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Mike and any other interested parties: I've noticed that most SPICE simulators allow the insertion of negative resistors and LTSpice seems to be no exception. However, when you do a Bode plot with an

I want to design and simulate schmeatics involving tubes. I have found several sites online that have available models to download. When i click on these models, i see a bunch of commands in a text

Mike, The schematic comes up without the opamp. I just put an LT1001 in. As you say, the ground is missing. When I wired one in everything worked fine. So, of course, you were correct. Regards, Steve

I didn't see a ground symbol on your schematic. When I added it, and replaced your opamp with one in my library, it seems to run ok. Steve Bernhard_Kraemer@... wrote: Hello, I have a simple

Hello Mike, Thank you, you have seen the problem. I'm sorry, next time I should check the ground node flag first. Thanks again, Bernhard

We can't run the circuit without the file TL071.lib, but one drafting error that can be seen is that you didn't specifiy what you meant as ground with the GND(node 0) flag. Press F4, select GND(global

Hello, I have a simple OpAmp-circuit to simulate. I would like to get a .AC - Simulation from 1Hz to 30Khz, but the simulator starts endless iterations. Depending on the Opamp-Modell I am using, the

Oh, yes, now I see the problem. There was a problem introduced. If you add the line ".param R=5K" the circuit will fail but the line2 ".param" or ".param R=5K nix=3K" will not cause it to fail. There

Panama Mike, analog wrote: When param stepping suddenly went lame in circuit file at work where it used to run like a champ, the first thing I did was to make up a test circuit *almost* exactly like

Analog, I didn't know that it was broken. There was recent change to make globally .step'ed parameters accessible in subcircuits if not defined at a more local scope, so maybe something else broke

Hello- I'm looking for a spice model for an ST Microelectronics L2726 Dual Power Op Amp. Does anyone have one? Thanks John _________________________________________________________________ MSN 8 helps

One of my favorite features is hobbled. :( :( Mike, please make it whole again. Version 2.03r June 30th. Thanks. PS: I noticed that LTspice parses ".aliases" and ".endalises" but doesn't seem to make

These functions are now available in the waveform compiler in version 2.03r. Thanks again for pointing out the problem. --Mike --- Dale <dchishol@...> wrote:

It was error in the help file. Those functions were never part of the waveform expression compiler. But I'll add them. There's be an update next week that will include them for real waveform math so

I checked the "Help". On my installation (ver 2.03q, 27 Jun 2003) the topic called "Waveform Arithmetic" includes some sexy full-color screen captures and most definitely lists : " int(x) | convert x

--- In LTspice@..., "analogspiceman" <analogspiceman@y...> wrote: ... > The functions you named are not valid for waveform arithmetic and > may only be used in behavioral sources. Check

you might try V(n003) analogspiceman <analogspiceman@...> wrote:--- In LTspice@..., "Dale" <dchishol@c...> wrote: Hello, The functions you named are not valid for waveform arithmetic

Hello, The functions you named are not valid for waveform arithmetic and may only be used in behavioral sources. Check the help file. Or better still, check my included crib sheet which contains many

When entering a waveform expression using the "int()", "ceil()" or "floor()" functions I get error messages that "int" (or "ceil" or "floor") is an undefined symbol. For the record, the expression I'm

My preference would be to post in the "Files" section of this group. {In the menubar along the left side of this window, click on "Files" then drill down to Files>Lib>Sym, Files>Lib>Sub or