All Questions
Tagged with modeling simulation
28
questions
1
vote
0
answers
27
views
Battery Pack discharge behaviour
i want to simulate the discharging behaviour of several battery packs/modules connected in series to simulate a discharge machine for a recycling facility. I wanted to simulate possible current/...
2
votes
0
answers
51
views
How to learn about memristors as a circuit designer? [closed]
I'm trying to learn about memristors to play with it in circuit design. I think it might be more intuitive to do tests and measurements rather than reading maths formulas. The problem is that I don't ...
- 625
1
vote
4
answers
133
views
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 ...
- 409
2
votes
1
answer
1k
views
Digital Potentiometer LTSpice Model
I'm looking to simulate a circuit in LTSpice which uses a U/D-style digital potentiometer like the Analog Devices AD5220. Is there an existing component model with this type of functionality?
If not, ...
2
votes
1
answer
130
views
Modeling a NAND flash cell (a MOSFET with a floating gate)
After checking the ADS component palette, I found there are some MOSFET models available but there are no NAND flash cell models.
How do I create one?
A NAND flash cell can hold different states (...
- 347
-1
votes
1
answer
203
views
Find the differential equation of a control system via its block diagram
I have this block diagram:
I need to find the differential equation that represents the behavior of the control system, but I don't know what to do with the inner and outer feedback. I tried to ...
0
votes
0
answers
63
views
What would be the best small signal model to the following LF RFID circuit?
I'm trying to analyse a LF RFID circuit's antenna of a TMS3705 base station using simulation. I want to estimate the frequency response and the Q factor. The intention is to do it for two different ...
- 917
0
votes
1
answer
891
views
Correct block diagram of differential equation
I am studying modeling and simulation. I have to draw a block diagram (so that it gets simulated in Simulink) of the following differential equation
$$ \frac{d^2 y}{dt^2}=-a_1\frac{d y}{dt}-a_2y+a_2u$$...
- 1,431
5
votes
1
answer
362
views
How to transform the state space model of the induction motor?
First of all I would like to apologize if I have chosen wrong forum. My question is related to the electrical engineering but basically it is a mathematical problem.
I have the state space model of ...
- 1,113
0
votes
0
answers
49
views
How to add transistor model to LTspice? [duplicate]
So, I'm an absolute beginner at LTSpice(I just started today).
I want to know how to add the model of transistor(say model ZTX300 or BC108) to my schematic.
I can't find the model in the standard.bjt ...
- 1
0
votes
1
answer
2k
views
Simulating an Electric Car Battery in LTSpice
I am sorry if this is a general question:
Does anyone know who to simulate an Electric Vehicle Battery (EVB) in LTSpice (or other free downloadable software)? Are there models I can download online? ...
- 217
2
votes
1
answer
54
views
How to fix ngspice simulation of Cree XLAMP CXB1507
I'm trying to simulate the 36V Cree XLAMP CXB1507 (spice model) using kicad+ngspice.
When I try simulate it gives the following error:
.model cxb1507 36v d is=6.15257e-19 n=32.22321 rs=9.82504 xti=...
0
votes
1
answer
103
views
Information on LTSpice switching regulator macromodels?
I have read this Design Note 12 from Linear Technologies titled “An Op Amp SPICE Macromodel”. I was wondering if there is similar technical information about the macromodels of switching regulators (...
- 1,309
1
vote
2
answers
2k
views
Count the clock cycle using LTSpice
I had been using these modeling technique for counting number of clock cycles.
Delay is created and inverted - to get small positive edge of the clock and count numbers is charged based on the number ...
- 305
1
vote
1
answer
165
views
Diode N value less than 1 for temperature sweep
I have seen many manufactures using diodes N<1 for their PSpice model and LTSpice model diodes so I tried to run temperature sweep in LTSpice and PSpice
In LTSpice if N<1 DC sweep eg:1m with ....
- 305