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Installing and using LTspice IV (now including LTXVII). From beginner to advanced.
Installing and using LTspice IV (now including LTXVII). From beginner to advanced.
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Old 2nd January 2018, 11:49 AM   #941
FdW is offline FdW  Netherlands
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Installing and using LTspice IV (now including LTXVII). From beginner to advanced.
Actually the 2700fish should equal 2700FemptoIsh (some really small Ish'es )
Urban Dictionary: ish
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Old 2nd January 2018, 11:57 AM   #942
Mooly is offline Mooly  United Kingdom
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Installing and using LTspice IV (now including LTXVII). From beginner to advanced.
Lol, yes.

Is this fish dead, 'cos I think its eaten half my chips
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Old 6th January 2018, 06:54 PM   #943
kees52 is offline kees52  Netherlands
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I have a problem with ltspice so I ask you guys as the professionals why it did not work, connections problem, hoever with import model the same problem.

Thanks in avance.

kees
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File Type: jpg ScreenHunter_674 Jan. 06 20.54.jpg (17.6 KB, 84 views)
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File Type: zip OPA1612.zip (3.2 KB, 6 views)
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Old 6th January 2018, 07:49 PM   #944
djoffe is offline djoffe  United States
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Default issue was pin/net list number problems

I've enclosed the files where the symbol is corrected. Just replace your old .asy with this one.

it will say opa1612.txt, but just rename it to opa1612.asy and replace the old .asy file.
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File Type: txt OPA1612.txt (796 Bytes, 7 views)
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Last edited by djoffe; 6th January 2018 at 07:52 PM.
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Old 7th January 2018, 01:13 PM   #945
kees52 is offline kees52  Netherlands
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Hmmm thanks a lot, What did I wrong? because some of the two has more pins LTspice say.

thanks again for your help.

kees
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Old 7th January 2018, 01:33 PM   #946
kees52 is offline kees52  Netherlands
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Unfortunately it does not work, I get much offset and no amplifing of the signal.

In the model the numbers are different then in the symbol did try of adjust but no succes. just look at the lib file, it is a dual opamp original OPA1622 but I use it as a single one, maybe there is the problem.

regards

kees
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Old 7th January 2018, 02:06 PM   #947
djoffe is offline djoffe  United States
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Default Try this...

I've zipped it up, and included a test bench in which it looks ok. Unzip this all into a virgin directory, and then run the .asc file. See if that works for you.
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File Type: png SimDone.png (53.1 KB, 76 views)
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File Type: zip testopa1612.zip (41.6 KB, 9 views)
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Old 7th January 2018, 02:34 PM   #948
mr2racer is offline mr2racer  United States
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Hey All, I hope I'm on the correct thread this time? I'm using LT Spice XVII so that may be a problem for this thread? I've attached a screen capture from Spice. I managed to get the model into Spice but it is in the Auto Generated folder. I need to know how to attach the triode symbol to it and how to move it to the triode-w1.dd.
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File Type: jpg Model.jpg (178.8 KB, 75 views)
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Old 7th January 2018, 05:15 PM   #949
kees52 is offline kees52  Netherlands
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Quote:
Originally Posted by djoffe View Post
I've zipped it up, and included a test bench in which it looks ok. Unzip this all into a virgin directory, and then run the .asc file. See if that works for you.
Did not work, I get no output signal and uge offset.

the Lib file has very different ports, you did use 1,2,3,4,5 lib is 3, 2, 7, 3, 6

Do not understand it works for you.

Last picture you see ltspice do work normal with that class d.

regards
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File Type: jpg ScreenHunter_677 Jan. 07 19.12.jpg (226.7 KB, 66 views)
File Type: jpg ScreenHunter_676 Jan. 07 14.34.jpg (234.5 KB, 65 views)

Last edited by kees52; 7th January 2018 at 05:17 PM.
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Old 7th January 2018, 05:20 PM   #950
Mooly is offline Mooly  United Kingdom
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Installing and using LTspice IV (now including LTXVII). From beginner to advanced.
I had a play with this last night and got nowhere, and another try today and the same (in LTXVII).

Just tried djoffe's file and it ran straight off.

I have to admit I struggle with models... I should put more effort into this but you know what its like
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