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Hartley oscillator

Index Hartley oscillator

The Hartley oscillator is an electronic oscillator circuit in which the oscillation frequency is determined by a tuned circuit consisting of capacitors and inductors, that is, an LC oscillator. [1]

36 relations: Amplifier, Automatic gain control, Autotransformer, Bipolar junction transistor, Capacitor, Coil tap, Colpitts oscillator, Common drain, Crystal oscillator, Diode, Distortion, Electrical reactance, Electronic circuit, Electronic oscillator, Feedback, Field-effect transistor, Fritz Langford-Smith, Grid-leak detector, Harmonic, Harry Nyquist, High impedance, Inductance, Inductor, JFET, LC circuit, Operational amplifier applications, Opto-electronic oscillator, Parasitic capacitance, P–n junction, Phase (waves), Quartz, Ralph Hartley, Resonance, Spurious tone, Tri-tet oscillator, Triode.

Amplifier

An amplifier, electronic amplifier or (informally) amp is an electronic device that can increase the power of a signal (a time-varying voltage or current).

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Automatic gain control

Automatic gain control (AGC), also called automatic volume control (AVC), is a closed-loop feedback regulating circuit in an amplifier or chain of amplifiers, the purpose of which is to maintain a suitable signal amplitude at its output, despite variation of the signal amplitude at the input.

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Autotransformer

An Auto-transformer (sometimes called auto-step down transformer) is an electrical transformer with only one winding.

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Bipolar junction transistor

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Capacitor

A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.

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Coil tap

A coil tap is a wiring feature found on some electrical transformers, inductors and coil pickups, all of which are sets of wire coils.

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Colpitts oscillator

A Colpitts oscillator, invented in 1918 by American engineer Edwin H. Colpitts, is one of a number of designs for LC oscillators, electronic oscillators that use a combination of inductors (L) and capacitors (C) to produce an oscillation at a certain frequency.

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Common drain

In electronics, a common-drain amplifier, also known as a source follower, is one of three basic single-stage field effect transistor (FET) amplifier topologies, typically used as a voltage buffer.

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Crystal oscillator

A crystal oscillator is an electronic oscillator circuit that uses the mechanical resonance of a vibrating crystal of piezoelectric material to create an electrical signal with a precise frequency.

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Diode

A diode is a two-terminal electronic component that conducts current primarily in one direction (asymmetric conductance); it has low (ideally zero) resistance in one direction, and high (ideally infinite) resistance in the other.

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Distortion

Distortion is the alteration of the original shape (or other characteristic) of something.

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Electrical reactance

In electrical and electronic systems, reactance is the opposition of a circuit element to a change in current or voltage, due to that element's inductance or capacitance.

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Electronic circuit

An electronic circuit is composed of individual electronic components, such as resistors, transistors, capacitors, inductors and diodes, connected by conductive wires or traces through which electric current can flow.

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Electronic oscillator

An electronic oscillator is an electronic circuit that produces a periodic, oscillating electronic signal, often a sine wave or a square wave.

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Feedback

Feedback occurs when outputs of a system are routed back as inputs as part of a chain of cause-and-effect that forms a circuit or loop.

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Field-effect transistor

The field-effect transistor (FET) is a transistor that uses an electric field to control the electrical behaviour of the device.

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Fritz Langford-Smith

Fritz Langford-Smith (29 June 1904 – 3 December 1966) was an Australian electrical engineer.

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Grid-leak detector

A grid leak detector is an electronic circuit that demodulates an amplitude modulated alternating current and amplifies the recovered modulating voltage.

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Harmonic

A harmonic is any member of the harmonic series, a divergent infinite series.

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Harry Nyquist

Harry Nyquist (born Harry Theodor Nyqvist,; February 7, 1889 – April 4, 1976) was a Swedish-born American electronic engineer who made important contributions to communication theory.

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High impedance

In electronics, high impedance means that a point in a circuit (a node) allows a relatively small amount of current through, per unit of applied voltage at that point.

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Inductance

In electromagnetism and electronics, inductance is the property of an electrical conductor by which a change in electric current through it induces an electromotive force (voltage) in the conductor.

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Inductor

An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.

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JFET

The junction gate field-effect transistor (JFET or JUGFET) is the simplest type of field-effect transistor.

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LC circuit

An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.

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Operational amplifier applications

This article illustrates some typical operational amplifier applications.

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Opto-electronic oscillator

An opto-electronic oscillator (OEO) is an optoelectronic circuit that produces repetitive electronic sine wave and/or modulated optical continuous wave signals.

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Parasitic capacitance

Parasitic capacitance, or stray capacitance is an unavoidable and usually unwanted capacitance that exists between the parts of an electronic component or circuit simply because of their proximity to each other.

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P–n junction

A p–n junction is a boundary or interface between two types of semiconductor materials, p-type and n-type, inside a single crystal of semiconductor.

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Phase (waves)

Phase is the position of a point in time (an instant) on a waveform cycle.

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Quartz

Quartz is a mineral composed of silicon and oxygen atoms in a continuous framework of SiO4 silicon–oxygen tetrahedra, with each oxygen being shared between two tetrahedra, giving an overall chemical formula of SiO2.

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Ralph Hartley

Ralph Vinton Lyon Hartley (November 30, 1888 – May 1, 1970) was an electronics researcher.

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Resonance

In physics, resonance is a phenomenon in which a vibrating system or external force drives another system to oscillate with greater amplitude at specific frequencies.

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Spurious tone

In electronics (radio in particular), a spurious tone (also known as an interfering tone, a continuous tone or a spur) denotes a tone in an electronic circuit which interferes with a signal and is often masked underneath that signal.

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Tri-tet oscillator

A tri-tet oscillator is a crystal-controlled vacuum tube electronic oscillator circuit.

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Triode

A triode is an electronic amplifying vacuum tube (or valve in British English) consisting of three electrodes inside an evacuated glass envelope: a heated filament or cathode, a grid, and a plate (anode).

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Redirects here:

Hartley Oscillator, Hartley Oscillators.

References

[1] https://en.wikipedia.org/wiki/Hartley_oscillator

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