The harmonic, or linear, oscillator produces a sinusoidal output. It is ubiquitous in modern electronics, used to generate the clock signal in computers and digital watches and radio frequency signals in radio transmitters and receivers.īlock diagram of a feedback linear oscillator an amplifier A with its output v o fed back into its input v f through a filter, β(jω). The most common linear oscillator today is the crystal oscillator, in which the frequency is controlled by a resonator consisting of a vibrating quartz crystal. There are two main types of electronic oscillator – the linear or harmonic oscillator and the nonlinear or relaxation oscillator. An RF oscillator produces signals in the radio frequency (RF) range of about 100 kHz to 100 GHz.An audio oscillator produces frequencies in the audio range, about 16 Hz to 20 kHz.This term is typically used in the field of audio synthesizers, to distinguish it from an audio frequency oscillator. ![]() ![]()
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