RF Fundamentals
RF Noise Explained: Sky, Atmosphere & Man-Made Noise
A receiver can only be as quiet as the sky and the neighbourhood it listens to. In this article we look at where external noise comes from, how it changes with frequency, and
RF fundamentals explained simply: practical guides to microwave and RF theory, components and techniques for engineers and radio amateurs.
A receiver can only be as quiet as the sky and the neighbourhood it listens to. In this article we look at where external noise comes from, how it changes with frequency, and
From a 1.75-mile (3 km) hop across the Manchester Ship Canal in 1950 to contacts of over 1000 km today, the UK story of 10 GHz amateur microwaves is one of klystrons, Gunn
A receiver can only be as quiet as the sky and the neighbourhood it listens to. In this article we look at where external noise comes from, how it changes with frequency, and
The Leo Bodnar LBE-1420 and LBE-1421 GPSDOs are easy to use, but a few of their settings make a real difference to the quality of your frequency reference. Here’s what each one does