Questions tagged [pcb-simulation]
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9 questions
3
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2
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KiCad Simulation: Automatically changing (stepping) the input voltage during the simulation?
I am using a VDC spice simulation power source, and the power is set to dc(24) (24 volts).
I want to change this so that I have a list of voltages and timesteps ...
- 553
1
vote
2
answers
152
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Help with format of Altium Spice model
I am attempting to create a model of a load for use in an Altium Spice model. But I am unable to get it to work. What I have done is accurately measure current consumption of my device. My concept was ...
- 139
1
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0
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448
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Searching the Spice model of the Liteon optocoupler LTV-817-A
I start learning simulation with "Altium Designer". Unfortunately, i did not find the spice model for the Liteon optocoupler "LTV-817-A".
Do you know where i can find it or a very ...
- 129
0
votes
0
answers
69
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EMI performances observed better for stripline routing with pth rather than stripline with blind via
The circuit is: A fast switching driver (Lvth buffer) is transmitting a signal to Leon processor receiver and it also has a series termination.
Stackup: top(L1), gnd, sig1(inner lyr3), 2.5V plane, ...
8
votes
3
answers
3k
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How are RF filters constructed?
I want to know what filter circuits look like in the RF (MHz-GHz) frequency range. Are they just like low frequency LC filters, but with appropriately adjusted component values?
For example the VLF-80+...
- 191
1
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0
answers
48
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Near-end scan different frequency magnetic field propagations in ideal DC source
I installed a simple PCB on Ansys siwave. I defined the power lines. And I defined an ideal voltage source that gives only 18 V on the pins. I set the near fields analysis as you can see.
...
- 824
0
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1
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71
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Some of my LEDs managed to light up but the others just won't work no matter what I do, what could be the reason for this?
This is a picture of my schematic and I want to ask what could be the reason why the ones below won't light up
1: https://i.sstatic.net/REuys.png
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1
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0
answers
71
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How to properly handle mixed RF/digital design in HFSS 3Dlayout
I have a big design imported from Altium into HFSS 3DLayout with several RFIC that I want to simulate. RF and Digital (SPI) nets are included in this design.
I'm interested mainly in the RF side of ...
- 121
0
votes
2
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90
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Simulation tools for FCC SDoC testing
For as expensive as FCC-conformity lab testing costs, I am curious if there are any simulation tools that could help in producing an approximation of what a lab test would find, given a PCB design. ...
- 755