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Electromagnetic frequencies ranging from 3 kHz to 300 GHz
Radio frequency (RF) is the oscillation rate of an alternating electric current or voltage or of a magnetic, electric or electromagnetic field or mechanical
Radio_frequency
Topics referred to by the same term
RF is an abbreviation for radio frequency. Rf or RF may also refer to: Red Faction (series), a series of revolution video games Rinforzando, rf, in music
RF_(disambiguation)
Family of 1950s jet fighter aircraft
some time. Along with the USAF's Lockheed U-2 and US Navy's Vought RF-8 Crusaders, the RF-101 reconnaissance variant of the Voodoo was instrumental during
McDonnell_F-101_Voodoo
Fighter aircraft family developed from 1958
(F-4E 1969 to 2004; RF-4C 1970 to 1971; RF-4E 1971 to 2004) Japan Japan Air Self-Defense Force (F-4EJ 1971 to 2021; RF-4E 1974 to 2020; RF-4EJ 1992 to 2020)
McDonnell Douglas F-4 Phantom II
McDonnell_Douglas_F-4_Phantom_II
Device which converts video signals to the format used by over-the-air RF broadcasts
An RF modulator (radio frequency modulator) is an electronic device used to convert signals from devices such as media players, VCRs and game consoles
RF_modulator
2004 video game
RF Online, originally named 'Rising Force', (Korean: 라이징 포스) is a 3D MMORPG developed by CCR. The first version of the game was released in South Korea
RF_Online
An RF probe is a device which allows electronic test equipment to measure radio frequency (RF) signal in an electronic circuit. In 1980 Reed Gleason and
RF_probe
1950 fighter-bomber aircraft
Thunderstreak is an American swept-wing turbojet-powered fighter-bomber. The RF-84F Thunderflash is variant of the F-84F that was designed for photo reconnaissance
Republic_F-84F_Thunderstreak
US lightweight low-cost fighter aircraft
Force. RF-5E Tigereye Single-seat reconnaissance version of the F-5E fighter. The RF-5E Tigereye was exported to Saudi Arabia and Malaysia. RF-5E Tigergazer
Northrop_F-5
Russian investment corporation
VEB.RF, or simply VEB (Russian: ВЭБ.РФ), is a Russian state development corporation and investment company. It was the Russian successor entity of the
VEB.RF
Standardized psychometric measure of psychopathology and personality
An alternative version of the test, the MMPI-2 Restructured Form (MMPI-2-RF), published in 2008, retains some aspects of the traditional MMPI assessment
Minnesota Multiphasic Personality Inventory
Minnesota_Multiphasic_Personality_Inventory
Electrical connector designed to work at radio frequencies
An RF connector (radio frequency connector) is an electrical connector designed to work at radio frequencies in the multi-megahertz range. RF connectors
RF_connector
Spectre RF technology, an option to the Spectre Circuit Simulation Platform from Cadence, provides RF analyses for the design and verification of RFIC
Spectre_RF_Option
Mirrorless camera lens mount
The Canon RF lens mount is an interchangeable-lens mount developed by Canon for its full-frame mirrorless interchangeable-lens cameras, and featured first
Canon_RF_lens_mount
Cascade of electronic components
An RF chain is a cascade of electronic components and sub-units which may include amplifiers, filters, mixers, attenuators and detectors. It can take many
RF_chain
Electronic device to transmit and receive RF signals
An RF module (short for radio frequency module) is a (usually) small electronic device used to transmit and/or receive radio signals between two devices
RF_module
Signal routing device
An RF switch or microwave switch is a device to route high frequency signals through transmission paths. RF (radio frequency) and microwave switches are
RF_switch
Lightweight convertible sports car
the roof mechanism. The MX-5 RF uses the same engines as the standard model and offers similar performance. The MX-5 RF also introduced a new 'Machine
Mazda_MX-5_(ND)
1955 naval fighter aircraft by Vought
photo-reconnaissance aircraft – V-392. F8U-1P (RF-8A) – unarmed photo-reconnaissance version of F8U-1E, 144 built. RF-8G – modernized RF-8As. LTV V-1000 – A vastly reworked
Vought_F-8_Crusader
Topics referred to by the same term
RF-5 may refer to one of the following: Reconnaissance modifications of F-5 Freedom Fighter (RF-5A, RF-5E, RF-5S) Rot-Front-5, a 1934 Rot Front glider
RF-5
American WWII-era fighter aircraft
with "RF-;" Mustang variants still in service in the USAF or Air National Guard (ANG) when the system was changed included: F-51B, F-51D, F-51K, RF-51D
North_American_P-51_Mustang
American fantasy writer (born 1996)
"RF Kuang: 'I won't be writing a novel like Yellowface again'". The Observer. Specter, Emma (August 28, 2025). "With Her Latest Novel, Katabasis, R.F.
