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Electronic circuit with sine-wave output
A phase-shift oscillator is a linear electronic oscillator circuit that produces a sine wave output. It consists of an inverting amplifier element such
Phase-shift_oscillator
Linear oscillator circuit using an RC network
an LC oscillator it will give only a 3:1 range. Some examples of common RC oscillator circuits are listed below: In the phase-shift oscillator the feedback
RC_oscillator
Type of electronic circuit
Vackář oscillator Pierce oscillator Tri-tet oscillator Cathode follower oscillator Wien bridge oscillator Phase-shift oscillator Cross-coupled oscillator Dynatron
Electronic_oscillator
Electronic oscillator
from the crystal network. This would also add additional phase shift to C1. Pierce oscillators above 4 MHz should use a small capacitor rather than a resistor
Pierce_oscillator
Repetitive variation of some measure about a central value
Electronic oscillator Extended interaction oscillator Hartley oscillator Oscillistor Phase-shift oscillator Pierce oscillator Relaxation oscillator RLC circuit
Oscillation
Effect on frequency of interacting oscillators
advances or lags the oscillator's phase by some phase shift every oscillation cycle. Due to the oscillator's periodicity, this phase shift will be the same
Injection_locking
Oscillator with frequency controlled by a voltage input
A voltage-controlled oscillator (VCO) is an electronic oscillator whose oscillation frequency is controlled by a voltage input. The applied input voltage
Voltage-controlled_oscillator
Electronic control system
consisting of a variable frequency oscillator and a phase detector in a feedback loop (Figure 1). The oscillator generates a periodic signal Vo with
Phase-locked_loop
Topics referred to by the same term
Settings Object, used in Windows Active Directory environments Phase-shift oscillator, an electronic circuit that generates sine waves Projective special
PSO
(such as an LC network or a transmission line). In contrast to a Phase-shift oscillator in which LC components are lumped, the capacitances and inductances
Delay-line_oscillator
Electric circuit that generates sine waves
bridge oscillator is a type of electronic oscillator that generates sine waves. It can generate a large range of frequencies. The oscillator is based
Wien_bridge_oscillator
Electronic oscillator circuit
A crystal oscillator is an electronic oscillator circuit that uses a piezoelectric crystal as a frequency-selective element. The oscillator frequency
Crystal_oscillator
LC oscillator design
feedback signal provides the necessary phase shift for sustained oscillation. The working principle of a Colpitts oscillator can be explained as follows: When
Colpitts_oscillator
Touch-sensitive musical instrument played with the fingers
compensation. This means the op-amp is, likely, operating as a phase-shift oscillator driving transistors in a dead band resulting in a highly distorted
Kraakdoos
Data communications modulation protocol
free-running oscillators, and switching between them at the beginning of each symbol period. In general, independent oscillators will not be at the same phase and
Frequency-shift_keying
also giving low phase noise. It was described by Butler in 1946 as the earthed grid oscillator, a derivative of the Hartley oscillator. It is also known
Butler_oscillator
Theoretical model describing the optical response of bound charges
The Lorentz oscillator model (classical electron oscillator or CEO model) describes the optical response of bound charges. The model is named after the
Lorentz_oscillator_model
Quantum mechanical model
The quantum harmonic oscillator is the quantum-mechanical analog of the classical harmonic oscillator. Because an arbitrary smooth potential can usually
Quantum_harmonic_oscillator
Physical system that responds to a restoring force proportional to displacement
In classical mechanics, a harmonic oscillator is a system that, when displaced from its equilibrium position, experiences a restoring force F proportional
Harmonic_oscillator
Vacuum tube used to generate microwaves
A backward wave oscillator (BWO), also called carcinotron or backward wave tube, is a vacuum tube that is used to generate microwaves up to the terahertz
Backward-wave_oscillator
Phase space used in quantum optics
such oscillators can be described by an optical phase space. Let u(x,t) be a vector function describing a single mode of an electromagnetic oscillator. For
Optical_phase_space
issued 22 December 1953 US 2816228, Johnson, H., "Semiconductor Phase Shift Oscillator", issued 1957 "Who Invented the IC?". Computer History Museum.
