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Application Notes
Introduction
Many of today’s devices have several different functionalities integrated into a single component resulting in multiple RF ports for each device. In the wireless communication industry, multi-band capability is required for devices such as cellular handsets, and supporting additional signals such as WLAN, Bluetooth® and GPS will increase the complexity even more. The number of ports of RF Front-End modules installed in networking equipment will expand as multiple input, multiple output (MIMO) is adopted for faster data transfer rates in wireless services. In addition, it’s becoming more common to use differential components, such as differential SAW filters, in the receiver paths because they reject unwanted system noise better than single-ended components.
In multiport component test, the time required to connect and disconnect the components can be significantly greater than the actual testing time. Network analyzers with multiport capability are used to reduce measurement times by providing complete characterization of multiport components with a single connection. As measurement requirements of multiport components increase and become more complicated, solutions that provide easy-to-use software for measurement setup are needed to make testing more efficient and improve throughput.
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