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Amplifier applied on high frequency signals coming from an antenna
In electronics, an antenna amplifier (also: aerial amplifier or booster) is a device that amplifies an antenna signal, usually into an output with the
Antenna_amplifier
Type of electronic amplifier
signal. Typically, RF power amplifiers are used in the final stage of a radio transmitter, their output driving the antenna. Design goals often include
RF_power_amplifier
Device that transmits and receives radio waves
directionality. Antenna "gain" describes the concentration of radiated power into a particular solid angle of space. Unlike amplifier gain, which generally
Antenna_(radio)
Electronic amplifier that converts weak signal into strong signal
masthead amplifier used with television receiver antenna (For a receiver far from the antenna, it amplifies the signal and noise from the antenna, reducing
Preamplifier
Signal amplifier that doesn't significantly degrade the signal-noise ratio
A low-noise amplifier (LNA) is an electronic component that amplifies a very low-power signal without significantly degrading its signal-to-noise ratio
Low-noise_amplifier
Type of bi-directional amplifier
donor antenna that receives and transmits signal from nearby cell towers, coaxial cables, a signal amplifier, and an indoor rebroadcast antenna.[citation
Cellular_repeater
truck loading systems Autogas: LPG when used as a vehicle fuel AVT: Antenna Amplifier Tuner AWD: All Wheel Drive BSM: Blind spot monitor CAB 1493: California
Automotive acronyms and abbreviations
Automotive_acronyms_and_abbreviations
Antenna consisting of two rod-shaped conductors
and telecommunications, a dipole antenna or doublet is one of the two simplest and most widely used types of antenna; the other is the monopole.[full
Dipole_antenna
Device used to simulate an electrical load
purposes. In radio a dummy antenna is connected to the output of a radio transmitter and electrically simulates an antenna, to allow the transmitter to
Dummy_load
Cable or conductor connecting a radio transmitter to an antenna
In a transmitter, the antenna feed is considered to be all components between the transmitter's final amplifier and the antenna's feedpoint. In a receiver
Antenna_feed
US military aircraft defensive ECM system
LRU-6: Antenna Amplifier / Receiver Converter – Quadrant amplifier / blade amp assemblies for receive/transmit conversion; mid/high-band amplifier converters
AN/ALQ-172
equipment for reception or transmission, like e.g. RF power amplifiers. Beam waveguide antennas are used in large radio telescopes and satellite communication
Beam_waveguide_antenna
radio-frequency (RF) signal from the antenna and the lower (baseband) audio or video frequency that the receiver is recovering. IF amplifiers in heterodyne receivers
Intermediate-frequency amplifier
Intermediate-frequency_amplifier
Type of electronic amplifier
A valve amplifier or tube amplifier is a type of electronic amplifier that uses vacuum tubes to increase the amplitude or power of a signal. Low to medium
Valve_amplifier
Electronic circuit
watts will be amplified to 2,000 watts (2 kW) output to the antenna. Solid state linear amplifiers are more common in the 1000-watt range and can be driven
Linear_amplifier
Ability of a circuit to increase the power or amplitude of a signal
electronics, gain is a measure of the ability of a two-port circuit (often an amplifier) to increase the power or amplitude of a signal from the input to the
Gain_(electronics)
Historic Swedish wireless telegraphy station
power (3 kW DC). The antenna resonant circuit essentially consists of the antenna (I), a transformer (D) and a magnetic amplifier (G). As usual in electric
Grimeton_Radio_Station
Global satellite telecommunications company
Atlantic Anomaly in their 876-mile (1414 km) altitude orbits. The S-band antenna amplifier degradation does not affect adversely the Company's one-way "Simplex"
Globalstar
Device for receiving radio transmissions
radio-frequency signal from other signals picked up by the antenna, an electronic amplifier to increase the signal power for further processing, and finally
Radio_receiver
Microwave signal amplifier
A traveling-wave tube (TWT, pronounced "twit") or traveling-wave tube amplifier (TWTA, pronounced "tweeta") is a specialized vacuum tube that is used
Traveling-wave_tube
American electronics manufacturer
