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N-way switch based on Rotman lens

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2 Author(s)
Yunhua Zhang ; ECIT Inst., Queen's Univ., Belfast, UK ; Fusco, V.

A single pole multi-throw RF switch has been developed based on a Rotman lens. The Rotman lens is used in reflection mode wherein a short circuited phase shifter network replaces the array port antennas. An input signal fed to a single beam port can, depending on the phase slope of the phase shifter network, be routed to any of the remaining beam ports. An unoptimised proof-of-concept 8-way switch based on a conventional Rotman lens design is demonstrated at 12 GHz.

Published in:

Electronics Letters  (Volume:48 ,  Issue: 5 )

Date of Publication:

March 1 2012

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