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Electronic filter that is constructed with waveguide technology
A waveguide filter is an electronic filter constructed with waveguide technology. Waveguides are hollow metal conduits inside which an electromagnetic
Waveguide_filter
Class of electronic filter
waffle-iron filter is an example. These are the new class of highly tunable microwave filters. These special kinds of filters can be implemented on waveguides, SIW
RF_and_microwave_filter
Type of waveguide filter
waffle-iron filter is a type of waveguide filter used at microwave frequencies for signal filtering. It is a variation of the corrugated-waveguide filter but
Waffle-iron_filter
Device for suppressing part of a signal
class of technology. Waveguide filters consist of waveguide components or components inserted in the waveguide. Waveguides are a class of transmission line
Filter_(signal_processing)
Synthesis of audio using a digital waveguide
Digital waveguide models therefore comprise digital delay lines to represent the geometry of the waveguide which are closed by recursion, digital filters to
Digital_waveguide_synthesis
Structure that guides waves efficiently
A waveguide is a structure that guides waves by restricting the direction of transmission of energy. Common types of waveguides include acoustic waveguides
Waveguide
Hollow metal pipe used to carry radio waves
waveguide Radiation mode Radio propagation Radio wave Substrate-integrated waveguide Transmission medium Waveguide filter Waveguide flange Waveguide rotary
Waveguide_(radio_frequency)
Frequency response boundary
decays exponentially along the waveguide axis and the wave is thus evanescent. Full width at half maximum High-pass filter Miller effect Spatial cutoff
Cutoff_frequency
Class of signal processing filter
larger than the rest. The filter is especially useful in some waveguide applications. The filter is named after Yegor Ivanovich Zolotarev who, in 1868, introduced
Achieser–Zolotarev_filter
Device that allows bi-directional communication over a single path
systems include a duplexer. Duplexers can be based on frequency (often a waveguide filter), polarization (such as an orthomode transducer), or timing (as is
Duplexer
Transmission line-based electrical circuit
to the first widespread use of waveguide, extending the filter technology from the coaxial domain into the waveguide domain. The wartime work was mostly
Distributed-element_circuit
Filters which selectively transmit specific colors
substrate waveguide and a subwavelength grating or 2D hole array. Such filters are normally transparent, but when a leaky guided mode of the waveguide is excited
Optical_filter
Physical structure guiding light waves
fiber waveguides, transparent dielectric waveguides made of plastic and glass, liquid light guides, and liquid waveguides. Optical waveguides are used
Waveguide_(optics)
Loudspeaker using an acoustic horn
the QT waveguide was free from problems with apparent apex, making it arrayable as needed for public address purposes. Oblate spheroid waveguide (OSWG)
Horn_loudspeaker
Type of planar transmission line
Stripline Post-wall waveguide Telegrapher's equations Via fence Forman, Michael A. (2006). "Low-loss LIGA-fabricated coplanar waveguide and filter". 2006 Asia-Pacific
Coplanar_waveguide
Electronic circuit in which a signal entering any port exits at the next port
Optical circulators have similar behavior. Ports are where an external waveguide or transmission line, such as a microstrip line or a coaxial cable, connects
Circulator
Electromagnetic wave with oscillations perpendicular to the direction of travel
the waveguide. For example, a radio wave in a hollow metal waveguide must have zero tangential electric field amplitude at the walls of the waveguide, so
Transverse_mode
Type of electronic filter circuit
wavelengths is considered. Electronics portal RF and microwave filter Waveguide filter Spurline Power dividers and directional couplers Bahl, pp.290–293
Distributed-element_filter
Transmission lines with flat ribbon-like conducting or dielectric lines
the waveguide in much the same way as finline. A finline filter is able to implement patterns of arbitrary complexity whereas the metal insert filter is
Planar_transmission_line
Radio technology devices
with filter networks. The branch-line coupler described above can also be implemented in waveguide. One of the most common, and simplest, waveguide directional
Power dividers and directional couplers
