Cryogenic LNAs for SKA band 2 to 5
Paper in proceeding, 2017
Four ultra-low noise cryogenic MMIC LNAs suitable for the Square Kilometer Array (SKA) band 2 to 5 (0.95-13.8 GHz) have been designed, fabricated, packaged and tested. The LNAs are based on 4×50, 8×50 and 16×50 μm HEMTs, designed for stable cryogenic operation, allowing the combination of good noise performance and return loss. The lowest noise temperatures measured in the four bands were 1.0 K, 1.2 K, 1.6 K and 2.6 K, respectively.
InP HEMT
SKA
MMIC
Low Noise Amplifier
Author
Joel Schleeh
Low Noise Factory AB
Giuseppe Moschetti
Low Noise Factory AB
Niklas Wadefalk
Low Noise Factory AB
Eunjung Cha
GigaHertz Centre
Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics
Arsalan Pourkabirian
Low Noise Factory AB
Göran Alestig
GigaHertz Centre
Chalmers, Microtechnology and Nanoscience (MC2), Nanofabrication Laboratory
John Halonen
GigaHertz Centre
Chalmers, Microtechnology and Nanoscience (MC2), Nanofabrication Laboratory
Bengt Nilsson
Chalmers, Microtechnology and Nanoscience (MC2), Nanofabrication Laboratory
GigaHertz Centre
Per-Åke Nilsson
GigaHertz Centre
Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics
Jan Grahn
Chalmers, Microtechnology and Nanoscience (MC2), Microwave Electronics
GigaHertz Centre
IEEE MTT-S International Microwave Symposium Digest
0149645X (ISSN)
164-167 8058948978-1-5090-6360-4 (ISBN)
Subject Categories
Electrical Engineering, Electronic Engineering, Information Engineering
DOI
10.1109/MWSYM.2017.8058948
ISBN
978-1-5090-6360-4