Immunity Testing - Antenna Selection by Application

Most common radiated immunity standards include IEC/EN 61000-4-3, MIL-STD 461 RS101/03/05, SAE J113/4, ISO 11451-2, ISO 11452-4/5 and CISPR 20. These standards require the use of several different antennas.


Immunity Testing Products


High Power Biconical Antenna

SAS-543

20 MHz - 300 MHz

High input handling capability makes this biconical antenna excellent for immunity testing.

2 GHz Log Periodic Antenna

SAS-510-2

290 MHz - 2 GHz

This directional Log Periodic Antenna is an ideal solution for radiated emissions and normalized site attenuation.

RE Log Periodic Antenna

SAS-517

80 MHz - 4 GHz

This Log Periodic Antenna is an ideal solution for radiated emissions and susceptibility testing.

SAS-521-2

25 MHz - 2 GHz

Simplify testing with this hybrid antenna providing an inexpensive solution to wide band applications.

SAS-522-2

25 MHz - 2 GHz

With an improvroved low end efficiency, this antenna is ideal for immunity test applications.

Standard Gain Horn Antennas

Standard Gain Horn Antennas

750 MHz - 40 GHz

Standard Gain Horn Antennas for emissions and immunity testing over the frequency range of 1 to 40 GHz.

Octave Horn Antennas

Octave Horn Antennas

1 GHz - 8 GHz

Octave Horn Antennas designed to match the operating frequency of most octave bandwidth amplifiers that are typically used for compliance testing.

MIL=STD double ridge guide horn

SAS-570

170 MHz - 3 GHz

Low frequency, high power capability double ridge guide horn antenna for immunity and MIL-STD 461 testing.

18 GHz double ridge guide horn

SAS-571

700 MHz - 18 GHz

SAS-571 Double Ridge Guide Horn Antenna is a broadband antenna that offers excellent performance over the range of 700 MHz to 18.0 GHz.

RF Cables

RF Cables

up to 40 GHz

Our Low-Loss High-Frequency flexible cables are the preferred choice over standard cable types.

Antenna Tripod and mount accessories

Tripods and Mounting Adapters

Our tripods and antenna mounting adapters are specificly designed to meet the needs of any Test lab

Resources for Immunity Testing


Field Intensity Calculation

Field Intensity Calculation

Formulas and Calculations

Here is a calculation tool to help determining the actual field intensity or power density at a given distance.

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Antenna an power amplifier combinations

Selecting antenna/power amplifier combinations for the coming new RF immunity standards

Article

This article explains different power amplifier / antenna matching combinations for some new RF immunity standards. Though far from certain, it looks as if 6 GHz is a strong canidate for the upper frequency for consumer products.

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dBm to Volts to Watts Conversion

dBm to Volts to Watts Conversion

Formulas and Calculations

Here is a handy page to convert units from dBm to to Volts to Watts based on a 50 ohm system.

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Power Amplifier System Checks

Power Amplifier and Test Systems Check

Test Guide

This test procedure describes how the small signal performance data of an amplifier is gathered and checked against previously recorded data. This is a fault finding step that establishes the health of the preamplifier.

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Antenna Beamwidth Coverage Calculations

Antenna Beamwidth Coverage Calculations

Formulas and Calculations

This tool will calculate the maximum coverage that the antenna will cover from a specified distance and antenna's half-power beamwidth.

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