Power_dividers_and_directional_couplers
Signal processing filter
physical modelling synthesis and digital waveguide synthesis. If the delay is set to a few milliseconds, a comb filter can model the effect of acoustic standing
Comb_filter
American electrical engineer (1914–2002)
II, differential pulse-code modulation (DPCM), and the corrugated-waveguide filter. He also played a key role in the development of the traveling wave
C._Chapin_Cutler
Waveguide formed by posts inserted in a dielectric substrate
substrate-integrated waveguide (SIW) (also known as post-wall waveguide or laminated waveguide) is a synthetic rectangular electromagnetic waveguide formed in a
Substrate-integrated waveguide
Substrate-integrated_waveguide
Method of physical modelling synthesis
simplest class of wavetable-modification algorithms now known as digital waveguide synthesis, because the delay line acts to store one period of the signal
Karplus–Strong string synthesis
Karplus–Strong_string_synthesis
Inductor used as a low-pass filter
cancel each other. Line reactor Waveguide choke - designed to enhance or inhibit propagation of specific modes in waveguides. Hood, John (2001). Valve & Transistor
Choke_(electronics)
Dielectric material designed to act as a resonator for radio waves
significance. They offered a size-reducing design alternative to bulky waveguide filters and lower-cost alternatives for electronic oscillator, frequency selective
Dielectric_resonator
Set of waveguides including a closed loop
resonator functions as a filter. Additionally, two or more ring waveguides can be coupled to each other to form an add/drop optical filter or to send light in
Optical_ring_resonators
Fifth-generation mobile telecommunications standard
at 3.4–4.2 GHz Mitigation uses low-noise block downconverters and waveguide filters. 5G and Wi-Fi 6E share the 6 GHz band, which enables efficient spectrum
5G
electromagnetic simulation for photonics Commercial AWR Analyst 3D antennas, waveguides, filters, PCBs Commercial AWR Axiem PCBs, multi-layer PCBs, LTCC, on-chip
List of computational physics software
List_of_computational_physics_software
Sound wave which travels along the surface of an elastic material
bulk waves), LC filters, and waveguide filters specifically at frequencies below 1.5-2.5 GHz depending on the RF power needed to be filtered. Complementing
Surface_acoustic_wave
Point of entry and exit of electrical energy to/from a circuit
be extended to waveguides, but the definition in terms of current is not appropriate and the possible existence of multiple waveguide modes must be accounted
Port_(circuit_theory)
Short electrical transmission line
waveguide connected at one end only. The free end of the stub is either left open-circuit, or short-circuited (as is always the case for waveguides)
Stub_(electronics)
Electrical component
often written as λ/4 impedance transformer, is a transmission line or waveguide used in electrical engineering of length one-quarter wavelength (λ), terminated
Quarter-wave impedance transformer
Quarter-wave_impedance_transformer
Type of electronic circuit
to the type of frequency selective filter they use in the feedback loop: In an RC oscillator circuit, the filter is a network of resistors and capacitors
Electronic_oscillator
American professor of music and audio signal processing
Research in Music and Acoustics (CCRMA). He is known for pioneering digital waveguide synthesis, a physical modeling technique adopted in commercial instruments
Julius_Smith
Optical filter
electrical filter analysis and design and bring it to bear on FSS structures. FSS filters are also easier to design than waveguide filters, since the
Frequency_selective_surface
Polynomials used in approximation theory
Achieser-Zolotarev filters. They were first used in this role in 1970 by Ralph Levy in the design of microwave waveguide filters. Achieser-Zolotarev filters are similar
Zolotarev_polynomials
Measure of change in amplitude and phase of a wave
wave) and TM wave (transverse magnetic wave). For example, in a hollow waveguide where the TEM wave cannot exist but TE and TM waves can propagate, k=ωc
Propagation_constant
Specialty of electronic engineering
electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic field principles to the design and
Radio-frequency_engineering
American electrical engineer (1887–1970)
networks throughout his career. During World War II he moved on to waveguide filters for use in the newly developed radar technology. Little was published
