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Electronics Forum / Basics / January 2007



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softwares: electronic circuits

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lee - 28 Jan 2007 13:25 GMT
Guys what r the good softwares that analyses circuits and which has
got a good library of components....
John Fields - 28 Jan 2007 15:22 GMT
>Guys what r the good softwares that analyses circuits and which has
>got a good library of components....

---
simlaterz.

Signature

JF

kareem.nehro@gmail.com - 28 Jan 2007 16:08 GMT
> >Guys what r the good softwares that analyses circuits and which has
> >got a good library of components....---
> simlaterz.
>
> --
> JF
maxfoo - 28 Jan 2007 16:45 GMT
>>Guys what r the good softwares that analyses circuits and which has
>>got a good library of components....
>
>---
>simlaterz.

simlaterz are too slow...What you really want is a double shot simu-Latte
Chris - 28 Jan 2007 16:50 GMT
> Guys what r the good softwares that analyses circuits and which has
> got a good library of components....

SwitcherCAD/LTspice -- free.

http://www.linear.com/designtools/softwareRegistration.jsp

Cheerz
Chris
Chris - 28 Jan 2007 16:51 GMT
> Guys what r the good softwares that analyses circuits and which has
> got a good library of components....

SwitcherCAD/LTspice -- free.

http://www.linear.com/designtools/softwareRegistration.jsp

Cheerz
Chris
Sambo - 28 Jan 2007 17:59 GMT
>>Guys what r the good softwares that analyses circuits and which has
>>got a good library of components....
[quoted text clipped - 5 lines]
> Cheerz
> Chris

lol tried it twice got disgusted both times. It lacks basic components
( LM7805, 1n400x ) and when I specified 12V voltage source (or was it current )
I ended up with 5 volt AC all over my basic bridge/cap/precis5Vreg/loadres circuit.
redbelly - 28 Jan 2007 23:16 GMT
> >>Guys what r the good softwares that analyses circuits and which has
> >>got a good library of components....
[quoted text clipped - 7 lines]
> ( LM7805, 1n400x ) and when I specified 12V voltage source (or was it current )
> I ended up with 5 volt AC all over my basic bridge/cap/precis5Vreg/loadres circuit.

SwitcherCAD/LTspice has my vote.  And it CAN do LM7805 and 1n400x.  
You do need to learn how to add these and other components.

What is your recommendation of simulation software to get (as opposed
to what NOT to get)?

Mark
Chris - 29 Jan 2007 03:28 GMT
> >>Guys what r the good softwares that analyses circuits and which has
> >>got a good library of components....
[quoted text clipped - 7 lines]
> ( LM7805, 1n400x ) and when I specified 12V voltage source (or was it current )
> I ended up with 5 volt AC all over my basic bridge/cap/precis5Vreg/loadres circuit.

If the OP (or anyone else) finds the free SwitcherCAD package
unhelpful or too difficult, they could try Electronics Workbench --
it's easier to use.  The academic Electronics Workbench/MultiSIM 9
Lite is available for less than $35 USD.  It's included with a few
basic electronics textbooks, too.

Cheerz
Chris
Sambo - 29 Jan 2007 17:09 GMT
>>>>Guys what r the good softwares that analyses circuits and which has
>>>>got a good library of components....
[quoted text clipped - 17 lines]
> Cheerz
> Chris

Well mabad.
It has component rotate and mirror (however clumsy) and after correcting some circuit errors.....
I know there are spice models out there but the prospect of finding models for this
particular package ....  and these are pretty basic.

Cheers
redbelly - 30 Jan 2007 14:36 GMT
> >>>>Guys what r the good softwares that analyses circuits and which has
> >>>>got a good library of components....
[quoted text clipped - 22 lines]
>
> Cheers

For the 7805, if you join the Yahoo group "LTSpice" here ...
http://tech.groups.yahoo.com/group/LTspice/
... then you can download one of the 7805 models here:
http://tech.groups.yahoo.com/group/LTspice/files/%20Lib/Linear
%20Regulators/

Models for 1n400x can be found here:
http://www.diodes.com/products/spicemodels/index.php

For example, the 1n4001 model is:
*SRC=1N4001;DI_1N4001;Diodes;Si;  50.0V  1.00A  3.00us   Diodes, Inc.
diode
.MODEL DI_1N4001 D  ( IS=76.9p RS=42.0m BV=50.0 IBV=5.00u
+ CJO=39.8p  M=0.333 N=1.45 TT=4.32u )

Hope this helps,

Mark
redbelly - 30 Jan 2007 14:38 GMT
> It has component rotate and mirror (however clumsy)

I agree, they could have made those work more smoothly.

Mark
 
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