R._F._Kuang
Specialty of electronic engineering
Radio-frequency (RF) engineering is a subset of electrical engineering involving the application of transmission line, waveguide, antenna, radar, and electromagnetic
Radio-frequency_engineering
Russian intelligence agency
applied to non-staff personnel (i.e., agents, informants, or cooptees.) SVR RF is the official foreign-operations successor to many prior Soviet-era foreign
Foreign Intelligence Service (Russia)
Foreign_Intelligence_Service_(Russia)
Type of electronic amplifier
(RF power amplifier) is a type of electronic amplifier that converts a low-power radio-frequency (RF) signal into a higher-power signal. Typically, RF
RF_power_amplifier
radio-frequency (RF) functionality. RF functionality can be implemented using a variety of RF technologies. Besides RF MEMS technology, III-V compound semiconductor
Radio-frequency microelectromechanical system
Radio-frequency_microelectromechanical_system
Type of electromagnetic radiation
an RF electromagnetic field is power density. Power density is most accurately used when the point of measurement is far enough away from the RF emitter
Radio_wave
1953 fighter aircraft family
various models were lost over Vietnam. Several F-100As were rebuilt into RF-100A aerial reconnaissance aircraft. Several F-100Fs were modified into electronic
North American F-100 Super Sabre
North_American_F-100_Super_Sabre
Disturbance in an electrical circuit due to external sources of radio waves
exclusively via I/O cables; RF noise gets onto the power planes and is coupled to the line drivers via the VCC and GND pins. The RF is then coupled to the
Electromagnetic_interference
French motor glider, 1963
Fournier RF-3 is a single-seat motor glider designed by René Fournier and first flown in 1960. Fournier produced the Volkswagen-powered RF-1 single-seat
Fournier_RF_3
Family of US fighter aircraft
Taiwan had built up an impressive fighter force, with 320 F-86Fs and seven RF-86Fs having been delivered. Sabres and MiGs were shortly to battle each other
North_American_F-86_Sabre
Light Aerosani used in the second world war
The RF-8, or GAZ-98, was an aerosan used by the Soviet Union during the Second World War and developed by Gorki Narkorechflota. The GAZ-98K was a version
RF-8
The Rollei 35 RF is a version of the Cosina Voigtländer Bessa R2 marketed by Rollei Fototechnic, but manufactured by Cosina, and released in 2002. Like
Rollei_35_RF
Currency of the Maldives
1983 in denominations of Rf. 2, Rf. 5, Rf. 10, Rf. 20, Rf. 50 and Rf. 100. Rf. 500 banknotes were added in 1990, with the Rf. 2 replaced by a coin in
Maldivian_rufiyaa
Radio receiver subsystem
In a radio receiver, the RF front end or radio frequency front end is the circuitry between the antenna input up to and including the mixer stage. It consists
RF_front_end
First jet aircraft in U.S. operational service
tiptanks; major P-80 production version. RF-80C 70 modified F-80A and F-80C, and six modified RF-80A, to RF-80C and RF-80C-11, respectively; upgraded photo
Lockheed_P-80_Shooting_Star
Electronic tracking technology
toll device. The basic Cardullo patent covers the use of radio frequency (RF), sound and light as transmission carriers. The original business plan presented
Radio-frequency identification
Radio-frequency_identification
The national flag of Russia is a tricolour of three equal horizontal bands: white on the top, blue in the middle, and red on the bottom. The design was
Flag_of_Russia
Revolver
LATEK Safari RF (Сафарі РФ) is a line of revolvers in 4mm Flobert Long caliber produced by the Ukrainian company LATEK LLC. The first versions were introduced
