Several useful Filter Design Software

Developed by filter solutionsnuhertz, nuhertz is an industry leader in filter design software. The trial version is only available for download on the Internet, and the trial period is only 20 days. After the software is used, the software is basically paralyzed. Of course, you can find the serial number if you are careful. The function is very complete. It is worth mentioning that the curve drawn by the filter solutions can be comparable to that drawn by Protel. I basically use the filter wiz pro to design the filter, but use the filter solutions curve, it can be used normally. Filter wiz pro Produced by schematica. Not to mention, I have used the most frequently-used discrete component filter software with very complete functions. I have considered all the problems I can think of for you, the only drawback is that, if you do not register, the number of vertices and the resistance value are limited. The registration fee is $199. Filtercad Developed by linear, it is widely used in integrated filter design and is free of charge and unrestricted. The design wizard is provided to facilitate the quick design of the Integrated filter. It has phase frequency, amplitude frequency, and group delay curves, and the frequency axis can be linear or logarithm. The linear technology website provides free download. : Http://ltspice.linear.com/software/FilterCAD.zip Filterlab Produced by microchip, it is free to use, unlimited, and very affordable. On the microchip homepage, you can download the package for free. : Http://www.microchip.com/filterlab The disadvantage is that only the phase frequency and amplitude frequency curves exist.