Amplitude modulation (AM) is the oldest method of transmitting human voice electronically. In an analog telephone conversation, the voice waves on both sides are modulating the voltage of the ...

But AM itself is not related to a particular frequency, instead it refers to “Amplitude Modulation”, and was the original modulation mode for conveying speech and music. You’ll also find it ...

These considerations have spurred interest in using multi-level modulation schemes to increase storage capacities and enhance operating speeds 8). In particular, multi-level amplitude modulation ...

Most forms of Ethernet use pulse amplitude modulation (PAM) constellations. In PAM signal modulation, information is encoded in the amplitude of a series of signal pulses. For example, a two-bit ...

There are two radio modulation schemes everyone should know. Amplitude modulation changes the amplitude — or ‘volume’, if you will — of a carrier frequency and turns all radio into ...

A modulation scheme that’s gaining favor in many quarters is PAM4, and in this post we’ll look at the basics of PAM4 before turning to the test and analysis challenges it poses. PAM4 (four-level pulse ...