The Manufacture and Quality Control of AUT Calibration Block

As the only AUT system calibration block, the quality of the block directly influences the reliability of the system performance. This article is to show how a high quality of AUT calibration block is completed by monitoring each step of AUT calibration block manufacture and by accurately measuring the reflectors size and its comprehensive effect. The quality control method of the block manufacture is summarized, providing a good reference for the peer.