Otto_Julius_Zobel
Methods used to generate sound waveforms using a computer
junctions, etc. In these cases, digital waveguides are often combined with FDTD, finite element or wave digital filter methods, increasing the computational
Physical_modelling_synthesis
Receiving device on satellite dishes
original microwave frequency it would require an expensive and impractical waveguide line. The LNB is usually a small box suspended on one or more short booms
Low-noise_block_downconverter
Object detection system using radio waves
radar to detect targets. Some clutter may also be caused by a long radar waveguide between the radar transceiver and the antenna. In a typical plan position
Radar
and Eigenmode expansion (EME). For antenna/filter/IC packages, Radome, RFIC, MMIC, Antenna Placement, Waveguide (radio frequency), EMI, Frequency selective
Comparison of EM simulation software
Comparison_of_EM_simulation_software
Spectroscopic technique
laser line (Rayleigh scattering) is filtered out by either a notch filter, edge pass filter, or a band pass filter, while the rest of the collected light
Raman_spectroscopy
Design optimization methodology
low-fidelity and high-fidelity simulation spaces for the design of microwave waveguide filters," Archived 2019-09-21 at the Wayback Machine IEEE Trans. Microwave
Space_mapping
Electromagnetic frequencies ranging from 9 kHz to 300 GHz
Pulsed electromagnetic field therapy Radio astronomy Spectrum management Waveguide (radio frequency) Jessica Scarpati. "What is radio frequency (RF, rf)
Radio_frequency
Display device
through the partial mirror. A recent development in holographic-waveguide or "waveguide-based optics" allows a stereoscopic images to be superimposed on
3D_display
Audio effect
delay line (or simply delay line, also called delay filter) is a discrete element in a digital filter that allows a signal to be delayed by a number of
Digital_delay_line
Frequency to which a carrier wave is shifted during transmission or reception
signal in at the original microwave frequency would require an expensive waveguide. In receivers that can be tuned to different frequencies, a second reason
Intermediate_frequency
Phenomenon in optics
Guided-mode resonance or waveguide-mode resonance is a phenomenon wherein the guided modes of an optical waveguide can be excited and simultaneously extracted
Guided-mode_resonance
Alteration of the original shape of a signal
Can be found only in dispersive media. In a waveguide, phase velocity varies with frequency. In a filter, group delay tends to peak near the cut-off frequency
Distortion
Microchip manipulating light instead of electricity
chip includes low loss interconnect waveguides, power splitters, optical amplifiers, optical modulators, filters, lasers and detectors. These devices
Photonic_integrated_circuit
Conductor–ground plane electrical transmission line
microstrip compared with waveguide is the generally lower power handling capacity, and higher losses. Also, unlike waveguide, microstrip is typically
Microstrip
Broadband electromagnetic impulse
their lightning source without major attenuation in the Earth–ionosphere waveguide, and can be received thousands of kilometres from their source. On a time-domain
Radio_atmospheric_signal
Family of technologies that are used to transmit digital data over telephone lines
frequency bands for data transmission. On the customer premises, a DSL filter is installed on each telephone to prevent undesirable interaction between
Digital_subscriber_line
Discrete device in an electronic system
motors Enclosure (electrical) Heat sink Fan Printed circuit boards Lamp Waveguide Carbon amplifier (see Carbon microphones used as amplifiers) Carbon arc
Electronic_component
British audio equipment manufacturer
Gold Dome Tweeter with external magnet architecture and an optimised UD Waveguide. The advanced design delivers smooth, open high frequencies with exceptionally
Monitor_Audio
Overview of and topical guide to electrical engineering
Band-pass filter Band-stop filter Butterworth filter Chebyshev filter High-pass filter Kalman filter Low-pass filter Notch filter Sallen Key filter Wiener
Outline of electrical engineering
Outline_of_electrical_engineering
operation – Asynchronous start-stop – Atmospheric duct – Atmospheric waveguide – Attenuation – Audible ringing tone – Audio system measurements – Audiophile
Index_of_electronics_articles
Porous form of silicon dioxide