Invention of the integrated circuit
Invention_of_the_integrated_circuit
Sweeping audio effect
modulated by an internal low-frequency oscillator so that they vary over time, creating a sweeping effect. Phasers are often used to give a synthesized
Phaser_(effect)
Type of degradation in signal transmission
power amplifier, phase noise and carrier frequency offset nonlinearity. Carrier frequency offset often occurs when the local oscillator signal for down-conversion
Carrier_frequency_offset
Standard for serial communication between devices without host computer
operate at the same nominal bit rate, but noise, phase shifts, oscillator tolerance and oscillator drift mean that the actual bit rate might not be the
CAN_bus
Pseudo-digital circuit
circuit similar to a phase-locked loop (PLL), with the main difference being the absence of an internal voltage-controlled oscillator, replaced by a delay
Delay-locked_loop
Physical characteristic of oscillating systems
modeled as harmonic oscillators near their equilibria, a derivation of the resonant frequency for a driven, damped harmonic oscillator is shown. An RLC circuit
Resonance
Electronic oscillator
The Hartley oscillator is an electronic oscillator circuit in which the oscillation frequency is determined by a tuned circuit consisting of capacitors
Hartley_oscillator
Phase reduction is a method used to reduce a multi-dimensional dynamical equation describing a nonlinear limit cycle oscillator into a one-dimensional
Phase_reduction
Oscillator that produces a nonsinusoidal repetitive waveform
In electronics, a relaxation oscillator is a nonlinear electronic oscillator circuit that produces a nonsinusoidal repetitive output signal, such as a
Relaxation_oscillator
System in electronic signal processing
compensate for frequency and phase differences between a received signal's carrier wave and the receiver's local oscillator for the purpose of coherent
Carrier_recovery
Frequencies in coupled oscillators
addition, the driven oscillator displays a pronounced dip in amplitude between the normal modes which is accompanied by a negative phase shift. This is the antiresonance
Antiresonance
Oscillator used in radio receivers
In a radio receiver, a beat frequency oscillator or BFO is a dedicated oscillator used to create an audio frequency signal from Morse code radiotelegraphy
Beat_frequency_oscillator
Process where information about current status is used to influence future status
an audio frequency oscillator. An audio oscillator produces frequencies in the audio range, about 16 Hz to 20 kHz. An RF oscillator produces signals in
Feedback
However, the use of a phase-locked loop (PLL) essentially eliminates the drift issue. For transmitters, a numerically controlled oscillator (NCO) also does
Frequency_drift
Measurement method using interference of waves
phase shift between those beams. In a RLG, the observed phase shift is proportional to the accumulated rotation, while in a FOG, the observed phase shift
Interferometry
Family of sleep disorders that affect the timing of sleep
biological clock system, or by misalignment between one's endogenous oscillator and externally imposed cues. As a result of this misalignment, those affected
Circadian rhythm sleep disorder
Circadian_rhythm_sleep_disorder
Timing oscillator
Microelectromechanical system oscillators (MEMS oscillators) are devices that generate highly stable reference frequencies used to sequence electronic
Microelectromechanical system oscillator
Microelectromechanical_system_oscillator
section of the dynamics. A simple harmonic oscillator has a constant tune for all initial positions in phase space. Adding some non-linearity results in
Tune_shift_with_amplitude
Monochrome light beam whose amplitude envelope is a Gaussian function
{nw_{0}}{\mathrm {NA} }}.} The Gouy phase is a phase shift gradually acquired by a beam around the focal region. At position z the Gouy phase of a fundamental Gaussian
Gaussian_beam
Mathematical technique for manipulating signals
possible to create an arbitrarily phase-shifted sine wave, by mixing together two sine waves that are 90° out of phase in different proportions. The implication
In-phase and quadrature components
In-phase_and_quadrature_components
Process in quantum optics
and atom oscillators. While there are physically higher terms in the true system, the system in this regime will therefore undergo the phase transition
Superradiant_phase_transition
Effect that limits performance of advanced atomic clocks
clocks. It is an aliasing effect: High frequency noise in a required local oscillator (LO) is aliased (heterodyned) to near zero frequency by a periodic interrogation