LATEK_Safari_RF
Family of short-range to long-range surface to air missile systems
and Hisar-O is infrared homing. The model using RF Seeker, Hisar O+ RF, and its naval version, Hisar-D RF, were announced later. The long range version
Hisar_(missile_family)
An RF switch matrix is an array of RF switches arranged to route radio frequency (RF) signals between multiple inputs and multiple outputs. Applications
RF_switch_matrix
Integrated circuit technology
RF CMOS is a metal–oxide–semiconductor (MOS) integrated circuit (IC) technology that integrates radio-frequency (RF), analog and digital electronics on
RF_CMOS
Radio frequency transceiver microchip
The field-programmable RF (FPRF) is a class of radio frequency transceiver microchip that mimics the concept of an FPGA (field programmable gate array)
Field-programmable_RF
In the context of mobile radio communication systems, RF planning is the process of assigning frequencies, transmitter locations and parameters to a wireless
RF_planning
German/French motor glider, 1966
The Fournier RF 4 is a single-seater motor glider designed by René Fournier [fr] in 1966. It is an aerobatic version of the Fournier RF 3. Conceived as
Fournier_RF_4
First generation diesel-electric locomotive
The BLH RF-16 is a 1,625-horsepower (1,212 kW) cab unit-type diesel locomotive built for freight service by the Baldwin-Lima-Hamilton Corporation between
Baldwin_RF-16
Non-U.S. nations that operate(d) the McDonnell Douglas F-4 Phantom II
"Immelmann" equipped with the RF-4, followed by AG 52, based at Leck. The West German RF-4E was equipped similarly to the USAF RF-4Cs, using the latest F-4E
McDonnell Douglas F-4 Phantom II non-U.S. operators
McDonnell_Douglas_F-4_Phantom_II_non-U.S._operators
F-4Bs converted into unmanned supersonic target drones; 25 converted. F4H-1P (RF-4B) Tactical reconnaissance version of F-4B for United States Marine Corps
List of McDonnell Douglas F-4 Phantom II variants
List_of_McDonnell_Douglas_F-4_Phantom_II_variants
Class of electronic filter
Radio frequency (RF) and microwave filters represent a class of electronic filter, designed to operate on signals in the megahertz to gigahertz frequency
RF_and_microwave_filter
American semiconductor company
RF Micro Devices (also known as RFMD or RF Micro), was an American company that designed and manufactured high-performance radio frequency systems for
RF_Micro_Devices
Using conductive or magnetic materials to reduce electromagnetic field intensity
Electromagnetic shielding that blocks radio frequency (RF) electromagnetic radiation is also known as RF shielding. Practical field measurements in residential
Electromagnetic_shielding
French / German touring motor glider, 1977
The Fournier RF-9 is a two-seat motorglider of conventional sailplane configuration. Originally produced in France, manufacturing was later taken over
Fournier_RF-9
US Air Force supersonic fighter-bomber
was conceived of as an internal project to produce a replacement for the RF-84F Thunderflash, which first used the characteristic wing-root air intakes
Republic_F-105_Thunderchief
35 mm rangefinder camera
The Konica Hexar RF is a 35 mm rangefinder camera which was sold by Konica. It was introduced to the market on 13 October 1999. and subsequently discontinued
Konica_Hexar_RF
RF shielding for MRI rooms is necessary to prevent noise of radio frequency from entering into the MRI scanner and distorting the image. The three main
MRI_RF_shielding
Rimfire rifle cartridge
rifle, which became the standard firearm for both countries. The 12.17×42mm RF rimfire round was developed by a joint Swedish-Norwegian arms commission quite
