We’ve all done it at some time — made an electrical connection by twisting together the bare ends of some wires. It’s quick, and easy, but because of how little force required to part it, not terribly ...

Cables for the transport of radio frequency signals are almost invariably coaxial, apart from a few specialized applications such as HF aerial feeder which may use balanced lines. Coax's outstanding ...

Oliver Kent of Muirhead Aerospace Ltd recently commented on my formula for twisted-pair line impedance (Figure 1). “I am using coated wire with 1.3-mm outer diameter and 0.95-mm inner diameter,” Kent ...