Dick_effect
Frequencies used by electrical components
Crystal oscillators can be manufactured for oscillation over a wide range of frequencies, from a few kilohertz up to several hundred megahertz. Many applications
Crystal oscillator frequencies
Crystal_oscillator_frequencies
Phase of a cycle
sometimes used to illustrate the geometric phase. The geometric angle in an adiabatically driven harmonic oscillator is another simple example from classical
Geometric_phase
Device which extracts info from a modulated radio frequency current or voltage
A phase-locked loop detector requires no frequency-selective LC network to accomplish demodulation. In this system, a voltage-controlled oscillator (VCO)
Detector_(radio)
Circuit
network. The output of each register is an f/6 square wave with 120° of phase shift between registers. Additional registers can be added to provide additional
Frequency_divider
Electronic system for generating any of a range of frequencies
delta sigma ADC. Digitally controlled oscillator Wadley loop Phase is the integral of frequency. Controlling the phase will also control the frequency. Popiel-Gorski
Frequency_synthesizer
Theory of sea surface temperature
the recharge oscillator. The physics processes behind the recharge oscillator model can be divided into 4 different phases: Warm phase: a positive warm
Recharge_oscillator
Device that emits light via optical amplification
parametric oscillators shift the wavelength of solid-state lasers across the spectrum from ultraviolet to infrared. Non-critically phase-matched OPOs
Laser
Electronic oscillator
Cathode follower oscillator (or differential amplifier oscillator, emitter follower oscillator, source-coupled oscillator or Peltz oscillator) is an electronic
Cathode_follower_oscillator
Frequency swept signal
varying the step in the numerically controlled oscillator. It can also be generated by a YIG oscillator.[clarification needed] A chirp signal shares the
Chirp
Type of radio receiver
the local oscillator (LO) contributes its own noise, primarily as phase noise, a side effect of practical oscillators. During mixing, this phase noise appears
Superheterodyne_receiver
Natural internal process that regulates the sleep-wake cycle
cultured. Though oscillators in the skin respond to light, a systemic influence has not been proven. In addition, many oscillators, such as liver cells
Circadian_rhythm
voltage-controlled oscillator and a mixer) to the center frequency of a band-pass filter. The use of a voltage-controlled oscillator allows consideration
Vector_signal_analyzer
Television that uses analog signals
subcarrier oscillator in the receiver locks onto this signal (see phase-locked loop) to achieve a phase reference, resulting in the oscillator producing
Analog_television
Process of varying one or more properties of a periodic waveform
implementation, often used in telemetry and paging systems. Phase Shift Keying (PSK): Modifies the phase of the carrier signal based on data. Common forms include
Signal_modulation
Instrument for measuring, keeping or indicating time
and an electronic feedback control system called a phase-locked loop tunes the microwave oscillator until it is at the frequency that causes the atoms
Clock
Electronic circuit
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
Active-filter tuned oscillator
Active-filter_tuned_oscillator
Condition due to travel across time zones
time. The phase shift when travelling from east to west is referred to as phase-delay of the circadian cycle, whereas going west to east is phase-advance
Jet_lag
Specific quantum state of a quantum harmonic oscillator
harmonic oscillator, often described as a state that has dynamics most closely resembling the oscillatory behavior of a classical harmonic oscillator. It was
Coherent_state
Behavior observed in neurons
Phase resetting in neurons is a behavior observed in different biological oscillators and plays a role in creating neural synchronization as well as different
Phase_resetting_in_neurons
Sleep disorder
circadian preferences to truncate their sleep duration or shift their natural sleep phase, leading to chronic sleep misalignment. This effect is most
Social_jetlag
Quantum error correcting code
resistant to both small shifts and loss channels. Gottesman, Daniel; Kitaev, Alexei; Preskill, John (2001). "Encoding a qubit in an oscillator". Physical Review
Gottesman–Kitaev–Preskill code
Gottesman–Kitaev–Preskill_code
Branch of physics