$12 million of antennas annually by 1954 and had expanded its product line in the 1960s to include transistorized pre-amplifiers along with antenna rotors. The
Channel_Master
Type of electronic amplifier using a bipolar junction transistor
common-emitter amplifier is one of three basic single-stage bipolar-junction-transistor (BJT) amplifier topologies, typically used as a voltage amplifier. It offers
Common_emitter
Array of antennas creating a steerable beam
In antenna theory, a phased array usually means an electronically scanned array, a computer-controlled array of antennas which creates a beam of radio
Phased_array
Antenna used with a television to receive television programs
A television antenna, also called a television aerial (in British English), is an antenna specifically designed for use with a television receiver (TV)
Television_antenna
Antenna for digital signal reception
DVB-T signals with a small in-house antenna or a relative small outside antenna. The amplifier, built into the antenna, receives it power supply via the
Digital active signal collector
Digital_active_signal_collector
System for distributing television signals
consists of a master antenna and a matching transformer to match the balanced antenna with unbalanced cable and amplifiers. Most antennas have an impedance
SMATV
Electric circuit added to biological signal amplifiers
is often added to biological signal amplifiers to reduce common-mode interference. Biological signal amplifiers such as ECG (electrocardiogram), EEG
Driven_right_leg_circuit
Land mobile radio system
using SSB. Illegal amplifiers to increase range are common.[citation needed] CB radios using an omni-directional vertical antenna typically have a range
Citizens_band_radio
Connector used to connect a coaxial cable to a TV, satellite receiver, or other devices
cables with each other and with terrestrial VHF/UHF roof antennas, antenna signal amplifiers, CATV distribution equipment, TV sets and FM / DAB-radio
TV_aerial_plug
Tower Mounted Amplifier (TMA), or Mast Head Amplifier (MHA), is a low-noise amplifier (LNA) mounted as close as practical to the antenna in mobile masts
Tower_Mounted_Amplifier
Network of spatially separated antennas connected to a common source
interference. A distributed antenna system can be implemented using passive splitters and feeders, or active-repeater amplifiers can be included to overcome
Distributed_antenna_system
Telecommunications device
An antenna tuner, a matchbox, transmatch, antenna tuning unit (ATU), antenna coupler, or feedline coupler is a device connected between a radio transmitter
Antenna_tuner
Electromagnetic radiation with wavelengths from 1 m to 1 mm
("dish") antennas are the most widely used directive antennas at microwave frequencies, but horn antennas, slot antennas and lens antennas are also used
Microwave
Object detection system using radio waves
signals captured by the receiving antenna are usually very weak. They can be strengthened by electronic amplifiers. More sophisticated methods of signal
Radar
Electronic musical instrument
usually consists of two metal antennas that function not as radio antennas but rather as position sensors. Each antenna forms one half of a capacitor
Theremin
Radio signal filtering device
least one RF amplifier, which has power limits ("dynamic range"). Most radios' front ends amplify all radio frequencies delivered to the antenna connection
Preselector
Level of noise power introduced by a component or source
at the antenna input terminals if the receiver system were perfect and created no noise. In other words, it is a cascaded system of amplifiers and losses
Noise_temperature
device types include a RET (actuator tilting antenna beam electronically), a TMA (Tower Mounted Amplifier), a GLS (Geographic Location Sensor) or an ASD
Antenna Interface Standards Group
Antenna_Interface_Standards_Group
Class of large multielement directional wire radio transmitting antennas
wire antennas, used in the short-wave radio bands. They constitute a type of reflective array antenna, consisting of multiple wire dipole antennas, suspended
Curtain_array
30–300 kHz range of the electromagnetic spectrum
antennas: A short whip with a built-in pre-amplifier. Due to the long wavelengths in the band, nearly all LF antennas are electrically short, shorter than one
Low_frequency
Method used in wireless telecom products
