What's New
This app has been updated by Apple to use the latest Apple signing certificate.
- Minor updates
App Description
This app contains design calculators for the following filters:
Butterworth π LC Low Pass Filter
Butterworth π LC High Pass Filter
Chebyshev π LC Low Pass Filter
Chebyshev π LC High Pass Filter
Butterworth T LC Low Pass Filter
Butterworth T LC High Pass Filter
Chebyshev T LC High Pass Filter
Chebyshev T LC Low Pass Filter
Sallen-Key Butterworth Low Pass Filter
Sallen-Key Butterworth High Pass Filter
Equal Component Butterworth Low Pass Filter
Equal Component Butterworth High Pass Filter
π Attenuator
T Attenuator
iPhone Screenshots
(click to enlarge)
iPad Screenshots
(click to enlarge)
App Changes
- June 22, 2016 Initial release
- July 12, 2016 New version 1.2
- November 05, 2016 New version 1.4
- November 06, 2016 New version 1.5
- December 23, 2016 New version 1.6
- June 14, 2019 New version 2.1
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