Abstract
Multiloop feedback has heretofore been ignored as a means of obtaining shaped gain amplifiers. In this paper, a theoretical basis is developed for using dual major loop feedback amplifiers to obtain shaped power gain with input and output reflection coefficient constraints. From the theoretical results, practical design procedures can easily be developed and one such procedure is discussed. The aim of this study was an alternative to the “brute force” termination technique of realizing input and output impedance matches. The development is otherwise unique in that it uses no hybrid transformers for beta circuit coupling or for realization of the reflection coefficient constraints.
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