In the vacuum-tube radio, an electron-coupled oscillator or ECO oscillator uses a screen-grid tube with the cathode, control grid and screen grid forming...

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...

traveling-wave tube family, it is an oscillator with a wide electronic tuning range. An electron gun generates an electron beam that interacts with a slow-wave...

A crystal oscillator is an electronic oscillator circuit that uses a piezoelectric crystal as a frequency-selective element. The oscillator frequency...

1954 R.W. Gould, "A coupled mode description of the backward-wave oscillator and the Kompfner dip condition" I.R.E. Trans. Electron Devices, vol. PGED-2...

Armstrong oscillator, a.k.a. Meissner oscillator Hartley oscillator Colpitts oscillator Clapp oscillator Cross-coupled LC oscillator Seiler oscillator Vackář...

the electron beam amplifies the signal, and the amplified signal is taken from a cavity at the other end of the tube. The output signal can be coupled back...

electronics, the dynatron oscillator, invented in 1918 by Albert Hull at General Electric, is an obsolete vacuum tube electronic oscillator circuit which uses...

A tri-tet oscillator is a crystal-controlled vacuum tube electronic oscillator circuit. It is a type of electron-coupled oscillator (ECO), which uses...

1941), "A Low-C Electron-Coupled Oscillator" (PDF), QST Lampkin, G. F. (March 1939), "An Improvement in Constant Frequency Oscillators", Proceedings of...

freedom, can have two natural frequencies. As the number of coupled harmonic oscillators increases, the time it takes to transfer energy from one to the...

Microelectromechanical system oscillators (MEMS oscillators) are devices that generate highly stable reference frequencies used to sequence electronic...

(valve) electronic oscillator used in radio transmitters could not produce frequencies above a few hundred megahertz due to excessive electron transit time...

A free-electron laser (FEL) is a fourth generation light source producing extremely brilliant and short pulses of radiation. An FEL functions much as a...

25kV vacuum tube oscillator. He successfully demonstrated that he had accelerated sodium and potassium ions to an energy of 50,000 electron volts (50 keV)...

respective orientation of the electron and hole spins, whether they are parallel or anti-parallel. The spins are coupled by the exchange interaction, giving...

laser. A laser that produces light by itself is technically an optical oscillator rather than an optical amplifier as suggested by the acronym. It has been...

promotion of a classical harmonic oscillator to a quantum harmonic oscillator. The displacement of a classical harmonic oscillator is described by x ( t ) = 1...

A vacuum tube, electron tube, thermionic valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum...

from being a harmonic oscillator. An oscillator that is not oscillating in harmonic motion is known as an anharmonic oscillator where the system can be...

than 2.5 kW output power. The coupled-cavity TWT overcomes this limit by replacing the helix with a series of coupled cavities arranged axially along...

metal plate and knocks free an electron, initiating an ever-amplifying avalanche of electrons. Semiconductor charge-coupled device chips use a similar effect:...

other types of coherent emission sources, such as optical parametric oscillators, for selective excitation of atomic or molecular species. Light scattering...

each other, they are said to be coupled. For example, two electrons orbiting around the same nucleus may have coupled angular momenta. Due to the conservation...

desired operating frequency. An IMPATT oscillator can be tuned by adjusting the resonant frequency of the coupled circuit, and also by varying the current...

connected to an oscillator that reversed the relative voltage of the two plates at a given frequency. At any given instant, the electron will naturally...

assumption that vibrations of the electrons are approximately harmonic, one can use that for a quantum harmonic oscillator the root mean square displacement...

relation for a harmonic oscillator coupled to the vacuum field is preserved implies that the zero-point energy of the oscillator is preserved. it is easy...

invention of the laser in 1960 by Theodore Maiman. When the coherent optical oscillator was first imagined in 1957, it was originally called the "optical maser"...

– Apollo Guidance Computer – Arithmetic and logical unit – Armstrong oscillator – ARRL – Articulation score – Astable – Asymmetric Digital Subscriber...