If you need to do RF related computations on a regular basis, now there’s an app for that! Freescale has released their FREE RF Engineering Tools App V1.0. “The RF Engineering Tools app is a compilation of calculators and converters that can assist the typical RF designer, university student, professor and other members of the RF community in the execution of a variety of design and analysis activities. The calculator list includes a PCB microstrip impedance calculator and both cascaded third-order intercept point and cascaded noise figure analyses of multi-stage RF designs calculators. The converter list includes a common length conversion tool, a dBm-to-watts/watts-to-dBm tool and a polar-to-rectangular/rectangular-to-polar converter.”
The Apple version is compatible with iPhone 3GS, iPhone 4, iPhone 4S, iPod Touch (3rd-generation), iPod Touch (4th-generation) and iPad. Requires iOS 4.2.5 or later and can be found on their app store. The Android version is compatible with all Android 2.2+ OS phones and can be found on Google play.