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
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
An LNA can cut your 24GHz noise figure significantly — so why did it only buy me 2–3dB of real SNR on tropo? The answer was in the troposphere, not the receiver.
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