Following a brief review of different types of multiplexer configurations, a systematic design approach has been outlined for the design of manifold-coupled multiplexers. The piecewise approach, optimizing parts of the multiplexer separately in repeated cycles while converging upon an optimal solution, has proved to be very effective for most practical applications. The technique is readily applicable to manifold multiplexers incorporating an arbitrary number of channels, regardless of their bandwidths and channel separations. There are no restrictions on the design and implementation of channel filters onto the manifold; they may be asymmetric, and may incorporate transmission zeros, group delay equalization zeros, or both. The manifold itself is a transmission line, be it a coaxial line or a rectangular waveguide or some other low-loss structure. The costly EM simulation is used economically on manifold junctions and channel filters through the use of space-mapping optimization techniques, where EM-based simulators are used to fine-model each multiplexer channel and coupling matrix representation is used to coarse-model the performance. Fine details such as tuning screws may be included in the design process. This design procedure takes into account the effects of dispersion and spurious modes and, as a result, the overall design and final tuning time can be significantly reduced.

Richard Cameron

Ming Yu

IEEE Microwave Magazine

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《IEEE Microwave Magazine》致力于收录最新的通讯内容，包括IEEE微波理论与技术协会的主席致辞、委员会报告以及会议日程和报告。此外，该杂志还提供经过评论的教程、应用文章、书评和常规栏目。

IEEE Microwave

Design of manifold-coupled multiplexers

This design procedure takes into account the effects of dispersion and spurious modes and, as a result, the overall design and final tuning time can be significantly reduced.

Category	Quartile
计算机科学	3
计算机科学, 工程电子与电气	3
计算机科学, 电信学	3

Design of manifold-coupled multiplexers

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