Title :
Group delay compensation technique for UWB MMIC using composite right/left-handed circuit
Author :
Murase, Kenji ; Ishikawa, Ryo ; Honjo, Kazuhiko
Author_Institution :
Univ. of Electro-Commun., Tokyo
Abstract :
A group delay equalizer consisting of a composite right/left handed (CRLH) circuit in parallel with a right handed (RH) circuit is proposed for UWB RF components. Dispersion characteristics and group delay characteristics for the proposed circuit are described. A group delay compensation circuit was designed for the developed InGaP/GaAs HBT MMIC amplifier with an active balun. It is demonstrated that the measured standard deviations of group delay can be reduced from 16.5 psec in S21 and 12.4 psec in S31 to 4.4 psec in S21 and 7.7 psec in S31, respectively, in a circuit simulation.
Keywords :
III-V semiconductors; MMIC amplifiers; equalisers; gallium arsenide; heterojunction bipolar transistors; indium compounds; ultra wideband technology; HBT MMIC amplifier; InGaP-GaAs; UWB MMIC; balun; composite right-left handed circuit; dispersion characteristics; group delay compensation technique; group delay equalizer; Circuits; Delay; Equalizers; Gallium arsenide; Heterojunction bipolar transistors; Impedance matching; MMICs; Measurement standards; Radio frequency; Radiofrequency amplifiers; UWB; composite right/left-handed transmission line; group delay; metamaterial;
Conference_Titel :
Microwave Conference, 2006. APMC 2006. Asia-Pacific
Conference_Location :
Yokohama
Print_ISBN :
978-4-902339-08-6
Electronic_ISBN :
978-4-902339-11-6
DOI :
10.1109/APMC.2006.4429670
