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0.8–8 GHz 4-bit MMIC phase shifter for T/R modules

Published online by Cambridge University Press:  21 May 2015

Mauro Ferrari*
Affiliation:
Elettronica S.p.A., Via Tiburtina Valeria Km 13.7, 00131, Rome, Italy
Luca Piattella
Affiliation:
Elettronica S.p.A., Via Tiburtina Valeria Km 13.7, 00131, Rome, Italy
*
Corresponding author: M. Ferrari Email: mauro.ferrari@elt.it

Abstract

This paper presents the design approach and test results of a full passive, decade bandwidth GaAs MMIC, composed by a phase shifter (PS) with a cascaded absorptive single pole double throw switch, suitable for transmitter/receiver modules in active electronically scanned array. The proposed PS – fabricated using a UMS GaAs 0.25 PHEMT process – combines all-pass filters with high-pass filters, in order to provide less than 13 dB insertion loss, less than ±20° phase error and less than ±2.5 dB amplitude error in the 0.8–8 GHz bandwidth.

Type
Research Papers
Copyright
Copyright © Cambridge University Press and the European Microwave Association 2015 

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References

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