Butterworth Filter app

Developer: Randle C. Sink

Category: Productivity

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12 installs

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Butterworth Filter app Summary

Butterworth Filter app is a mobile Android app in Productivity by Randle C. Sink. Released in Jun 2013 (12 years ago). It has about 12+ installs Store metadata: updated Jun 7, 2013.

Store info: Last updated on Google Play on Jun 7, 2013 .

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App Details

Store ID: com.eeautocalc.butterworth

First Released: 2013-06-04

Store Last Updated: 2013-06-07

In-App Purchases: No

Ads: No

Website: eeautocalc.com

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Crawl Status: Success

AppGoblin First Crawled: 2024-08-21

AppGoblin Last Crawled: 2026-03-03

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App Description

Used to find epsilon (ripple) and order n given Amax, Amin (dB), Wc & Ws (rad/s)

This app prompts the user for Amax in dB (the maximum p-p variation in the passband of the filter), Amin (the minimum response attenuation), Wc in rad/sec (the upper end of the passband) and Ws (the upper end of the stopband). This calculates Epsilon (ripple) e as well as the Order, n. As an example, use Amax = 0.1, Amin = 60, Wc = 250 and Ws = 2000 and your results should be 0.15262 for Epsilon and 4.226 for the Order, n (see screenshot 2). If you change Ws to 500, then the Order n shoots up to 12.678 (see screenshot 3). Screenshot 1 is what you see when you first open the app, when no input has been added yet.