Phase shift controller setup12/20/2023 ![]() ![]() Advanced modulation features in modern function generators ![]() They have also evolved into sophisticated techniques such as QAM (quadrature amplitude modulation), FSK (frequency-shift keying) and more, that are used in short range wireless links such as Wi-Fi to long-range telecommunications networks. With the advent of radio wave telegraphy in the 19 th century by Guglielmo Marconi and later the wideband FM radio in the 20 th century by Edwin Howard Armstrong, radio waves are modulated by its carrier waves for efficient long-range transmissions.ĪM (amplitude modulation) and FM (frequency modulation) have been and are still very important electrical transmission techniques for radio communications. Modern function generators nowadays have a very important feature called modulation. ![]() Basic function generators generally can generate basic periodic waveforms such as sine wave, square wave, triangle wave, ramp wave, pulse wave and so on.
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