12.17×42mm_RF
Electrical resonant transformer circuit invented by Nikola Tesla
Tesla coil circuit (L1,L2), called a resonant transformer or radio-frequency (RF) transformer, functions on different principles to transformers used in AC
Tesla_coil
RF Engines Limited of Newport, Isle of Wight, UK was founded in 1999. RF Engines (RFEL) develops products based on high performance, digital signal processing
RF_Engines
German touring motor glider, 1968
The Fournier RF 5 is a two-seat motor glider designed by René Fournier [fr] . The RF 5 is based on the single seater Fournier RF 4, and is a low-winged
Fournier_RF_5
Small radar mapper on the Lunar Reconnaissance Orbiter
The Miniature Radio-Frequency instrument (Mini-RF) is a synthetic aperture radar (SAR) instrument on the Lunar Reconnaissance Orbiter (LRO), which is currently
Mini-RF
includes RF power sensors, RF power meters, wattmeters, vector network analyzers, spectrum analyzers, antenna and cable testers, attenuators, RF terminations
Bird_Technologies
Sport touring motorcycles
The Suzuki RF series are sport touring motorcycles. They came with three engine variations: 400 cc (24 cu in), 600 cc (37 cu in) and 900 cc (55 cu in)
Suzuki_RF_series
Ruling party of Rhodesia (1965–1979)
The Rhodesian Front (RF) was a white supremacist political party in Southern Rhodesia, subsequently known as Rhodesia. Formed in March 1962 by white Rhodesians
Rhodesian_Front
Type of radio receiver
radio receiver that uses heterodyning to convert incoming radio-frequency (RF) signals to a fixed intermediate frequency (IF). The signal is then amplified
Superheterodyne_receiver
Military interdictor and tactical strike aircraft
problems. During 1979 and 1980 four of these aircraft were converted to the RF-111C reconnaissance variant. Four ex–United States Air Force (USAF) F-111As
General_Dynamics_F-111C
American radio signal analytics company
The company specializes in the collection and analysis of radio frequency (RF) signal location data using a constellation of satellites. HawkEye 360 was
HawkEye_360
Topics referred to by the same term
The term RF-5B may refer to: Fournier RF 5, a French motorglider design Northrop F-5, the reconnaissance version of the American fighter aircraft design
RF-5B
Topics referred to by the same term
Rf factor may refer to: Retardation factor, a variable measured in chromatography Rheumatoid factor, an autoantibody commonly associated with rheumatoid
Rf_factor
Physical model of propagating energy
although the latter does not strictly qualify as EM radiation) and modulated RF and microwave fields can have biological effects, though the significance
Electromagnetic_radiation
radiation, which does not exist for RF Monitors. Monitors are also separated by "RF Monitors" that simply measure fields and "RF Personal Monitors" that are designed
Personal_RF_safety_monitor
Optical diode invented by Jun-Ichi Nishizawa
low to high RF resistance. Diodes are sold commercially in a variety of geometries for specific RF bands and uses. PIN diodes are useful as RF switches,
PIN_diode
name] SR connector (from Russian: Cоединитель Pадиочастотный) is a Russian RF connector, based on the BNC connector and which comes in a 50 Ω and 75 Ω versions
List_of_RF_connector_types
Heating using radio waves
heating, and high-frequency heating, is the process in which a radio frequency (RF) alternating electric field, or radio wave or microwave electromagnetic radiation
Dielectric_heating
A RF distribution amplifier is a high−performance distribution amplifier for analog RF signals. It takes one RF signal and carries it to multiple identical
