Questions tagged [modeling]
This tag covers finding models for electrical and electronic components and circuits
283
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Error in modelling a photovoltaic panel using Plecs software. What could be wrong?
I have a work titled MPPT P and O algorithm with a buck-boost converter.
The software I am to use is Plecs.
First I wanted to design a photovoltaic model in Plecs. I tried to follow an example I got ...
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-6
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Antenna model by chatGPT AI - correct or not? [closed]
I asked chatGPT about a basic simplified model of an antenna according to my conception of it (pasted is the most relevant part of two separate answers).
It would look like this:
ChatGPT AI ...
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4
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Does the method of Similitude apply in electronics and electrical engineering?
In engineering, there is a theory called Similitude, which describes how models and testing conditions must be correctly scaled in order to behave correctly and represent the real thing.
The reason ...
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How to include dead times into the model of the three-phase voltage source inverter?
I have been developing a Scilab model of the three-phase voltage source inverter. I have started with the idealized model where I suppose that in each of the inverter leg one transistor can be turned ...
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Question about the Verilog-A implementation of a VCO
I am learning verilog-A to model analog circuits. One of the examples given in the book is that of a voltage-controlled oscillator (VCO).
The book says the following about how the VCO can be modelled (...
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MNA matrix of a vacuum tube
I've been working on a project involving a digital model of a vacuum tube. We're currently experimenting with a Wave Digital Filter approach.
Now I've been reading Kurt Wegner's fascinating work and I ...
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3
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1
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123
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What happens to reflections when the distance between a capacitors plates is electrically long?
I understand what happens when a transmission line is terminated with a capacitor but what about when the distance between the plates becomes electrically long?
For PCB mounted capacitors I know this ...
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How to model reverse recovery diode in LTSpice?
I wanted to update this subject as LTspice has evolved from this post: How does LTSpice model reverse recovery time?
To sum up the above post answered by Ste Kulov:
As Ste Kulov said, LTspice allows ...
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699
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What is the meaning of a negative capacitance? - Cadence Virtuoso
What is the meaning of a negative capacitance in cadence virtuoso?
Here in the following image, I just want to find the capacitance of transistors using "print-->DC operating point". Can ...
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210
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What is the meaning of "a" and "z" in capacitor value - Cadence Virtuoso
What is the meaning of "a" and "z" in capacitor value? Here is the image:
I think "a" is angstrom, But I am not sure about it.
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Definition of small-signal capacitances calculated by Sentaurus TCAD Mixed-Mode/AC Analysis
I'm currently working on a capacitance model which will be part of a greater compact model for a planar RFET.
I use Sentaurus TCAD to generate capacitance data, which I use to understand the ...
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Obtaining the State Space representation of a microgrid by combining the state space models of the subsystems
I am trying to obtain the state space model of the DC microgrid shown in the figure. It is made of three converters connected in parallel. Each one is modeled with a voltage source that outputs the ...
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How can I find critical field in tsmc65 transistor parameter?
How can I find critical field in tsmc65 transistor parameters? Critical field is the field which electron velocity in transistor go into the saturation region.
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Mapping geometric to electric parameters for a PMSM machine
I am looking at a PMSM machine described by the following equations:
$$\frac{di_d}{dt} = \frac{\omega_e L_q}{L_d}i_q - \frac{R_s}{L_d}i_d + \frac{u_d}{L_d}$$
$$\frac{di_q}{dt} = -\frac{\omega_e (...
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How to find (mobility*Cox) and Vth
How to find "mobility*Cox" and "threshold voltage" of NMOS in cadence virtuoso?
I have performed DC analysis in schematic environment and using NMOS model parameters, I tried to ...
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