![]() And with the high-power, broad bandwidth features, the tests can continue uninterrupted, and more test requirements can be met. Class A operation helps ensure linearity and minimize harmonics. A high VSWR, or load tolerance, keeps the amplifier from shutting down. For example, questions about the features of a surge simulator are very different than those for an RF enclosure.Īmplifier Research recommends that amplifiers feature high-level voltage standing wave ratio (VSWR) tolerance, Class A operation, the capability to accommodate high power and broad bandwidth, and a power and frequency match of the antennas and amplifier. The functions of the instruments depend on the test you need to perform, said Mr. What are the size and power requirements of the product under test? Will the instruments need to perform beyond compliance levels? ![]() What standards must the test instruments meet? Will the equipment have other uses, such as for circuit design? Is if for compliance or precompliance testing? And when the system is pre-engineered, assembly and delivery time and costs are saved.Īccording to Mike Hopkins, director of sales and marketing at KeyTek, to determine which test instruments are needed to perform RF immunity testing, you should answer several key questions: The guaranteed performance should have a specification that is clear, concise, and warranted. The immunity test system should be designed holistically with each part configured to be complementary with a guaranteed performance of the final system, and at the lowest possible cost, said Joe Heins, senior EMC applications engineer at Chase EMC. To help make your job easier, here are some tips to get you up and testing without any hitches. With so many standards and test instruments to choose from, the process can be mind-boggling. Without question, selecting an immunity test system is a tough job.
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