RF_distribution_amplifier
Camera lens manufactured by Canon
for the current EF lens mount used on all Canon EOS SLR cameras and for the RF mount used on mirrorless interchangeable-lens cameras. Canon L series lenses
Canon_L_lens
Railroad line between Virginia and Washington, DC
The RF&P Subdivision is a railroad line operated by CSX Transportation and jointly owned by CSX and Virginia. It runs from Washington, D.C., to Richmond
RF&P_Subdivision
Device used to control other devices remotely
matte transparent object in front of the receiver. Radio remote control (RF remote control) is used to control distant objects using a variety of radio
Remote_control
British unit supporting the French Resistance in WW2
who supported de Gaulle and those who did not. To keep these camps apart, RF Section (pro-Gaullists) was mooted in late 1940 and came into being in early
SOE_RF_Section
Semi-automatic rifle
The Radical Firearms RF-15 is an AR-15–style rifle assembled in Stafford, Texas, U.S. by Radical Firearms, originally released in 2016 at SHOT Show. Marketed
Radical_Firearms_RF-15
Room designed to be completely echo free
anechoic chambers. Recently, the term has been extended to radio frequency (RF) anechoic chambers, which eliminate reflection and external noise caused by
Anechoic_chamber
Separate-troops branch of the Russian Armed Forces
The Strategic Rocket Forces of the Russian Federation (RVSN RF) is a separate combat arm of the Russian Armed Forces that controls Russia's land-based
Strategic_Rocket_Forces
British Antarctic explorer (1868–1912)
the murder of animals which possess such intelligence and individuality" RF Scott The Voyage of the Discovery Vol I, Smith Elder & Co, London 1905, p
Robert_Falcon_Scott
Spinal fiber
constituent, 200kDa, that is present in both RF and cerebrospinal fluid, CSF. One of the most important RF-glycoproteins secreted by the SCO has been named
Reissner's_fiber
Chemical element with atomic number 104 (Rf)
Rutherfordium is a synthetic chemical element; it has symbol Rf and atomic number 104. It is named after physicist Ernest Rutherford. As a synthetic element
Rutherfordium
RF microwave CAE CAD is computer-aided design (CAD) using computer technology to aid in the design, modeling, and simulation of an RF (Radio Frequency)
RF_microwave_CAE_CAD
Metric for rating the efficiency of a power amplifier
{P_{OUT}^{RF}}/{P_{IN}^{DC}}} PAE will be very similar to efficiency when the gain of the RF power amplifier is sufficiently high such that a low RF input
Power-added_efficiency
Fraction of an analyte in chromatography
RF is defined as the ratio of the distance traveled by the center of a spot to the distance traveled by the solvent front. Ideally, the values for RF
Retardation_factor
4 artworks: RF 1964–33, RF 1964-32 (IDs) Juan de Arellano (1614–1676), 1 artwork: RF 411 (ID) Arent Arentsz (1585–1631), 1 artwork: RF 1163 (ID) Jacques
Catalog of paintings in the Louvre Museum
Catalog_of_paintings_in_the_Louvre_Museum
Autoantibody found in rheumatoid arthritis
Rheumatoid factor (RF) is the autoantibody that was first found in rheumatoid arthritis. It is defined as an antibody against the Fc portion of IgG; different
Rheumatoid_factor
Chinese RF Chip Company
in the field of radio frequency (RF). It focuses on RF front end design for RF switches, RF low-noise amplifiers and RF filters. Maxscend was founded in
Maxscend_Microelectronics
Device for electrically amplifying the power of an electrical radio frequency signal
A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.) is a device for electrically amplifying the power of an electrical radio frequency signal.
