Questions tagged [linear]
The linear tag has no usage guidance.
273
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Changing the Limits of the Graph When Trying to Model the Shockley Equation in MatLab Shifts the Position of the Curve [closed]
I have been trying to create a piecewise linear model of a diode through curve fitting. While trying to implement the code below, I ran into a strange bug that is causing my output curve to shift to ...
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How to analyze and simplify a voltage divider with a second voltage source?
How do I simplify the circuit below?
simulate this circuit – Schematic created using CircuitLab
I know that R2 and R3 form a voltage divider, but I can't figure out the input impedance that In ...
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How to predict the efficiency of a very low speed Railgun Actuator/Lorentz Force Actuator?
Well, I read somewhere that the slower the railgun is, the higher its efficiency, so I started trying to find out what would be the efficiency of a railgun actuator to move a heavy object (3000kg) at ...
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How do I relate input and output signals and find the output for other input signals in LTI system?
I am studying about signals and systems. I came across a few practice problems. For the below question, I was able to mimic the input and output waves shown in ...
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How to convert the winding of a radial electric motor to a linear tubular electric motor?
There are winding scheme/calculators and tutorials online for conventional electric motors, but I can't find any clear method of wind linear tubular electric motors.
For example, this is the winding ...
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Find R, L and C in RLC series circuit given voltage over capacitor and current through inductor
I have a couple of exercises in my textbook (Fundamentals of Electric Circuits 6th edition) that look like the following:
To solve this problem, my first idea was to transform it into the laplace ...
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142
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Superpostion problem, why are resistors shortcircuited?
We are asked to compute the voltage between points \$A\$ and \$B\$ in the following circuit directly i.e. without using Thevenin's or Norton's Theorem:
The teacher's solution is divided into three ...
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Equivalence in circuits
I'm studying circuit theory, with only linear elements and no capacitors or inductors or mutual inductances, so no differential equations. All the sources (current and voltages) are constant.
To be ...
- 115
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Resistor parallel to diode
How can a circuit where a diode is put in parallel to a resistor be described mathematically? Yes a solution would be to linearize the diode function in a specific point but in my case I need a ...
- 149
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0-12V square wave to linear 12V
Can anyone help me with the design of circuit?
I need to use a zero to 12V square wave input and output a linear or straight 12V to carry 2 amperes.
I think a collection of capacitors and an inductor ...
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Repurpose adjustable standing desk linear actuator for a project on my truck [closed]
Disclaimer: fairly limited experience with electrical engineering.
I'm currently making a deck for my snowmobile that will sit in my truck bed -
a 'Sled deck'. Nice sled decks have telescopic sides so ...
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3
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139
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Active low pass filter is there any virtual ground point? If yes how can I derive?
I'm learning this MFB active LPF.
My questions regarding this as follows:
How to derive transfer function for this configuration?
Is there concept of virtual ground exist? If yes can you explain ...
- 193
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37
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Power method for approximation of eigenvector representing steady state
I've been testing a method of circuit simulation where I assign an initial voltage to each node, set the current across each wire according to Ohm's law, and then adjust the voltage of each node ...
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2
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118
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Trying to fix a linear power supply of an old video door phone system
I'm a novice electronics engineer and I am currently trying to fix an old linear power supply of a video door phone system.
This power supply works as intended with some of its features (12 VDC and 12 ...
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ODE of LTI system
Given an LTI system and for an input \$x(t) = a\cdot tu(t)\$ while \$u(t)\$ is Heaviside function you know that the output is \$y(t) = (t^4+t^3)u(t)\$.
If not given that the system has ODE, how can I ...
