Matches in DBpedia 2015-10 for { <http://dbpedia.org/resource/Low-noise_block_downconverter> ?p ?o }
- Low-noise_block_downconverter abstract "A low-noise block downconverter (LNB) is the receiving device mounted on satellite dishes used for satellite TV reception, which collects the radio waves from the dish. Also called a low-noise block, low-noise converter (LNC), or even low-noise downconverter (LND), the device is sometimes wrongly called an low-noise amplifier (LNA).The LNB is a combination of low-noise amplifier, frequency mixer, local oscillator and intermediate frequency (IF) amplifier. It receives the microwave signal from the satellite collected by the dish, amplifies it, and downconverts the block of frequencies to a lower block of intermediate frequencies (IF). This downconversion allows the signal to be carried to the indoor satellite TV receiver using relatively cheap coaxial cable; if the signal remained at its 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, or feed arms, in front of the dish reflector, at its focus (although some dish designs have the LNB on or behind the reflector). The microwave signal from the dish is picked up by a feedhorn on the LNB and is fed to a section of waveguide. One or more metal pins, or probes, protrude into the waveguide at right angles to the axis and act as antennas, feeding the signal to a PCB inside the LNB's shielded box for processing. The lower frequency IF output signal emerges from a socket on the box to which the coaxial cable connects.The LNB gets its power from the receiver or set-top box, using the same coaxial cable that carries signals from the LNB to the receiver. This phantom power travels to the LNB; opposite to the signals from the LNB.A corresponding component, called a block upconverter (BUC), is used at the satellite earth station (uplink) dish to convert the band of television channels to the microwave uplink frequency.".
- Low-noise_block_downconverter thumbnail KuBAND-LNB-0A0B.jpg?width=300.
- Low-noise_block_downconverter wikiPageExternalLink 20080810160759!LNB_dissassembled.JPG.
- Low-noise_block_downconverter wikiPageExternalLink www.onastra.com.
- Low-noise_block_downconverter wikiPageExternalLink lnb.htm.
- Low-noise_block_downconverter wikiPageExternalLink explanation-description-lnb.htm.
- Low-noise_block_downconverter wikiPageExternalLink noise.htm.
- Low-noise_block_downconverter wikiPageExternalLink index.php.
- Low-noise_block_downconverter wikiPageExternalLink www.ses.com.
- Low-noise_block_downconverter wikiPageExternalLink SkyVision%20VSAT%20Installation%20Manual%20(Version%201).pdf.
- Low-noise_block_downconverter wikiPageID "231350".
- Low-noise_block_downconverter wikiPageLength "25832".
- Low-noise_block_downconverter wikiPageOutDegree "125".
- Low-noise_block_downconverter wikiPageRevisionID "683132307".
- Low-noise_block_downconverter wikiPageWikiLink 16-QAM.
- Low-noise_block_downconverter wikiPageWikiLink Accuracy.
- Low-noise_block_downconverter wikiPageWikiLink Accuracy_and_precision.
- Low-noise_block_downconverter wikiPageWikiLink Acrylic_glass.
- Low-noise_block_downconverter wikiPageWikiLink Antenna_(radio).
- Low-noise_block_downconverter wikiPageWikiLink Astra_(satellite).
- Low-noise_block_downconverter wikiPageWikiLink Astra_(satellites).
- Low-noise_block_downconverter wikiPageWikiLink Astra_19.2°E.
- Low-noise_block_downconverter wikiPageWikiLink Astra_1A.
- Low-noise_block_downconverter wikiPageWikiLink Astra_1D.
- Low-noise_block_downconverter wikiPageWikiLink Astra_1E.
- Low-noise_block_downconverter wikiPageWikiLink Astra_1KR.
- Low-noise_block_downconverter wikiPageWikiLink Astra_23.5°E.
- Low-noise_block_downconverter wikiPageWikiLink Astra_2A.
- Low-noise_block_downconverter wikiPageWikiLink Astra_2B.
- Low-noise_block_downconverter wikiPageWikiLink Attenuation.
- Low-noise_block_downconverter wikiPageWikiLink BSS_band.
- Low-noise_block_downconverter wikiPageWikiLink BSkyB.
- Low-noise_block_downconverter wikiPageWikiLink Band_(radio).
- Low-noise_block_downconverter wikiPageWikiLink Bias_tee.
- Low-noise_block_downconverter wikiPageWikiLink Block_upconverter.
- Low-noise_block_downconverter wikiPageWikiLink C-band.
- Low-noise_block_downconverter wikiPageWikiLink C_band.
- Low-noise_block_downconverter wikiPageWikiLink Carrier_signal.
- Low-noise_block_downconverter wikiPageWikiLink Carrier_wave.
- Low-noise_block_downconverter wikiPageWikiLink Category:Antennas.
- Low-noise_block_downconverter wikiPageWikiLink Category:Electronics.
