A spectrum analyzer, engineer Mark Persons explains, is a marvelous tool that creates a “window” into the world of radio ...

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Abstract: Compact Si photonic crystal slow-light Mach-Zehnder modulator and open collector driver amplifier dramatically improve the optical transmitter. They were co-designed and demonstrated with a ...

MODERN invention rivals ancient miracle in its startling and world-transforming effects. The things which in our youth we were taught to be impossible are now the every day incidents of our life and ...