AM, or amplitude modulation, was the earliest way of sending voice over radio waves. That makes sense because it is easy to modulate a signal and easy to demodulate it, as well. A carbon ...

But for a weekend project, [Vinod.S] took the ultrasonic transmitter and receiver from a distance-meter module and used amplitude modulation ... Those go to a circuit board he designed which ...

Using Quobly’s strategy to build Qubits with FD-SoI technology, the readout architecture ‘provides a path to low power and ...