Gerard Wimpenny, chief technology officer at Cambridge-based power technology company Nujira describes the special challenges of testing envelope tracking power amplifiers for mobile phone systemsAs ...

Richard Branson's Virgin Group and Abu Dhabi's aabar Investments PJS, have successfully completed the second rocket-powered, supersonic flight of its passenger carrying reusable space vehicle, ...

While at DesignCon in January, I stopped by the National Instruments booth and was amazed when I saw its PXI RF modular instrumentation setup looking at an RF power amplifier (PA) with an envelope ...

Irkut has extended the flight-test envelope of the MC-21-300 this week, following the twinjet's maiden sortie on 28 May. The Russian manufacturer says the first test aircraft has completed two more ...