Definition of LNB

Function

The LNB's basic job is to tune the feed that the satellite dish receives from house into an indication that a tv will access, per the DISH Network. The LNB receives the satellite signal, that arrives as a coffee microwave signal, and amplifies it. It then transforms the signal to a lower frequency and transfers that signal through a coax cable to the indoor receiver, permitting the tv to broadcast supported the signal it receives, per Satellite Signals, a web site dedicated to satellite communications.

Physical Description

The LNB could be a little piece situated at the tip of the arm that stands proud from the satellite dish, per the DISH Network. The LNB faces the dish itself. The LNB has many little elements to that, together with Associate in Nursing input conductor, 2 band pass filters, a coffee noise electronic equipment, a mixer, an area generator, a coffee band electronic equipment Associate in Nursingd an output to the cable, per the Satellite Signals web site. every bit plays a section because the signal from the satellite is reworked because it travels through them.

Types

LNB varieties vary supported the amount of cable feeds and satellite tuners that area unit getting used, per United Kingdom Satellite facilitate. one output LNB has one cable feed and one satellite tuner, a twin has 2 of every, a quad has four of every Associate in Nursingd an octo has eight of every. These arrangements with multiple outputs area unit helpful for once there area unit multiple televisions receiving signals from constant satellite dish.

Low Noise

The low noise term featured within the name low noise block downconverter comes from the low-noise microwave signals that arrive from the satellite. These signals area unit measured in a very kind of units, together with noise temperature, noise figure or noise issue, per the Satellite Signals web site. a coffee measuring of noise is that the goal, and a coffee noise measuring results in higher reception for the TV viewers.