coupling). It determines the amount of cavity resonance frequency shift if the mechanical oscillator is displaced by the zero point uncertainty x zpf = ℏ / 2 m
Cavity_optomechanics
Type of quantum state
processing applications as it obviates the need of sending local oscillator to provide a phase reference, whereas squeezed vacuum is considered more suitable
Squeezed_coherent_state
Condition determining when a linear electronic circuit will oscillate
Barkhausen (1881–1956). It is widely used in the design of electronic oscillators, and also in the design of general negative feedback circuits such as
Barkhausen stability criterion
Barkhausen_stability_criterion
Clock that monitors the resonant frequency of atoms
thus, its associated transition frequency, can be used as a timekeeping oscillator to measure elapsed time. All timekeeping devices use oscillatory phenomena
Atomic_clock
Technique in digital communications
carrier is ambiguous. There are n valid but not equivalent phase shifts between the two oscillators. For BPSK, n = 2; the symbols appear inverted or not. Differential
Differential_coding
Intentional frequency shift in broadcasting
carrier frequency and the receiver's local oscillator, often due to synchronization errors and Doppler shifts. The most important problem encountered in
Frequency_offset
Sensor implementation technique
the source of the local oscillator, but the frequency used. In heterodyne detection, the local oscillator is frequency-shifted, while in homodyne detection
Homodyne_detection
Relationship of a signal transducer
}}(\omega )|} and phase shift arg χ ~ ( ω ) {\displaystyle \arg {\tilde {\chi }}(\omega )} . Consider a damped harmonic oscillator with input given by
Linear_response_function
Information method in electromagnetic radiation
standard or reference light from a "local oscillator" (LO) that would have a fixed offset in frequency and phase from the signal if the latter carried null
Optical_heterodyne_detection
Type of laser diode
laser is run continuously and is followed by a phase modulator. On the receiving end, a local oscillator DFB interferes with the received signal and decodes
Distributed-feedback_laser
COHO, short for Coherent Oscillator, is a technique used with radar systems based on the cavity magnetron to allow them to implement a moving target indicator
COHO
Phase-locked loop-based demodulator circuit
Doppler-shifted carriers, especially in OFDM and GPS receivers. In the classical implementation of a Costas loop, a local voltage-controlled oscillator (VCO)
Costas_loop
The food-entrainable oscillator (FEO) is a circadian clock that can be entrained by varying the time of food presentation. It was discovered when a rhythm
Food-entrainable_oscillator
Type of demodulator
is mixed with a local oscillator and low-pass filtered. The second copy is mixed with a 90° phase-shifted copy of the oscillator and the output of this
Product_detector
Lowest possible energy of a quantum system or field
described by its Hamiltonian which also describes the system as a harmonic oscillator, or wave function, that fluctuates between various energy states (see
Zero-point_energy
Reconstruction of quantum states based on measurements
get a probability distribution in the phase space (figure 2). This distribution can be normalized (the oscillator at a given time has to be somewhere)
Quantum_tomography
Type of high-power semiconductor diode
microwave electronics devices. They have negative resistance and are used as oscillators and amplifiers at microwave frequencies. They operate at frequencies
IMPATT_diode
Electrical circuit detecting phase difference
output waveform, which must be filtered to control the phase-locked loop voltage-controlled oscillator (VCO). A type II detector is sensitive only to the
Phase_detector
Branch of physics
wave approximation used above, introduces a pi phase shift on each light beam, complicating the phase-matching requirements. Conveniently, difference
Nonlinear_optics
Device for generating microwaves
applied microwave signal; the magnetron serves solely as an electronic oscillator generating a microwave signal from direct-current electricity supplied
Cavity_magnetron
Quantum phenomenon
effect. The oscillator radiates the wave which is reflected from the environment. In turn the reflection excites the oscillator either out of phase resulting
Purcell_effect
Brainwaves, repetitive patterns of neural activity in the central nervous system
investigate visual hallucinations. The Kuramoto model of coupled phase oscillators is one of the most abstract and fundamental models used to investigate
Neural_oscillation
