A Frequency Independent Framework for Synthesis of Programmable Non-reciprocal Networks.

ABSTRACT: Passive and linear nonreciprocal networks at microwave frequencies hold great promises in enabling new front-end architectures for wireless communication systems. Their non-reciprocity has been achieved by disrupting the time-reversal symmetry using various forms of biasing schemes, but only over a limited frequency range. Here we demonstrate a framework for synthesizing theoretically frequency-independent multi-port nonreciprocal networks. The framework is highly expandable and can have an arbitrary number of ports while simultaneously sustaining balanced performance and providing unprecedented programmability of non-reciprocity. A 4-port circulator based on such a framework is implemented and tested to produce a broadband nonreciprocal performance from 10 MHz to 900 MHz with a temporal s

SUBMITTER: Lu R 

PROVIDER: S-EPMC6168549 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature