Very small, ultra-wideband MMIC magic-T and applications to combiners and dividers
- 13 January 2003
- proceedings article
- Published by Institute of Electrical and Electronics Engineers (IEEE)
Abstract
An FET-size, 1-18-GHz MMIC (monolithic microwave integrated circuit) magic-T (180 degrees hybrid) which combines two different dividers, electrically isolated from each other, in a novel GaAs FET electrode configuration based on the LUFET (line-unified FET) concept is proposed. An advantage of the proposed magic-T is that it markedly reduces MMIC chip size and operates in an ultrawide band, due to the minimum use of GaAs FETs and the absence of spiral inductors. Applications of this module to miniaturized RF signal processing modules such as dividers, combiners, and switches are described.Keywords
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