Title :
An Ultra Broadband Ferriteless Planar Transmission Line Transformer
Author :
Horn, Johannes ; Boeck, Georg
Author_Institution :
Berlin University of Technology, Microwave Engineering Group, Technische Universitÿt Berlin, FG Mikrowellentechnik, Einsteinufer 25 / HFT 5-1, 10587 Berlin, Germany; horn@mwt.ee.tu-berlin.de
Abstract :
An equivalent circuit based on multi-conductor line theory for planar transmission line transformers (TLT) is presented. Its validity is demonstrated for a 50 ¿ to 12.5 ¿ TLT. The device is realized on a three metal layer PCB. It operates at frequencies from 200 MHz up to 5.5 GHz.
Keywords :
Bandwidth; Coaxial cables; Coaxial components; Ferrites; Frequency; Impedance; Microstrip; Planar transmission lines; Power transmission lines; Transmission line theory;
Conference_Titel :
Microwave Conference, 2003 33rd European
Conference_Location :
Munich, Germany
Print_ISBN :
1-58053-834-7
DOI :
10.1109/EUMA.2003.341012