Title :
On the performance of low-noise low-DC-power-consumption cryogenic amplifiers
Author :
Angelov, I. ; Wadefalk, N. ; Stenarson, Jörgen ; Kollberg, Erik Ludvig ; Starski, Piotr ; Zirath, Herbert
Author_Institution :
Dept. of Microwave Technol., Chalmers Univ. of Technol., Goteborg, Sweden
fDate :
6/1/2002 12:00:00 AM
Abstract :
The performance of broad-band low-noise low-dc-power-consumption cryogenic amplifiers have been studied in detail with emphasis on minimizing the power consumption and optimizing the amplifier performance at cryogenic temperature. A general approach is presented for the modeling and amplifier design, which helps in minimizing the power consumption and optimizing the performance of the amplifier. A noise temperature below 9 K and 22-dB gain was experimentally obtained in the frequency range of 4-8 GHz with a total power consumption of 4 mW with commercial GaAs transistors
Keywords :
circuit noise; cryogenic electronics; low-power electronics; microwave amplifiers; wideband amplifiers; 22 dB; 4 mW; 4 to 8 GHz; DC power consumption; GaAs; GaAs transistor; broadband low-noise cryogenic amplifier; noise temperature; Cryogenics; Energy consumption; Gallium arsenide; Indium phosphide; Low-noise amplifiers; Microwave FETs; Microwave technology; Microwave transistors; Space technology; Transconductance;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.2002.1006408