system waveguide as low as possible (see also humidity buffering). Excessive moisture buildup within a waveguide can cause arcing inside the waveguide itself
Silica_gel
sine theorem optical spectrum optical theorem optical tweezers optical waveguide optical window optics optoelectrofluidics optoelectronics optofluidics
Index_of_optics_articles
Loudspeaker enclosure design
("sensitivity") at low frequencies. The transmission line acts as an acoustic waveguide, and the internal filling material both reduces reflection and resonance
Transmission_line_loudspeaker
Dental equipment
to a reflector. The blue light is produced by a dichroic filter and directed by a waveguide. The light is temporarily switched on by pressing the trigger
Dental_curing_light
Synthesizer introduced in 2006
majority of methods used historically in other Korg synthesizers: digital waveguide synthesis Korg first used in the Korg Z1 and phase distortion synthesis
Korg_RADIAS
Slovak-Canadian engineer and physicist
ultrafast optical switches; integrated spectral filters; waveguide GRIN lenses; temperature-independent waveguides; mode converters and multiplexers; nanoantennas;
Pavel_Cheben
American optical engineer
Madsen is a 2004 Optica Fellow, honored "for contributions to optical waveguide circuit design and implementation, especially tunable dispersion compensators
Christi_Madsen
Cable or other structure for carrying radio waves
excessive, and waveguides are used instead, which function as "pipes" to confine and guide the electromagnetic waves. Some sources define waveguides as a type
Transmission_line
Type of distributed Bragg reflector constructed in a short segment of optical fiber
double-clad fiber there are two waveguides – the Yb-doped core that forms the signal waveguide and the inner cladding waveguide for the pump light. The inner
Fiber_Bragg_grating
Optical network component
thermo optic and beam-steering switches in planar waveguide circuits, and tunable optical filter technology. MEMS and liquid crystal technologies are
Reconfigurable optical add-drop multiplexer
Reconfigurable_optical_add-drop_multiplexer
Electrical circuit with equal-length transmission lines
the waveguide medium then open circuits are out of the question because there would be radiation out of the aperture so formed. For a high-pass filter the
Commensurate_line_circuit
Display that uses the light-modulating properties of liquid crystals
original on November 26, 2020. Retrieved September 24, 2020. "LCD optical waveguide device". Archived from the original on March 19, 2022. Retrieved September
Liquid-crystal_display
Family of L band early warning and ground-controlled interception radar systems
antenna from General Electric were known as the AN/FPS-20B. The slotted-waveguide antenna pictured above the AN/FPS-20 is for the associated IFF system
AN/FPS-20_Early_Warning_Radar
Cold War-era US Navy surface search and navigation radar
and Minesweepers. It is an I band radar and its antenna consists of two waveguide slotted arrays mounted back-to-back. One array provides linear polarisation
AN/SPS-55
American electrical engineer
microwave engineering including the design of microwave waveguides, resonators, and filters. She is a professor emerita of electrical and computer engineering
Kawthar_Zaki
French audio equipment manufacturer
for design and use of line source arrays. The WST uses a patented DOSC waveguide, which was the first high-frequency device capable of creating a rectangular
L-Acoustics
Optical device with parallel mirrors
Lummer–Gehrcke interferometer Gires–Tournois etalon Atomic line filter ARROW waveguide Distributed Bragg reflector Fiber Bragg grating Optical microcavity
Fabry–Pérot_interferometer
tangent, or based on waveguide cavities. Tunable RF bandpass filters offer a significant size reduction over switched RF bandpass filter banks. They can be
Radio-frequency microelectromechanical system
Radio-frequency_microelectromechanical_system
Assemblage of connected electrical elements
semi-lumped design. An example of a semi-lumped circuit is the combline filter. Sources can be classified as independent sources and dependent sources
Electrical_network
Electromagnetic radiation with wavelengths from 1 m to 1 mm
invented waveguide in 1936. Barrow invented the horn antenna in 1938 as a means to efficiently radiate microwaves into or out of a waveguide. In a microwave
Microwave
Physical property of allowing light
lossless.[citation needed] An optical fiber is a cylindrical dielectric waveguide that transmits light along its axis by the process of total internal reflection
