Schottky diodes for analogue phase shifters in GaAs MMIC's

P.R. Shepherd, MJ Cryan

Research output: Contribution to journalArticle (Academic Journal)peer-review

4 Citations (Scopus)

Abstract

A simple Schottky diode structure, which is easily implemented in a foundry gallium arsenide (GaAs) process, is described. This structure occupies very much less area than the usual technique of realizing Schottky diodes, using standard FET structures. Two variations of the diode have been characterized and modeled using a standard equivalent circuit. This has been used to design a simple analogue phase shifter based on a loaded-line configuration. The phase shifter was manufactured using a standard foundry process and has shown excellent results in terms of phase shift linearity with tuning voltage, combined with low insertion loss, over the range 2-8 GHz.
Translated title of the contributionSchottky diodes for analogue phase shifters in GaAs MMIC's
Original languageEnglish
Pages (from-to)2112 - 2116
Number of pages5
JournalIEEE Transactions on Microwave Theory and Techniques
Volume44 (11)
DOIs
Publication statusPublished - Nov 1996

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