The combiner matrix balun, a transistor based differential to single-ended module for broadband applications

Author

Ferndahl, Mattias ; Vickes, Hans-Olof

Author_Institution

Microwave Electron. Lab., Chalmers Univ. of Technol., Göteborg, Sweden

fYear

2011

fDate

5-10 June 2011

Firstpage

1

Lastpage

4

Abstract

In this paper a new active combing balun, i.e. differential input to single-ended output, with broadband performance, the combiner matrix balun, is presented. Measured results show an amplitude and phase difference of less than 1 dB and 20 degrees from 5 to 40 GHz together with a gain of 2 dB with less than 1 dB ripple. The topology is easily scaled up in frequency and gain and also technology independent making it an interesting choice for future broadband differential applications.

Keywords

active networks; baluns; distributed amplifiers; high electron mobility transistors; power combiners; broadband applications; combiner matrix balun; frequency 5 GHz to 40 GHz; transistor based differential to single-ended module; Broadband communication; Gain; Impedance matching; Microwave circuits; Microwave transistors; Transmission line matrix methods; Active circuits; HEMT; baluns; distributed amplifiers; power combiners;

fLanguage

English

Publisher

ieee

Conference_Titel

Microwave Symposium Digest (MTT), 2011 IEEE MTT-S International

Conference_Location

Baltimore, MD

ISSN

0149-645X

Print_ISBN

978-1-61284-754-2

Electronic_ISBN

0149-645X

Type

conf

DOI

10.1109/MWSYM.2011.5972940

Filename

5972940