density of liquids and gases. It is based on measuring the frequency shift of an oscillator caused by the change in mass introduced by the sample. This measurement
Density_meter
Signal processing filter
by varying its phase shift as a function of frequency. Generally, the filter is described by the frequency at which the phase shift crosses 90° (i.e., when
All-pass_filter
Background energy existing in space
each point in space is a simple harmonic oscillator, its quantization places a quantum harmonic oscillator at each point. Excitations of the field correspond
Vacuum_energy
Signal processing technique
invented the triode vacuum tube oscillator. In a 1905 patent, Fessenden stated that the frequency stability of his local oscillator was one part per thousand
Heterodyne
Equipment used in induction heating
to power the oscillator. The unit needs to be rated at the correct kilovolt-ampere (kVA) to supply the necessary current to the oscillator. Early rectifier
Induction_heater
Wireless technique of sending and receiving messages through water
the modulation methods used for UAC are as follows: Frequency-shift keying (FSK) Phase-shift keying (PSK) Frequency-hopping spread spectrum (FHSS) Direct-sequence
Underwater acoustic communication
Underwater_acoustic_communication
Type of amplifier that emphasizes a specific frequency in a noisy signal
vector relative to the lock-in reference oscillator. By computing the magnitude (R) of the signal vector, the phase dependency is removed: R = X 2 + Y 2 =
Lock-in_amplifier
American academic research scientist in chronobiology
melatonin to phase shift circadian rhythms, to determine when the stimulus will make circadian rhythms earlier (phase advance) or later (phase delay). Melatonin
Charmane_Eastman
Form of particle interferometry
there will be a phase shift due to the induced de Broglie phase in each arm of the interferometer, and this will translate to a shift in the Ramsey fringes
Ramsey_interferometry
German biologist (born 1953)
Hastings, J. W.; Roenneberg, T. (1994). "Different Phase Responses of the Two Circadian Oscillators in Gonyaulax". Journal of Biological Rhythms. 9 (3–4):
Till_Roenneberg
Wigner distribution function in physics as opposed to in signal processing
quantum harmonic oscillator, however, the evolution is simple and appears identical to the classical motion: a rigid rotation in phase space with a frequency
Wigner quasiprobability distribution
Wigner_quasiprobability_distribution
differential phase-shift keying – Coherer – Coilgun – Collinear antenna array – Collinear antenna array – Collins Radio – Colpitts oscillator – Combat-net
Index_of_electronics_articles
Medical evaluation method
there is a blockage in the trachea or nasopharynx, the phasing of these movements will shift in relation to the degree of the obstruction. In the case
Respiratory inductance plethysmography
Respiratory_inductance_plethysmography
Device which uses electromagnetic induction to sense objects
frequency discriminator circuits, like a phase lock loop detector, to see in what direction and how much the frequency shifts. Either the magnitude change or the
Inductive_sensor
PHASE SHIFT-OSCILLATOR
PHASE SHIFT-OSCILLATOR
Boy/Male
Tamil
Turanyu | தà¯à®°à®¾à®¨à¯à®¯à¯
Swift
Turanyu | தà¯à®°à®¾à®¨à¯à®¯à¯
Surname or Lastname
German
German : nickname for a swift runner or a timorous person, from Middle High German, Middle Low German hase ‘hare’.Jewish (Ashkenazic) : ornamental name from German Hase ‘hare’.English : from a Middle English nickname, Hase, from Old English hÄs ‘harsh, raucous, or hoarse voice’.Japanese : usually written with characters meaning ‘long valley’; habitational name from a place in Yamato (now Nara prefecture). Listed in the Shinsen shÅjiroku. Some bearers are descended from the Taira clan; they are found mainly in eastern Japan. Also pronounced Nagaya and Nagatani; the original pronunciation was Hatsuse, meaning ‘beginning of the strait’.
Girl/Female
Tamil
Swift
Boy/Male
Muslim/Islamic
Cure
Surname or Lastname
English
English : from Middle English pese ‘pea’, hence a metonymic occupational name for a grower or seller of peas, or a nickname for a small and insignificant person. The word was originally a collective singular (Old English peose, pise, from Latin pisa) from which the modern English vocabulary word pea is derived by folk etymology, the singular having been taken as a plural.Robert and John Pease came from Great Baddow, Essex, England, to Salem, MA, in 1634. In 1644 Robert died, leaving a son (also called Robert) who was apprenticed as a weaver in Salem. By 1646 John Pease was living on Martha’s Vineyard.