Transparency_and_translucency
Two-port non-reciprocal network element
The symbol used to represent a gyrator in one-line diagrams (where a waveguide or transmission line is shown as a single line rather than as a pair of
Gyrator
Single-pulse radar system
RF wavefront is launched into both waveguide feedhorns. The RF signal from both feedhorns travels up the waveguide where the signals from the left and
Monopulse_radar
Measure of the electric polarizability of a dielectric, compared with that of a vacuum
shield. It can also be placed inside waveguides to form filters. Optical fibers are examples of dielectric waveguides. They consist of dielectric materials
Relative_permittivity
2019 mixed reality smartglasses
application created with the Unreal Game Engine. The HoloLens 2 are combination waveguide and laser-based stereoscopic and full-color mixed reality smartglasses
HoloLens_2
Type of radar equipment
Doppler radar sets relied on large analog filters to achieve acceptable performance. Analog filters, waveguide, and amplifiers pick up vibration like microphones
Doppler_radar
Periodic optical nanostructure that affects the motion of photons
proposed. This structure can act as a far-IR filter and can support low-loss surface plasmons for waveguide and sensing applications. 1D photonic crystals
Photonic_crystal
Component for guiding radio waves
An orthomode transducer (OMT) is a waveguide component that is commonly referred to as a polarisation duplexer. Orthomode is a contraction of orthogonal
Orthomode_transducer
Type of antenna
coaxial cable transmission line or waveguide. At the microwave frequencies used in many parabolic antennas, waveguide is required to conduct the microwaves
Parabolic_antenna
Light distribution
equilibrium mode [power] distribution of light travelling in an optical waveguide or fiber, is the distribution of light that is no longer changing with
Equilibrium_mode_distribution
Type of angular momentum in light
subwavelength holographic gratings, Non-Hermitian vortex lasers, and meta-waveguide OAM emitters. Determining the spin angular momentum (SAM) of light is
Orbital angular momentum of light
Orbital_angular_momentum_of_light
Electronic circuit structure
shield functional circuit units from each other, and to form the walls of waveguides integrated into a planar format. Via fences are cheap and easy to implement
Via_fence
Device used to route channels in optical communication systems
including thin film filters, fiber Bragg gratings with optical circulators, free space grating devices and integrated planar arrayed waveguide gratings. The
Optical_add-drop_multiplexer
Semiconductor laser
Fabry–Pérot resonator. Photons emitted into a mode of the waveguide will travel along the waveguide and be reflected several times from each end face before
Laser_diode
Logarithmic unit expressing the ratio of physical quantities
loss from a transmitter to a receiver through some medium (free space, waveguide, coaxial cable, fiber optics, etc.) using a link budget. The decibel unit
Decibel
Device which extracts info from a modulated radio frequency current or voltage
millimeter wave technology the terms detector and crystal detector refer to waveguide or coaxial transmission line components, used for power or SWR measurement
Detector_(radio)
Antiphase Aquamarine Power Arrayed waveguide grating Artificial wave Atmospheric diffraction Atmospheric wave Atmospheric waveguide Atom laser Atomic clock Atomic
Index_of_wave_articles
Instrument that measures the network parameters of electrical networks
as waveguide which contain a known through mismatch and attenuations. The Flann verification kit includes 5 mismatches using a decrease in waveguide height
Network_analyzer_(electrical)
Type of artificial sheet material
integrated with optical waveguides for controlling guided electromagnetic waves. Applications for meta-waveguides such as integrated waveguide mode converters
Electromagnetic_metasurface
Vacuum tube used to generate microwaves
accomplished by drilling a hole through a rectangular waveguide and shooting the beam through the hole. The waveguide then goes through two right angle turns, forming
Backward-wave_oscillator
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WAVEGUIDE FILTER
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WAVEGUIDE FILTER
WAVEGUIDE FILTER
WAVEGUIDE FILTER
WAVEGUIDE FILTER
WAVEGUIDE FILTER
WAVEGUIDE FILTER
WAVEGUIDE FILTER
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