Re: [Qucs-help] Why no comparator in QUCS?

[Stefan J. <st...@gr...>]

Am Fr, 28.08.2009, 16:10, schrieb Lawrence W. Gill:

> Hi,

Hi!

> Sorry,I guess I should have made myself more clear. Why is there no analog
> voltage comparator? The hobby circuit I am building uses an LM339 Quad
> Comparator, and compares voltages between the ranges of 100-500 mVAC. I
> had to fake its stages by using the modular op-amp set so LMIN is 0V. I
> did try one of the digital comparators, but they seem to only expect logic
> level HI/LO voltages, and would not work for me.

I think you can also use the "ideal opamp" found under "nonlinear
components" for this purpose.

Best regards, Stefan.