학술논문

ALMA Band 6v2 receiver development status

Document Type

Conference

Author

Navarrini, A.; Lambert, J. G.; Kerr, A. R.; Effland, J.; Dindo, P.; Saini, K.; Lehmensiek, R.; Vaselaar, D.; Handy, A.; Casto, B.; Astudillo, P.; Lichtenberger, A. W.; Cyberey, M.; Mena, P.; Jarufe, C.; Hawkins, B.

Source

2023 XXXVth General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS) General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS), 2023 XXXVth. :1-4 Aug, 2023

Subject

Aerospace
Bioengineering
Communication, Networking and Broadcast Technologies
Components, Circuits, Devices and Systems
Engineered Materials, Dielectrics and Plasmas
Fields, Waves and Electromagnetics
Geoscience
Photonics and Electrooptics
Robotics and Control Systems
Signal Processing and Analysis
Superconducting devices
Radio frequency
Local oscillators
Sensitivity
Planets
Receivers
Complexity theory

Language

ISSN

2642-4339

Abstract

We report on the design of the ALMA “Band 6v2” Superconductor-Insulator-Superconductor (SIS) receiver, an upgraded version of the existing 211-275 GHz ALMA Band 6v1 receiver. The Band 6v2 receiver complies with the strategies defined in the ALMA Development Roadmap to 2030. Our goal is to deliver an improved production-level receiver based on (i) a new Cold Cartridge Assembly (CCA) with increased sensitivity over an expanded 4-16 GHz IF (Intermediate Frequency) band (420 GHz goal) and a modestly expanded 209-281 GHz RF (Radio Frequency) band, and (ii) a new low-noise local oscillator (the Warm Cartridge Assembly or WCA). The new Band 6v2 receiver will be backward-compatible with the current Band 6 receiver and will be able to be installed in the ALMA Front-End cryostat as a replacement for the existing units.

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