- Low-noise_block_downconverter wikiPageWikiLink Category:Satellite_broadcasting.
- Low-noise_block_downconverter wikiPageWikiLink Category:Telecommunications_equipment.
- Low-noise_block_downconverter wikiPageWikiLink Circular_polarization.
- Low-noise_block_downconverter wikiPageWikiLink Coaxial_cable.
- Low-noise_block_downconverter wikiPageWikiLink Crystal_oscillator.
- Low-noise_block_downconverter wikiPageWikiLink Decibel.
- Low-noise_block_downconverter wikiPageWikiLink Decibels.
- Low-noise_block_downconverter wikiPageWikiLink DiSEqC.
- Low-noise_block_downconverter wikiPageWikiLink Dielectric.
- Low-noise_block_downconverter wikiPageWikiLink Dielectric_resonator.
- Low-noise_block_downconverter wikiPageWikiLink Digiturk.
- Low-noise_block_downconverter wikiPageWikiLink Direct-broadcast_satellite.
- Low-noise_block_downconverter wikiPageWikiLink Direct_broadcast_satellite.
- Low-noise_block_downconverter wikiPageWikiLink Dish_Network.
- Low-noise_block_downconverter wikiPageWikiLink Downconverter.
- Low-noise_block_downconverter wikiPageWikiLink Downlink.
- Low-noise_block_downconverter wikiPageWikiLink Duo_LNB.
- Low-noise_block_downconverter wikiPageWikiLink Electromagnetic_shielding.
- Low-noise_block_downconverter wikiPageWikiLink Electronic_Programme_Guide.
- Low-noise_block_downconverter wikiPageWikiLink Electronic_program_guide.
- Low-noise_block_downconverter wikiPageWikiLink Engineering_tolerance.
- Low-noise_block_downconverter wikiPageWikiLink Feed_horn.
- Low-noise_block_downconverter wikiPageWikiLink Feedhorn.
- Low-noise_block_downconverter wikiPageWikiLink Fibre_satellite_distribution.
- Low-noise_block_downconverter wikiPageWikiLink Firmware.
- Low-noise_block_downconverter wikiPageWikiLink Fixed-satellite_service.
- Low-noise_block_downconverter wikiPageWikiLink Fixed_satellite_services.
- Low-noise_block_downconverter wikiPageWikiLink Freesat.
- Low-noise_block_downconverter wikiPageWikiLink Frequency_mixer.
- Low-noise_block_downconverter wikiPageWikiLink Glass.
- Low-noise_block_downconverter wikiPageWikiLink Ground_station.
- Low-noise_block_downconverter wikiPageWikiLink Heterodyne.
- Low-noise_block_downconverter wikiPageWikiLink High-electron-mobility_transistor.
- Low-noise_block_downconverter wikiPageWikiLink Hot_Bird.
- Low-noise_block_downconverter wikiPageWikiLink Intermediate_frequency.
- Low-noise_block_downconverter wikiPageWikiLink Kelvin.
- Low-noise_block_downconverter wikiPageWikiLink Ku-band.
- Low-noise_block_downconverter wikiPageWikiLink Ku_band.
- Low-noise_block_downconverter wikiPageWikiLink Laser_diode.
- Low-noise_block_downconverter wikiPageWikiLink Linear_polarization.
- Low-noise_block_downconverter wikiPageWikiLink Local_oscillator.
- Low-noise_block_downconverter wikiPageWikiLink Low-noise_amplifier.
- Low-noise_block_downconverter wikiPageWikiLink Low_noise_amplifier.
- Low-noise_block_downconverter wikiPageWikiLink Microwave.
- Low-noise_block_downconverter wikiPageWikiLink Microwave_transmission.
- Low-noise_block_downconverter wikiPageWikiLink Modulation.
- Low-noise_block_downconverter wikiPageWikiLink Monoblock_LNB.
- Low-noise_block_downconverter wikiPageWikiLink Multiswitch.
- Low-noise_block_downconverter wikiPageWikiLink Noise_figure.
- Low-noise_block_downconverter wikiPageWikiLink Noise_temperature.
- Low-noise_block_downconverter wikiPageWikiLink Orthomode_transducer.
- Low-noise_block_downconverter wikiPageWikiLink Oscillation.
- Low-noise_block_downconverter wikiPageWikiLink Oscillator.
- Low-noise_block_downconverter wikiPageWikiLink Parabolic_antenna.
- Low-noise_block_downconverter wikiPageWikiLink Phantom_power.
- Low-noise_block_downconverter wikiPageWikiLink Phase-locked_loop.
- Low-noise_block_downconverter wikiPageWikiLink Polarization_(waves).
- Low-noise_block_downconverter wikiPageWikiLink Polarizer.
- Low-noise_block_downconverter wikiPageWikiLink Poly(methyl_methacrylate).