The ZMA interface is a high coupling force bayonet connector used in microwave applications. The design was performed with the aid of Ansoft HFSS simulation software to characterize and optimize the calibration standards. ![]() This article discusses the design of a TRM calibration kit for the ZMA interface. It becomes necessary to design and implement calibration standards to eliminate the effect of adapters and validate the performance of the device. When precision airlines are not available it is very difficult to obtain a true measurement of the device under test. One of the greatest challenges in characterizing new coaxial interfaces is to determine an accurate test configuration. The steps used when designing the calibration standards for the ZMA interface using the High Frequency Structure Simulator (HFS S(r)) software from Ansoft Corp. The systematic errors and the effect of adapters in network measurements are reviewed. The calibration kit is designed for a frequency band of 0.045 to 12.4 GHz. The ZMA interface is a high coupling force bayonet connector used in microwave applications up to 12.4 GHz. This article discusses the design and implementation of a TRM calibration kit for a ZMA interface. The best way to do this is by using a calibration kit that eliminates the effects of adapters in the measurement. When new coaxial interfaces become available, it is important to validate their performance.
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