Title :
A 300 GHz multi-stage balanced variable gain amplifier with Tandem-X couplers
Author :
I. Dan;D. Meier;S. Wagner;A. Leuther;A. Tessmann;H. Massler;I. Kallfass
Author_Institution :
Institute of Robust Power Semiconductor Systems, University of Stuttgart, Pfaffenwaldring 47,70569, Germany
Abstract :
This paper presents the design and measured performance of an H-Band (220-325 GHz) submilimeter-wave monolithic integrated circuit (S-MMIC) implementing a balanced variable-gain low-noise amplifier (VGA) based on Tandem-X couplers for use in next generation communication systems. This amplifier will be used as first stage in an integrated wideband receiver for 300 GHz wireless communication for indoor environments. It provides low-noise pre-amplification as well as gain control in front of a quadrature down-conversion mixer.
Keywords :
"Frequency measurement","Resonant frequency","Couplers","mHEMTs","MMICs","Robustness","Wireless communication"
Conference_Titel :
Microwaves, Communications, Antennas and Electronic Systems (COMCAS), 2015 IEEE International Conference on
DOI :
10.1109/COMCAS.2015.7360382
