Electric Oscillators

Electric Oscillators

Electric oscillators are electronic circuits that generate repetitive signals or waveforms with a specific frequency. These circuits are widely used in various applications, such as communication systems, audio equipment, and measurement instruments. The oscillations produced by electric oscillators can be sinusoidal, square, or sawtooth, depending on the circuit design and the intended application. The basic principle of electric oscillators is to create a feedback loop that sustains the oscillation by amplifying and feeding back a portion of the output signal to the input. The feedback loop consists of an amplifier, a frequency-selective network, and a phase-shifting network. The amplifier provides the gain necessary to compensate for the losses in the circuit and maintain the oscillation. The frequency-selective network determines the frequency of the oscillation by attenuating or amplifying certain frequencies. The phase-shifting network ensures that the feedback signal is in phase with the input signal, which is necessary for sustaining the oscillation. Electric oscillators can be classified into two main categories: linear and nonlinear. Linear oscillators produce sinusoidal waveforms and are used in applications that require high stability and low distortion, such as radio transmitters and receivers. Nonlinear oscillators produce non-sinusoidal waveforms and are used in applications that require frequency multiplication, such as clock generators and frequency synthesizers. In summary, electric oscillators are electronic circuits that generate repetitive signals with a specific frequency. They are widely used in various applications, and their design depends on the intended application and the desired waveform. The feedback loop is the key element that sustains the oscillation, and the circuit can be linear or nonlinear depending on the intended application.

electronic circuits, feedback loop, amplifier, frequency-selective network, phase-shifting network

— Joseph Walker

CITATION : "Joseph Walker. 'Electric Oscillators.' Design+Encyclopedia. https://design-encyclopedia.com/define/electric-oscillators?E=326349 (Accessed on October 14, 2026)"