Virtual Antenna Mapping (VAM) is used in wireless telecom networks. Typically when MIMO is deployed using two power Amplifier for two transmit antennae
Virtual_Antenna_Mapping
Third generation of Subaru Legacy
the key is inserted into the ignition barrel and switched on, an antenna amplifier (positioned around the ignition barrel) reads the transponder code
Subaru Legacy (third generation)
Subaru_Legacy_(third_generation)
Logarithmic unit expressing the ratio of physical quantities
acoustics, in electronics and control theory. In electronics, the gains of amplifiers, attenuation of signals, and signal-to-noise ratios are often expressed
Decibel
Electrical circuit
from the antenna, is the output for the DC power. This front-end of a bias "T" typically consists of a bandpass filter, a low noise amplifier, and a mixer
Bias_tee
Manufacturer of hardware for communications networks
development of wireless communication technologies. Products include antennas, cables, amplifiers, repeaters, transceivers, as well as software and training for
Andrew_Corporation
Directional variation in strength of radio waves
antenna elements – active antennas that incorporate amplifiers or other individually powered components are not reciprocal. And even when the antenna
Radiation_pattern
800 MHz band, may cause limiting or clipping, that is due to overdrive in antenna amplifiers and/or DTT tuners in e.g. flat panels, set top boxes, USB-tuners and
800_MHz_frequency_band
using only a normal black-and-white TV receiver, a directional antenna and an antenna amplifier. It is even possible to pick up information from some types
Computer security compromised by hardware failure
Computer_security_compromised_by_hardware_failure
Amplifier consisting of two or more simple amplifiers connected in series
A multistage amplifier is an electronic amplifier consisting of two or more single-stage amplifiers connected together. In this context, a single stage
Multistage_amplifier
Changing the direction of the main lobe of a radiation pattern
pattern of an antenna below (or above) the horizontal plane. In radio and radar systems, beam steering may be accomplished by switching the antenna elements
Beam_steering
Microphone design
to a recipient. In public address systems it is amplified by an audio amplifier. The frequency response of most carbon microphones, however, is limited
Carbon_microphone
Radio receiver subsystem
RF front end or radio frequency front end is the circuitry between the antenna input up to and including the mixer stage. It consists of all the components
RF_front_end
the Master Oscillator-Power Amplifier (MOPA) configuration inserts an amplifier stage between the oscillator and the antenna. This prevents changes in the
Radio_transmitter_design
Radio Communications System
depending on which antenna configuration was used. A VRC321 station with the addition of a 300 Watt peak envelope power (PEP) linear amplifier (ARF 250W) and
Clansman_(military_radio)
Austrian-born inventor, physicist and architect
Parametric Amplifier (issued December 5, 1961) Parallel High Frequency Amplifier Circuits (issued February 15, 1962) Scanning Horn-Reflector Antenna (issued
Rudolf_Kompfner
Television content transmitted via signals on coaxial or fibre-optic cable
is transmitted over-the-air by radio waves and received by a television antenna; and with satellite television, wherein a communications satellite transmits
Cable_television
Audio bug to spy on US embassy in Moscow
covert listening devices based on a dipole antenna with a detector diode and a small microphone amplifier. The devices were developed under the Easy Chair
The_Thing_(listening_device)
Property that an increasing voltage results in a decreasing current
ports. Masers and parametric amplifiers are extremely low noise NR amplifiers that are also implemented as reflection amplifiers; they are used in applications
Negative_resistance
Artificial satellite that relays radio signals
subsystems: Communication payload, normally composed of transponders, antennas, amplifiers and switching systems Engines used to bring the satellite to its
Communications_satellite
Electromagnetic spectrum 300–3000 MHz
receiving antennas. For television broadcasting specialized vertical radiators that are mostly modifications of the slot antenna or reflective array antenna are
Ultra_high_frequency
Topics referred to by the same term
multiplayer online role-playing games Mast Head Amplifier, an amplifier connected directly to a mobile antenna mast Mast (disambiguation) This disambiguation
