Feed Horns

180 Feed Horns from 10 manufacturers listed on everything RF

Feed Horns from the leading manufacturers are listed here on here. Find Feed Horns based on the frequency band and polarization.

Description:15 dBi, Circular Feed Horn Antennas from 12.4 to 18 GHz
Frequency Band:
Ku Band
WG Flange:
UG-419/U
WG size:
WR62
WG Type:
Circular
Frequency:
12.4 to 14.6 GHz, 14.6 to 18 GHz
Gain:
15 dBi
more info
Description:Ka Band Single Polarity Feedhorn
Frequency Band:
Ka Band
WG size:
WR42, WR41
WG Type:
Rectangular
Frequency:
18.2 to 22.2 GHz
more info
Description:Scalar Feed Horns 75 to 110 GHz
Frequency Band:
W Band
WG size:
WR10
WG Type:
Rectangular
Frequency:
75 to 110 GHz
more info
Description:WR-28, 13 dBi Dual Linear Corrugated Cylindrical Feed Horn from 30 to 40 GHz
Frequency Band:
Ka Band
WG size:
WR-28
WG Type:
Rectangular
Frequency:
30 to 40 GHz
Gain:
13 dBi
more info
Description:Wide Angle Scalar Feed Horn Waveguide Antenna, WR-12, 72 GHz to 82 GHz, UG-385/U Round Cover Flange, 10 dBi Nominal Gain
Frequency Band:
W band
WG Flange:
Round, Cover, UG-385/U
WG size:
WR12
WG Type:
Circular
Frequency:
72 to 82 GHz
Gain:
10 dBi
more info
Description:C-Band Feed Horn from 3.625 to 6.425 GHz
Frequency Band:
C Band
WG size:
WR137, WR229
WG Type:
Circular
Frequency:
5.85 to 6.425 GHz(TX), 3.625 to 4.2 GHz(RX)
more info
Description:X-Band Circular Feed Horn from 7.75 to 8.4 GHz
Frequency Band:
X Band
WG Flange:
UG-51/U
WG size:
WR112
WG Type:
Rectangular
Frequency:
7.75 to 8.84 GHz
more info
Description:WR-42 Ka-Band Feed Horn from 20.2 to 22.2 GHz
Frequency Band:
Ka Band
WG size:
WR-42
WG Type:
Circular
Frequency:
20.2 to 22.2 GHz
Gain:
15 dBi
more info
Description:WR-12, E Band 11 to 16 dBi Scalar Feed Horn Antenna from 60 to 90 GHz
Frequency Band:
E Band
WG Flange:
UG-387/U
WG size:
WR-12
WG Type:
Circular
Frequency:
60 to 90 GHz
Gain:
11 to 16 dBi
more info
Description:13 dBi , WR-15 Waveguide Dual Polarized Scalar Feed Horn Antenna from 50 to 75 GHz with UG-385/U-Mod Flange
Frequency Band:
V Band
WG Flange:
UG-385/U, Cover
WG size:
WR15
WG Type:
Rectangular
Frequency:
50 to 75 GHz
Gain:
13 dB
more info

What is a Feed Horn?

A Feed Horn is basically a horn antenna that lies between the transceiver and the antenna reflector in a satellite dish system. 

When receiving a signal from the satellite, the signal is reflected from the parabolic dish to the feed horn which then passes it on to the Low Noise Block (LNB) where it is down converted and processed further. The feed horn provides some level of gain and is designed to support a particular type of polarization, this way it can filter out unwanted signals by only allowing specific polarity waves depending on the polarization of the horn antenna.

Feed Horn is always located at the focal point of the parabolic dish and is simply attached to the LNB. 

An LNB with an integrated feed horn is called as an LNBF.

On the transmit side, the signal is sent from the satellite modem to the Block Up-Converter for amplification and up-conversion and is then sent out via the Feed Horn towards the dish antenna/reflector towards the satellite.

Key parameters of a Feed Horn Antenna:

  1. Frequency Range: The frequency band for which the feed horn will be used – For example Ku, Ka-bands etc. The frequency band of interest will determine the waveguide size of the feed horn.
  2. Waveguide Shape: The shape of waveguide defines the sort of polarization the feed horn antenna will support. Ex. a circular waveguide supports both linear and circular polarized waveforms, while a rectangular waveguide supports linear polarization.
  3. Flange Compatibility: The flange type needed to connect the feed horn to the Low Noise Block of the Satellite system.
  4. Gain: The amount of gain the feed horn antenna provides.

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