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req help:what is the most suitable simulation tool?

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chuan556

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emi stream

i wish to simulate the simple circuit like in the attachment,but i dont know which software is suitable whether i should use hfss, speed2000, ansoft 2d/3d...
(purple is reference plane and white is signal plane)
please provide the pro/con of the software or show me where should i refer to and advise me.
By the way where can i get a tutorial that teach us how to using the software?
thanks.
 

if your circuit is electrically .. i think that Orcad SPICE is the most suitlable electrical simulation tool ...
 

is the spice suit for circuit or just a single component?
 

Spice is suitable for circuits, analog circuits. There is two, imho, very good tools :
Cadence PSPICE and Synopsys HSPICE.
If you want to simulate digital circuits, use Modelsim from Mentor
And for Signal Integrity on PCB with digital circuits , use Hyperlynx from Mentor
 

what tool should i use to simulate a component?like capacitor,i wish to know the charge stored in it,how?
 

chuan556 said:
what tool should i use to simulate a component?like capacitor,i wish to know the charge stored in it,how?
Click to expand...

My advice would be to get a copy of Electronics Workbench / Multisim.

**broken link removed**

You draw your circuit up, connect a multimeter or oscilloscope to the circuit, and turn it on.

- Nobody
 

Spice and electrnics workbench will not simulate the trasnsmission line effects. You can't put in length of track, dielectric constant of pcb etc.

To simulate that in spice you would have to manually make a model including inductance of the track, capacitance to ground etc.

At low frequencys you can ignore such effects.
At high freqencys you need an simulator made for RF use.
 

If you want to work in mathmatical level,you can use MATLAB/Simulink.
 

i wish to have a simulation tool that take into account the effect of transmission line also so any further suggestion?

and what the use of ultiboard from electronics workbench?
 

is there any thing named "ultiboard"?
what i know, is what i do :
Simulink : control circuits, mathematical resolution, signal processing and transmission...
SPICE: for little circuits using transistors and semiconductors (it is much mors powerful, but i don't have a better license)
PROTEUS: for the circuits including microcontrollers (but it have a bad ergonomy!!)
i hope, that helps.
 

what is the better software for electrical circuit with different layer?
 

It seems you are looking to simulate the traces,
holes,etc effects in the circuit. There is not point
to simulate this simple circuit in SPICE, workbecnh,etc
Two of the most used for this kind of problem are
HFSS or CST. There are others as well. Very expensive
if you are looking for a free software there are any to
my knowledge.
 

Hello, We have Mentor ICX for Single Line Integrity analysis. Also if you have any EMI issues, we have EMI Stream for EMI Check & Resonace analysis at the PCB design stage.

Thank you,

Henry Uechi
PWB America, Inc.
Anaheim, California
 

henryue said:
Hello, We have Mentor ICX for Single Line Integrity analysis. Also if you have any EMI issues, we have EMI Stream for EMI Check & Resonace analysis at the PCB design stage.

Thank you,

Henry Uechi
PWB America, Inc.
Anaheim, California
Click to expand...


sir may i know whether your software can used to calculte the z with taking consideration the trace,dielectric,layer,hole?
 

This is a transmission line problem as jallem pointed out. I recommend Ansoft Maxwell 2D.
 

antonio_iea said:
This is a transmission line problem as jallem pointed out. I recommend Ansoft Maxwell 2D.
Click to expand...

this is not only trace problem but also changing reference plane,so is the ansoft still can be used?
 

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