The Minidish is the tradename used for the small-sized satellite dish used by Freesat and Sky. The term has entered the vocabulary in the UK and Ireland as a generic term for a satellite dish, particu
A feed horn is a small horn antenna used to couple a waveguide to e.g. a parabolic dish antenna or offset dish antenna for reception or transmission of microwaves. A typical application is the use for
Minidish
…collar. This enforces the use of Sky-approved equipment, but also ensures that a suitable LNB is used. Due to the shape of the dish, an LNB with an oval feedhorn is required to get full signal…
Feed horn with concentric rings (left) and LNB (right) on a Hughes DirecWay home satellite dish.
An LNBF (LNB with integrated feed horn) that has been cut into two. Visible is the scalar horn antenna (the funnel with concentric rings), which couples the microwave beam into a short waveguide (the tube connecting the feed horn to the LNB electronics part of the LNBF).
Feed horn (right) on a military radar antenna. The feed horn must be shaped to produce a radiation pattern tailored to adequately illuminate the reflector.