Application notes

Antenna Selection by test type

Antenna Selection by Test Type

Application Note

Here is a listing of some of the common test types and the appropriate antennas to perform that test.

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Biconical Antenna Selection

Biconical Antenna Selection for Compliance Testing

Application Note

The Biconical Antenna is considered a standard workhorse for every compliance test lab. Used in a variety of applications such as radiated emissions, immunity and shielding effectiveness testing; this application note will help guide the decision process of which Biconical Antenna to purchase.

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Antenna Terms and Definitions

Common Antenna Terms and definitions

Application Note

Here is a list of antenna terms and definitions for engineers and technicans commonly used with compliance testing.

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How to use antenna factors

How to use antenna factors

Application Note

What exactly is the "Antenna Factor" concept, how is it created and how is it used. This basic application notes defines the term "Antenna Factor" and gives a breif explaination on how to use it.

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Dipole Antenna Element sizes

Tuneable Dipole element lengths

Application Note

Our tunable dipolke antennas have a set of telescoping elements that needs to be adjusted to the frequency of interest. Here is a lookup table of our Tuned Dipole Antennas and the appropriate element lengths for each balun.

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calibration Interval

Antenna Calibration Interval

Application Note

Much of the success or failure of EMC test depends on the performance of a calibrated antenna. Antenna calibration is important to ensure repeatable, reliable data and this technical note will discuss calibration intervals.

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Frequency band designations

Frequency Band Designations

Application Note

Here is a listing of the letter designations that are assigned to the frequency bands for the radio spectrum up to 300 GHz

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AM, FM and TV Frequencies

AM, FM and TV Frequencies

Application Note

In order to help better identify signals of interest from ambient signals that might already be in the area, we have included a table of VHF, UHF, and FM frequencies, as a companion to our TDS-536 TV Dipole set, specifically designed for testing at these frequencies.

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VSWR vs. Returned Power cheat sheet

Application Note

Just in case you don't care for mathematical equations, here's a little "cheat sheet" table to help understand the correlation of VSWR to the percentage of reflected power that will return.

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