Author Archives: Göran Granström

About Göran Granström

Feel free to comment any of my products and projects if you like them, have a question or want to request a feature. Looking for a consulting engineer? Visit my linked[in] profile and contact me for availability. You will find contact information on the bottom of this page.

Update 1.1 seed-bug workaround

Couplings Designer 1.1 was released yesterday along with new features like prescribed zeros, predistortion, bandstop support, iPad support etc. However, we didn’t anticipate a bug that was introduced when updating from 1.0 which makes seeding new coupling matrices impossible. The … Continue reading

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Releasing Couplings Designer for iPhone

Design and synthesize modern advanced RF and microwave filters with Couplings Designer for iPhone, available today for $29.99 at the app store. Try Couplings Designer LITE for free, which has all the features but limited to 4th order filters.   … Continue reading

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