Due to efficiency, quality, and cost, digital communications systems play a major role in telecommunications, especially wireless services. With most digital modulation schemes represented as in-phase ...

XM has applied for a U.S. patent on a new method of FM modulation. Currently most cars do not include any kind of an auxiliary jack, so the method of choice for satellite radio is through FM ...

Available in wavelengths for biomedical, R&D, and laboratory applications, the Stradus family of laser diode modules deliver digital modulation at 200 MHz. Wavelengths include 660 nm at 100 mW, 642 nm ...