Valve_RF_amplifier
Rugby team
Göteborg RF is a Swedish rugby union team in Gothenburg, Sweden. They currently play in Allsvenskan South. The club was founded in 2007 by the amalgamation
Gothenburg_Rugby_Club
Railroad company in Virginia, later part of CSX
track is now the RF&P Subdivision of the CSX Transportation system; the original corporation is no longer a railroad company. The RF&P was a bridge line
Richmond, Fredericksburg and Potomac Railroad
Richmond,_Fredericksburg_and_Potomac_Railroad
Delaware and Hudson 1205 and 1216 are two Baldwin RF-16 "Sharknose" locomotives originally built for the New York Central Railroad in 1951 and 1952. They
Delaware and Hudson 1205 and 1216
Delaware_and_Hudson_1205_and_1216
Technique used to attain a high quality factor in resonant cavities
absence of electrical resistivity in a superconducting material allows an RF resonator to obtain an extremely high quality factor, Q. For example, it is
Superconducting radio frequency
Superconducting_radio_frequency
South African rugby union player
RF Schoeman (born 13 August 2003) is a South African rugby union player, who plays for the Lions and Golden Lions. His preferred position is prop. Schoeman
RF_Schoeman
Electromagnetic spectrum, 3 Hz – 3000 GHz
Leonid A. Belov; Sergey M. Smolskiy; Victor N. Kochemasov (2012). Handbook of RF, Microwave, and Millimeter-Wave Components. Artech House. pp. 27–28. ISBN 978-1-60807-209-5
Radio_spectrum
Camera lens
The RF 70–200mm lenses are a group of telephoto zoom full-frame lenses made by Canon. The lenses have an RF mount to work with the R line of cameras.
Canon_RF_70–200mm_lens
Reciprocating internal combustion engine
The RF is light, with the original naturally aspirated version weighing in at 146 kg (322 lb), 10 kg (22 lb); more than the FE. The RF The RF and R2
Mazda_diesel_engines
1955 Swedish fighter aircraft
initially, 5 later) F-35 Draken (pre-WDNS) RF-35 Draken (pre-WDNS) TF-35 Draken (pre-WDNS) F-35 Draken (post-WDNS) RF-35 Draken (post-WDNS) TF-35 Draken (post-WDNS)
Saab_35_Draken
RF
RF
Female
English
Anglicized form of Irish Gaelic Órfhlaith, ORLAGH means "gold-princess."
Female
Irish
Variant spelling of Irish Gaelic Órfhlaith, ÓRLAITH means "gold-princess."
Female
English
Anglicized form of Irish Gaelic Órfhlaith, ORLA means "gold-princess."
Surname or Lastname
English and French
English and French : from an Anglo-Norman French form of the Old Norse personal name þórfinnr, composed of the elements þórr, the name of the god of thunder in Scandinavian mythology (see Thor) + the ethnic name Finnr ‘Finn’. This may have absorbed another name, Turpius, Turpinus (from Latin turpis ‘ugly’, ‘base’), one of the self-abasing names adopted as a mark of humility by the early Christians. It was borne by the archbishop of Rheims in the Charlemagne legend.A Turpin of unknown geographic origin is documented in Montreal in 1681.
RF
RF
Female
Native American
Native American Hopi name CHOCHMINGWU means "corn mother."
Biblical
who sucks, or lives on milk
Surname or Lastname
English
English : topographic name from Middle English hanger, hangre ‘wood on a steep hillside’, or habitational name from a place named with this word, as for example Hanger in Netley Marsh, Hampshire.
Girl/Female
Hindu, Indian
Roman Goddess of Dawn
Surname or Lastname
English
English : occupational name for someone employed in the pantry of a great house or monastery, from Middle English spense ‘larder’ + the agent suffix -er.
Boy/Male
Hindu
King
Surname or Lastname
English
English : unexplained; probably a habitational name from a lost or unidentified place. The surname (together with the variant Birdseye) was brought to CT from England in the 17th century.
Boy/Male
Hindu
Lover
Boy/Male
Scottish
From the hill of the sacred bough.
Boy/Male
Biblical
Peace; or perfection; of the Lord.
RF
RF
RF
RF
RF
n.
Endeavor; rffort; tendency.
a.
Increasing; strengthening; -- a direction indicating a sudden increase of force (abbreviated rf., rfz.) Cf. Forzando, and Sforzando.