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Hello John W. I have uploaded the complete Robertugo/SwitchAna files from my personal archive. It appears to contain all that is needed for the 4051, 52 and 53 parts. I hope this helps.

Yes, because it's quite easy, and probably cheaper, to use 2 or 3 sections of a quad opamp to make a good balanced-in/balanced-out circuit. -- This email has been checked for viruses by AVG antivirus

Tom, Maybe you did not understand my question. Are you looking for a model to run in LTspice, or are you looking for a model to run in XSPICE (or other SPICE programs)? The ideal op-amp models that

The generic Spice model would be usable in LTspice or Spice programs that support XSPICE. I found 2 on this forum from 2011 using various search terms. There are many choices for an generic OpAmp with

I am a little confused about the request.? Does that mean you want a model that will be used in XSPICE?? Or one for LTspice that behaves similarly to a model you already have for XSPICE? If it is

Looking for ideal fully differential amplifier spice model for XSPICE simulations. The one I have based on the XSPICE "gain" code model doesn't have any CMRR or care if outputs are swapped. Anything

Andy, I had to do a deeper search in my archive, but found them. I uploaded a newer zip file with the missing asy files. Mike

Story of my life! That's why I usually use 'JMW' rather than 'JW', but at one time there were at least three people called John Michael Woodgate (only very distantly related, if at all) in Britain. --

Sorry!? That was the other John W (Waugaman). Andy ( #DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2 )

I can live without them, and I'm sure Andy will provide all the help you need. -- This email has been checked for viruses by AVG antivirus software. www.avg.com

Thanks, Mike. I don't know if it matters (to John W), but your uploaded .zip file is missing the symbols "1To2.asy" and "switchana.asy". Andy

John & Andy, I found the files in my offline LTspice storage location. Files are uploaded as 4053_tercio.zip. I have no idea if the files are current with the latest Bordodynov library. You will

A much older version of "SwitchAna.Lib" was also mentioned in this 2008 message thread: /g/LTspice/topic/50176653 ("X046 Lib & Cmos Switchs Libs") but it appears they did not

It's difficult to trace back in time, 7 years later.? But the library file "SwitchAna.Lib" was uploaded and mentioned in this thread: /g/LTspice/topic/50239806 ("Question about

The analog switch library "SwitchAna.Lib" makes reference to various symbols (e.g.? "4053_tercio.asy") and phrases like "The model needs two params: Vcc & Vel see the circuit example..".? Where

Just to be clear - Adding "OPA891" as the Value2 attribute has nothing to do with putting your symbols and models in your user-defined locations. Andy

Problem solved: I added "OPA891" to Value 2 in both my OPA891 and OPA2891 symbols and now my sims all work using my user defined locations. Thanks to all who helped me figure this out. You spent

They can work on the bugs to their hearts content, but it might be reasonable to leave the link there so more people can continue the search.

That is why I wrote this, in # 156924 ( /g/LTspice/message/156924 ) : I don't know how you missed it.? Put the symbol in a folder in your User-defined Symbol Search Path, and put the

It will nearly do that if you create your own libraries for symbols and models. See 'Settings > Search paths' in the Help. You do have to select the folder from a drop-down list. -- This email has