Masthead
Signal processing technique for sensor arrays
transmission or reception. This is achieved by combining elements in an antenna array in such a way that signals at particular angles experience constructive
Beamforming
Harmonic oscillator whose parameters oscillate in time
signal, forming a parametric amplifier (paramp). Varactor parametric amplifiers were developed as low-noise amplifiers in the radio and microwave frequency
Parametric_oscillator
Type of radio used in wireless telecommunications networks
RF power amplifier (RFPA). Fourth generation (4G) and beyond infrastructure deployments will include the implementation of Fiber to the Antenna (FTTA) architecture
Remote_radio_head
Measurement of the direction from which a received signal was transmitted
source, although very long wavelengths (low frequencies) require very large antennas, and are generally used only on ground-based systems. These wavelengths
Direction_finding
Specialty of electronic engineering
lines, transmission line tuners, RF connectors Antennas, antenna theory Receivers, tuners Amplifiers Modulators, demodulators, detectors RF filters RF
Radio-frequency_engineering
Radio transmitter using nanotechnology
carbon atoms. The fundamental parts of a radio are the antenna, tuner, demodulator and amplifier. Carbon nanotubes are special in that they can function
Nanoradio
Electrical connector
of an amplifier. If standard 5-pin home audio cables were used the automatic antenna connector could also be used for remote starting an amplifier. Eventually
DIN_connector
Class of antennas
Metamaterial antennas are a class of antennas which use metamaterials to increase performance of miniaturized (electrically small) antenna systems. Their
Metamaterial_antenna
Simple radio receiver circuit for AM reception
an antenna, a coil of wire, a capacitor, a crystal detector, and earphones. However they are passive receivers, while other radios use an amplifier powered
Crystal_radio
Number used to evaluate the performance of an amplifier
chain. These figures of merit are used to evaluate the performance of an amplifier or a radio receiver, with lower values indicating better performance.
Noise_figure
Type of parabolic antenna with a convex secondary reflector
In telecommunications and radar, a Cassegrain antenna is a parabolic antenna in which the feed antenna is mounted at or behind the surface of the concave
Cassegrain_antenna
Relay station
station, with a directional antenna to receive the signal from the nearest cell tower, an amplifier, and a local antenna to rebroadcast the signal to
Repeater
Radio antenna
Malargüe Station (also known as DSA 3 or Deep Space Antenna 3) is a 35-metre ESTRACK radio antenna in Argentina. It enables the European Space Agency (ESA)
Malargüe_Station
Electrically conductive surface, usually connected to electrical ground
an antenna, to reflect the radio waves from the other antenna elements. In monopole antennas the ground plane is connected to one side of the antenna feedline
Ground_plane
Type of speakers sold for use with computers
for a shelf stereo or television. Most such speakers have an internal amplifier and consequently require a power source, which may be by a mains power
Computer_speakers
3–30 kHz range of the electromagnetic spectrum
consists of an audio amplifier of a few hundred watts, an impedance matching transformer, a loading coil and a large wire antenna. Receivers employ an
Very_low_frequency
Use of multiple antennas in radio
multiplies the capacity of a radio link using multiple transmit and receive antennas. MIMO has become a core technology for broadband wireless communications
MIMO
Swedish manufacturer of telecommunications systems and computers
- 1000W Solid State MOSFET Power Amplifier ATM 1000 - Automatic Antenna Coupler BBD-367 - HF Broadband Dipole Antenna Ra 200 - 8W HF Manpack Receiver-Transmitter
Standard_Radio_&_Telefon_AB
Measurement of the power in a radio signal
(IF) stage before the IF amplifier. In zero-IF systems, it is derived in the baseband signal chain, before the baseband amplifier. RSSI output is often a
Received signal strength indicator
Received_signal_strength_indicator
Electromagnetic wave range of 30–300 MHz
antenna. For television reception, the Yagi is used, as well as the log-periodic antenna due to its wider bandwidth. Helical and turnstile antennas are
