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Old 7th March 2002, 03:55 PM   #11
mrfeedback is offline mrfeedback  Australia
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Hiya HarryHaller, thanks for info.

Can you tell us the limitations and benefits of these download versions?
Thanks, Eric.
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Old 7th March 2002, 04:11 PM   #12
dice45 is offline dice45  Germany
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When I was in the audio biz I had a Biology major and former landscaper distributing my audio products and an EE major who designs audio doing my landscaping. Too strange to make this one up. The world is a disorganized place.

This world is a prison planet and all the hard-to-educate minds from other worlds are sent to here .... to see whether they can get along with each other ... or for sheer entertainment ... like Christians and lions ....

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Old 7th March 2002, 06:03 PM   #13
HarryHaller is offline HarryHaller  United States
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Location: Dallas,Texas
Default Spice is Nice


No! What am I, your mother!? Do some work. I have hand held you lazy people long enough...... I like intusoft cause I had it at work and they have a $500 version with models a go go. I think the demo Microcap does the largest circuits for free ware. Pspice is the industry standard and has lots of models at semi vendors website. Now you are confused as I am, Happy?


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Old 7th March 2002, 06:31 PM   #14
sonnya is offline sonnya  Denmark
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Originally posted by rtirion

Please try to be patient with all us simple folks.

A reply along the lines "seen that, done that etc." is no benefit to any of us.

Maybe you could answer, my previous question:
Is there a model maker util with any of these programs.

btw I've been using Pspice, Simetrix, Microcap for over 5 years with mixed results.

If you like to start a thread on actual circuit modelling, feel free.
I have been looking around a bit some weeks ago.


They have two manuals. A tutorial and a user manuel wich i think descripes (p or b?) the models a good way.

Take a look at them.

for a spice simulator :

Switchercad do not have a limitation the same way as the free demos.

Good things :
a resistor is not a resistor, but a model with inductance drift and so on. The same apply to the Caps and Coils. It is made for SMPS simulation.
2) Fast.

Bad things :

1)No markers.
2)default modes sucks.. Need to be setup each time you start (i have not been able to store my settings).
3)FFT need to be done the right way to get a good resolution.

Now on to :
I was just being my lovable self.... Actually I am delighted to help get the "Spice Guys" band together. I vote we make sonnya the lead singer!

It could be nice with some kind of forum on this... But me as a "lead singer"... NO WAY .. Many of you are a lot better than me...

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Old 7th March 2002, 07:36 PM   #15
HarryHaller is offline HarryHaller  United States
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Unhappy Spice is nice and I'm not

Sonnya, have you seen a movie where the Boss, Major, or Warden says to a line of guys, "We need a volunteer to step forward"? All the guys in line step backwards except for one poor guy that wasn't bothering anybody but wasn't paying attention. I am not that guy. I was the first one to jump back! I like to help with specific questions by motivated people that have made some effort. This site has a search engine! I have given two search engines URLs. The questions that keep coming up have been answered several times on this forum already. I have posted links to Spice sites several times. DIY stands for do it yourself audio. I know a very talented guy who could really contribute but calls this forum " Get someone to do it for you Audio.Com and won't contribute because of the laziness of many of the posters. There is some great stuff on here that I have found nowhere else. Nelson Pass should be given an award for all he has done. I would like to keep it at that level and not handhold the lazy. For the guilty out there: (absolutely not sonnya who is a prince) I say, I will try to be nicer if you will try to be smarter! I will sit back and let the fur fly now.......

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Old 7th March 2002, 09:07 PM   #16
sonnya is offline sonnya  Denmark
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I can imagine what it looks like...uuhhmhmm what happens??... You my son has just got a ticket to the kitchen... We are proud of you my son ... yeahh,yeahh (From the background with female voice)

"DIY stands for do it yourself audio." ...ohh i did'nt know!?!?!?

Back to your "Temper".. Believe me i have the same problem....

For the thing about laziness... in the forum called www.avrfreaks.com .. For the people who only wan't to receive it is a hard site to be on.
No one likes to continue give but never get a gift.

Maybe a subject to discuss!? sadly..

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Old 28th June 2002, 02:28 PM   #17
Circlotron is offline Circlotron  Australia
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Default Pspice Student any good?

I recently downloaded the free Pspice Student V 9.1 and I have only used it as a scribble pad for drawing a few simple schematics. Is it any good for doing the sort of simulations people talk about here? I know zilch about this aspect of electronics.

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Old 28th June 2002, 03:52 PM   #18
ALW is offline ALW  United Kingdom
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Default My Favourite

Simetrix Intro, from www.newburytech.co.uk.

No nags, almost all the functionality you'd want, and very generous circuit limits for analogue, not so generous for digital, but hey that stuff's easy isn't it

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Old 28th June 2002, 04:50 PM   #19
MRehorst is offline MRehorst
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Default Special feature in SwCADIII

SwCAD III has a special feature that makes it particularly interesting for audio- it can read/write voltages and currents out/in to .wav files.

For those who don't grasp the implications of that, it means you can generate audio signals like tones, sweeps, warbles, noise and anything else you might want to try. You can also apply audio signals to circuits in the simulator and output the simulation result to a .wav file.

For those who still don't get it, .wav files are the standard computer format for CD audio files. You can save signals in 16 bit, 44.1ksps stereo format and burn the test tones, warbles, sweeps, noise, etc. to CDRs and play them back in any CD player.

I have attached a schematic file from SwCADIII that is a simple demo of .wav output. Change the extension on the file name from .txt to .asc then run it in SwCADIII. Listen to the output file...

Attached Files
File Type: txt draft1.txt (2.6 KB, 36 views)
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Old 28th June 2002, 05:08 PM   #20
Bas Horneman is offline Bas Horneman  Netherlands
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Hi Harry Haller...

Right on the button.. sites like this and AA are just here to keep us dumb..I'm trying to wean myself of these boards but I can't let go...
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