Filter Wiz Lite

Filter Wiz Lite is a lightweight and free application that contains advanced options for helping you seamlessly put together filter designs using lowpass, highpass, bandpass, bandstop or anti-aliasing lowpass. It's wrapped in a user-friendly interface that lets you customize each step in a wizard.

Simple setup and wizard

Setting up this program should be a fast and simple job that doesn't impose any difficulties. Once it's launched, you can choose the type of design you want to create (e.g. lowpass, highpass), which brings up the previously mentioned wizard.

Customize settings to calculate results

The frequency, attenuation and gain values may be entered to calculate the magnitude response. In the following phase, you can check out the frequency and time responses, select the approximation, as well as configure graphs when it comes to the frequency and attenuation axis, time, 3dB marker and grid.

Preview projects and save them as eSketches

Filter Wiz Lite lets you pick the circuit schematic for each stage, calculate the component values, and examine final frequency responses before saving the design as an eSketch file. Before doing so, however, you can go back to any step to change settings.
Furthermore, you can save the design as a project file to be able to resume it later, copy it to the Clipboard as an image or print it directly, use a resistor color coder and op amp slew rate calculator, as well as convert db to V/V or vice versa.

Evaluation and conclusion

We haven't come across any stability issues in our tests, thanks to the fact that the software utility didn't hang, crash or display error messages. It had a good response time and minimal impact on computer performance, using low CPU and RAM.
All in all, Filter Wiz Lite provides you with an effective solution to rapidly generating various kinds of filter designs, backed by powerful and approachable options.
NOTE: For additional features, you can check out the professional edition, Filter Wiz Pro.