[sdiy] adding libraries to LTspice

[Mike HEQX]

Never thought of that, but that is really a cool idea. I was finally 
able to get the libraries installed. I got it from the yahoo ltspice 
group and it works, but of course it's not automated. My problem was a 
path issue. Two paths were nearly identical yet in totally different 
places and I didn't notice that.

I really like the idea of using wav files as voltage sources. I have a 
lot of baby steps to take first, but I'll get there in a few weeks. Then 
you can have automated sweeps as if a person were turning a pot.


Thank you all



On 9/29/2017 6:36 AM, Steve wrote:
> and btw, next to param sweep, here's another cool feature of LTspice:
> Using wav files as voltage source (or output, i.e. wav dump of 
> your circuit voltages - that need to be in +/- 1.0 volt range at the 
> point of sending to wav, btw)
> http://electrostud.wikia.com/wiki/Using_WAVE_files_as_input/output_in_LTSpice
> So you could also "abuse" a wave file in place of a potentiometer in 
> some situations to get some more elaborate bahavior of changing values 
> than with the .STEP command.
> - Steve
> -----------------
> As I accidentally replied only to Mike, not SDIY before, here the 
> other mail for reference:
> ---
>
> So do you have a lib that does pots? I wonder how that would work.
> It's been a while since I was adding stuff, do't recall right now,
> but:
> How about just sweeping resistor values? If it needs to be a 
> 3-terminal pot, sweep two resistors in a cross-fading manner, I guess.
> Here is en example that sweeps a capacitor value. With the rsult that 
> you get one curve for each step of the sweep,
> http://www.linear.com/solutions/1831
>
> You can either use a list with values for the sweep, but IIRC you can 
> also specify a linear or log or whatever range and steps.
>
> *Von:* "Mike HEQX" <mike at heqx.com>
> *An:* "Synth DIY" <synth-diy at synth-diy.org>
> *Betreff:* [sdiy] adding libraries to LTspice
> I'm loosing my mind trying to add a potentiometer library to LTspice.
>
> Some people say not to use pots, but I'm not sure that would be a good
> thing either.
>
> Anyone have an easy procedure or any tips for adding libraries?
>
>
> Thanks,
>
> Mike
>
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