But as any radio enthusiast knows, sparks also give off broadband radio noise. Arc-fault circuit interrupters (AFCI) are special circuit breakers that listen for this noise in the power line and ...

Radio Frequency Integrated Circuits (RFICs) and systems are essential components in modern communication technologies, particularly in the context of wireless communication. These circuits are ...

It’s then a simple matter of hooking up the right pads on the credit card to the rest of a crystal radio circuit, and you’re all set. Of course, [Billy] goes the whole hog, building the entire ...

In this connexion, the radio link is an alternative to the use of a submarine cable, and it has the advantages of lower installation cost and ease of maintenance. An experimental two-way circuit ...