Title :
Ultra-wideband MMICs for remote sensing applications
Author :
Johansen, Tom K. ; Vidkjær, Jens ; Krozer, Viktor
Author_Institution :
Technical University of Denmark, Oersted-DTU, Department of Electromagnetic Systems, Oersteds Plads 348, 2800 Kgs. Lyngby, Denmark, Phone:+45-45253770, E-mail: tkj@oersted.dtu.dk
Abstract :
This paper presents an overview of the current activity at the Technical University of Denmark in the field of ultra-wideband monolitic microwave integrated circuits (MMICs) for next-generation high-resolution synthetic aperature radar (SAR) systems. The transfer function requirements for MMIC components in a wideband SAR systems are described. The design and performance of a DC-to-X-band SiGe HBT quadrature mixer and a C-band GaAs pHEMT downconverter are described. Experimental results demonstrates the usefulness of the designs for quadrature modulation/ demodulation and downconversion of ultra-wideband linear FM-modulated signals.
Keywords :
Germanium silicon alloys; Integrated circuit synthesis; MMICs; Microwave integrated circuits; Radar remote sensing; Remote sensing; Silicon germanium; Synthetic aperture radar; Transfer functions; Ultra wideband technology;
Conference_Titel :
Microwave Conference, 2003 33rd European
Conference_Location :
Munich, Germany
Print_ISBN :
1-58053-834-7
DOI :
10.1109/EUMA.2003.341094
