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Horn Antennas喇叭天線

Selection by Model Type: Horns
Double Ridge Guide Horn Antennas
Broadband antennas, compared to half wave dipoles, reduce test time because the technician did not have to stop the test to adjust the dipole antenna for each frequency. Most compliance standards now require the use of such antennas. The latest version of Mil-Std 461E states the used of broadband double ridge guide horn antenna as the antenna of choice for frequencies above 200 MHz.
A.H. Systems Double Ridge Guide Horns are broadband antennas that offer excellent performance over the frequency range of 170 MHz to 40 GHz. These Horn antennas are an excellent choice for both radiated immunity and emissions testing. Here are several double ridge guide horn antennas ideal for most compliance testing and/or general field measurements.

Model

Frequency Range

Description

Gain

SAS-570

170 MHz - 3 GHz

Horn, Double Ridged Guide

10

SAS-571

700 MHz - 18 GHz

Horn, Double Ridged Guide

12

SAS-572

18 GHz - 26.5 GHz

Horn Antenna

20

SAS-573

26.5 GHz - 40 GHz

Horn Antenna

20

SAS-574

18 GHz - 40 GHz

Horn, Double Ridged Guide

17

SAS-575

1 GHz - 4 GHz

Horn, Double Ridged Guide

12

Standard Gain Horns
The Standard Gain Horn Antennas are designed specifically for utilization in emissions and immunity testing over the frequency range of 1 to 40 GHz. Each antenna is linearly polarized and has medium gain, low VSWR, and constant antenna factor. The Standard Gain Horn performance is very precise and predictable through design parameters. Comparisons of measured versus computed antenna factors and gain have been shown to be +/- .5 dB. Therefore, the antenna is considered to be a standard reference, similar to that of a resonant dipole below 1 GHz. The coax-to-waveguide adapter is the only power-limiting component on the antenna and can be removed if high fields are desired. Each Standard Gain Horn comes with a tripod mount that adapts to any tripod with ¼-20 male threads. Horizontal and vertical polarization is obtained by rotating the antenna on the tripod.
Gain: 15 dB, also available in 10 dB or 20 dB gain.

Model

Frequency Range

Description

Gain

SAS-580

1.12 GHz - 1.70 GHz

Horn, Standard Gain

14.7

SAS-581

1.70 GHz - 2.60 GHz

Horn, Standard Gain

14.5

SAS-582

2.60 GHz - 3.95 GHz

Horn, Standard Gain

15.1

SAS-583

3.95 GHz - 5.85 GHz

Horn, Standard Gain

14.5

SAS-584

5.85 GHz - 8.20 GHz

Horn, Standard Gain

14.8

SAS-585

8.2 GHz - 12.4 GHz

Horn, Standard Gain

15.6

SAS-586

12.4 GHz - 18.0 GHz

Horn, Standard Gain

14.9

SAS-587

18.0 GHz - 26.5 GHz

Horn, Standard Gain

14.8

SAS-588

26.5 GHz - 40.0 GHz

Horn, Standard Gain

14.6

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