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About: Tower Mounted Amplifier     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatElectronicAmplifiers, within Data Space : dbpedia.org associated with source document(s)

Type: companyyago:Amplifier102705944yago:Artifact100021939yago:ElectronicEquipment103278248yago:Equipment103294048yago:Instrumentality103575240yago:Object100002684yago:PhysicalEntity100001930yago:Whole100003553yago:WikicatElectronicAmplifiers New Facet based on Instances of this Class

A 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 or base transceiver stations. A TMA reduces the base transceiver station noise figure (NF) and therefore improves its overall sensitivity; in other words the mobile mast is able to receive weaker signals.The power to feed the amplifier (in the top of the mast) is usually a DC component on the same coaxial cable that feeds the antenna, otherwise an extra power cable has to be run to the TMA/MHA to supply it with power.