Signal modulation is one of the most basic and important concepts in the RF industry. It consists of using the variation of one or more parameters of a carrier signal to transmit information, ...

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A versatile four-quadrant analog multiplier core from Analog Devices, the AD633, is widely used in applications like modulation and demodulation, automatic gain control, power measurement, and voltage ...

The modulation scheme 16FSK is pretty unusual and not widely used. Yet it is now available in a new IC from CML Microcircuits. And it offers some unusually good benefits for those of you building low ...

Even before the great COFDM vs. 8-VSB modulation system debate momentarily clouded the television transition, integrated circuit developers and consumer electronics companies were hard at work on more ...