Abstract: Envelope tracking (ET) is a well-established power-management technique to improve the power efficiency of RF power amplifiers. This tutorial covers the principles of envelope-tracking ...

Abstract: Designing high-precision RF transceivers in deep submicron technologies is increasingly challenging due to reduced supply headroom, non-linearities of transistors, and large process ...

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The Canon RF 7-14mm f/2.8-3.5L Fisheye STM is an optical marvel, but it definitely isn't for everybody – and I say that as someone who loved the old EF version. But while it will find its usual home ...

From my brief hands-on time, the Canon RF 14mm f/1.4L VCM already feels like a serious ultra-wide for both stills and video. Images looked impressively sharp with well-controlled distortion and flare.