transform all the source into 1 equal source, but cannot figure out how to. Superposition clearly did not work with a non linear circuit. All the stats is in the picture. Here is what ...
Begginer7979's user avatar
  • 11
-1 votes
1 answer
73 views

I was trying to implement a nonlinear controller based on nested saturation technique for a quadrotor UAV as part of an college assignment. The controller design is given in detail in this paper ...
Ashmit Ranjan's user avatar
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0 votes
2 answers
213 views

I am controlling the AD8400(1 kohm) digipot with Arduino Uno R3 using SPI interface. My connections are as follows: simulate this circuit – Schematic created using CircuitLab Digipot <-> ...
Avantika Narvekar's user avatar
  • 11
2 votes
1 answer
111 views

If two identical electrolytic capacitors are connected in reverse series, then at sufficiently low voltage, they should effectively behave as two simple capacitors, which leads to a reduction in ...
Imyaf's user avatar
  • 175
3 votes
2 answers
232 views

I'm trying to understand how to interpret 3rd Order Intercept (OIP3) specifications, and whether or not I can use them to extrapolate performances characteristics, other than just as a measure of ...
Frank's user avatar
  • 325

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