Very_high_frequency
Television content transmitted via signals in the air
terrestrial (Earth-based) transmitter of a TV station to a TV receiver having an antenna. This type of TV broadcast is distinguished from newer technologies, such
Terrestrial_television
of a radio receiver which processes the radio frequency signal from an antenna in order to produce usable information such as audio. The complexity of
Radio_receiver_design
American radio equipment manufacturer
companies: Ameritron HF Amplifiers Hy-Gain Antennas and Rotators Mirage VHF/UHF Amplifiers Vectronics Cushcraft Amateur Antennas, an antenna manufacturer that
MFJ_Enterprises
Intracortical device designed to read the electrical signals of the brain
antenna. The amplifiers and the transmitters are powered by a 1 MHz induction signal that is rectified and filtered. The antenna, amplifiers, analog switches
Neurotrophic_electrode
Topics referred to by the same term
field antenna, a type of antenna for long and medium wave broadcasting Crossed-field amplifier, a specialized vacuum tube used as a microwave amplifier Current-feedback
CFA
Reduction in gain due to nonlinearity
compressed and the harmonics picking up. A low-noise RF amplifier, if fed by a directional antenna to a consumer 900 MHz receiver, should improve the transmission
Gain_compression
Earth station in Western Australia
20-kilowatt transmitters, as well as cryogenic low noise amplifiers for downlink. The antenna weighs over 600 tonnes (1.3 million pounds) and is 40 metres
New_Norcia_Station
Reference point in an electrical circuit from which voltages are measured
Analog Devices Application Note, by Paul Brokaw and Jeff Barrow "An IC Amplifier User’s Guide to Decoupling, Grounding, and Making Things Go Right for
Ground_(electricity)
Measurement device used in telecommunications
important to use a calibrated antenna such as the standard antenna supplied with the meter. For precision measurements the antenna must be at a standard height
Field_strength_meter
Analog signal conditioning circuitry
signal conditioning circuitry that uses sensitive analog amplifiers, often operational amplifiers, filters, and sometimes application-specific integrated
Analog_front-end
American radio manufacturer
(160m–2m) portable transceivers, linear power amplifiers, panadapters, and accessories including antenna tuners and signal generators. Elecraft introduced
Elecraft
Family of L band early warning and ground-controlled interception radar systems
BRP-150. These were remanufactured units with a new antenna, and included a new low-noise front-end amplifier. General Dynamics later produced a similar digital
AN/FPS-20_Early_Warning_Radar
Type of electrical resistance from an antenna
problem, since a weak signal from the antenna can simply be amplified in the receiver without the amplifier's noise adding any appreciable amount to
Radiation_resistance
Method of radio direction finding
closely matched receivers and amplifiers, and often a third for the "sense" antenna if used. If one places an antenna on a moving platform like the roof
Doppler radio direction finding
Doppler_radio_direction_finding
ESA spacecraft communication station, Spain
diameter antenna that receives and transmits in X- and Ka-bands is located at the site. Station code is "CEB". 20 kW CW High Power Amplifier (HPA) it
Cebreros_Station
Communication equipment
as a Remote radio head (RRH). Power amplifier (PA) Amplifies the signal from TRX for transmission through antenna; may be integrated with TRX. Combiner
Base_transceiver_station
Wi-Fi used for network connectivity
amplifier. Commonly known as "range extender amplifiers" these small devices usually supply around 1⁄2 watt of power to the antenna. Such amplifiers may
Long-range_Wi-Fi
Ultra high frequency radio to transmit TV
radiated power, implying a more powerful transmitter or a more complex antenna.[citation needed] However, the additional channels allow more broadcasters
UHF_television_broadcasting
Experiment using a resonant microwave cavity to find dark matter particles
experiment in 1996, the amplifier noise temperature was around 2 K. In 2009, the first stage amplifier was replaced by a SQUID amplifier, which greatly lowered
Axion_Dark_Matter_Experiment
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ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
ANTENNA AMPLIFIER
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