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The Colpitts oscillator is widely used in various applications, such as RF communication systems, signal generators, and electronic testing equipment. It has better frequency stability than the Hartley oscillator, which uses a tapped inductor instead of a tapped capacitor in the tank circuit. [11]
Colpitts oscillator schematic of working circuit === Source of image === Created by Madhu as a screenshot. Date: 5 November 2010, 10:18 (UTC) Source:
An active-filter tuned oscillator is an active electronic circuit designed to produce a periodic signal. It consists of a bandpass filter and an active amplifier, such as an OP-AMP or a BJT. The oscillator is commonly tuned to a specific frequency by varying the reactant of the feedback path within the circuit. An example is the Colpitts ...
Edwin Henry Colpitts (January 19, 1872 – March 6, 1949) was a communications pioneer best known for his invention of the Colpitts oscillator.As research branch chief for Western Electric in the early 1900s, he and scientists under his direction achieved significant advances in the development of oscillators and vacuum tube push–pull amplifiers.
The Clapp oscillator or Gouriet oscillator is an LC electronic oscillator that uses a particular combination of an inductor and three capacitors to set the oscillator's frequency. LC oscillators use a transistor (or vacuum tube or other gain element) and a positive feedback network. The oscillator has good frequency stability.
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The Pierce oscillator, with two capacitors and one inductor, is equivalent to the Colpitts oscillator. Equivalence can be shown by choosing the junction of the two capacitors as the ground point. An electrical dual of the standard Pierce oscillator using two inductors and one capacitor is equivalent to the Hartley oscillator."
Vacuum tube Seiler oscillator. The Seiler oscillator is an LC electronic oscillator. It was presented in 1941 by E. O. Seiler. [1] The original implementation used a vacuum tube in an Electron-coupled oscillator circuit. Like the Clapp oscillator and the Vackář oscillator it is a variation of the Colpitts oscillator. It uses a voltage divider ...