Girl/Female
Arabic, Australian, Hebrew, Indian, Kannada, Muslim, Sindhi
Salvation; Truthful; Healing; Friend; Live without Sickness; Purity; Recovery
Surname or Lastname
English
English : metonymic occupational name for a huntsman, or rather a nickname for an exceptionally skilled huntsman, from Middle English chase ‘hunt’ (Old French chasse, from chasser ‘to hunt’, Latin captare).Southern French : topographic name for someone who lived in or by a house, probably the occupier of the most distinguished house in the village, from a southern derivative of Latin casa ‘hut’, ‘cottage’, ‘cabin’.Thomas Chase came to MA from Chesham, Buckinghamshire, England, in the 1640s, and had many prominent descendants. Samuel Chase, born in Somerset Co., MD, in 1741, was one of the first members of the U.S. Supreme Court; Philander Chase, born in Cornish, NH, in 1741 was a prominent Episcopal clergyman, and his nephew Salmon Portland Chase (1808–73), also born in Cornish, was governor of OH, a U.S. senator, and secretary of the U.S. Treasury during the Civil War.
Boy/Male
American, Australian, British, Chinese, Christian, English, French
Huntsman; Hunter
Boy/Male
Anglo, Australian, British, English, Newzealand
Fast
Girl/Female
Indian
Teacher
Boy/Male
English American
Huntsman.
Boy/Male
Australian, Sindhi
Cure
Male
English
Middle English surname (of Norman French origin) transferred to forename use, CHASE means "hunter."Â
Girl/Female
Tamil
Phase, Time of day
Male
French
French form of Latin Stephanus, STÉPHANE means "crown."
Boy/Male
German
Chase; Hunt
Boy/Male
Anglo Saxon
Swift.
Girl/Female
Bengali, Gujarati, Hindu, Indian, Kannada, Malayalam, Marathi, Sindhi, Telugu
Phase; Time of Day
Surname or Lastname
English
English : nickname for a rapid runner, from Middle English swift ‘fleet’.Irish : Anglicization (part translation) of Gaelic Ó Fuada (see Foody).Americanized form of some like-sounding Jewish name.
Girl/Female
Indian, Telugu
A Phase of Life; Childhood
PHASE SHIFT-OSCILLATOR
PHASE SHIFT-OSCILLATOR
PHASE SHIFT-OSCILLATOR
PHASE SHIFT-OSCILLATOR
PHASE SHIFT-OSCILLATOR
PHASE SHIFT-OSCILLATOR
PHASE SHIFT-OSCILLATOR
n.
A particular appearance or state in a regularly recurring cycle of changes with respect to quantity of illumination or form of enlightened disk; as, the phases of the moon or planets. See Illust. under Moon.
n.
Any appearance or aspect of an object of mental apprehension or view; as, the problem has many phases.
n.
The liberty or franchise of having a chase; free chase.
p. pr. & vb. n.
of Shift
v. t.
To change the place of; to move or remove from one place to another; as, to shift a burden from one shoulder to another; to shift the blame.
v. t.
To exchange for another of the same class; to remove and to put some similar thing in its place; to change; as, to shift the clothes; to shift the scenes.
v. t.
To separate with a sieve, as the fine part of a substance from the coarse; as, to sift meal or flour; to sift powder; to sift sand or lime.
n.
A long passage for the admission or outlet of air; an air shaft.
v. i.
To give chase; to hunt; as, to chase around after a doctor.
n.
A brief expression, sometimes a single word, but usually two or more words forming an expression by themselves, or being a portion of a sentence; as, an adverbial phrase.
v. t. & i.
To cover or clothe with a shirt, or as with a shirt.
a.
Full of, or ready with, shifts; fertile in expedients or contrivance.
n.
The long handle of a spear or similar weapon; hence, the weapon itself; (Fig.) anything regarded as a shaft to be thrown or darted; as, shafts of light.
v. t.
The change of one set of workmen for another; hence, a spell, or turn, of work; also, a set of workmen who work in turn with other sets; as, a night shift.
pl.
of Phase
v. t.
To change the position of; to alter the bearings of; to turn; as, to shift the helm or sails.
v. i.
To group notes into phrases; as, he phrases well. See Phrase, n., 4.