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To achieve the advantages of a new technique (ISAM) for integrating the functions of time-division switching and frequency-division multiplexing, it is necessary to design filters that are somewhat different from those used in conventional switching and multiplexing systems. This paper analyzes the performance of ISAM filters. Since in the new technique signals are resonantly transferred between band-pass filters, the theory of resonant transfer for this general case is developed. The conditions for obtaining resonant transfer between ideal filters are determined and then the effects of using nonideal filters are investigated. An example is given showing the synthesis of a set of filters designed to meet ISAM requirements.
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