Academia Sinica Institute of Astronomy & Astrophysics
中央研究院天文及天文物理研究所
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The evolution of the SMA receiver configuration: the low-noise amplifier (LNA) upgrade. In 2007, the LNA bandwidth remained in 4-6GHz for first generation receiver. By 2011, the amplifier was upgraded to TTI-CLNA-4080 with 4-8GHz bandwidth, manufacture by a Spanish company. Now, we are using the new amplifier, CITCRYO1-12A, made by California Institute of Technology. This new upgrade increases the receiver bandwidth to 4-12GHz.
The SMA Receivers Upgrade
Wide IF Band Receiver
300GHz receiver with wide IF range
One of the two SMA wideband 300GHz receiver inserts from ASIAA. This is a new generation receiver with wider IF operation frequency from 4GHz to 12GHz. This receiver has shown fairly flat noise temperature performance between 4 to 12GHz, and the lowest noise contribution of this receiver has approached to 3 times quantum noise. (3hv/k)
New Generation SMA 300GHz Receiver
Yen, Sheng-Feng
Engineer
photo of Yen, Sheng-Feng
Office: ASMAB 1208
TEL: +886-2-2366-5388
FAX: +886-2-2367-7849
Email: sfyen_replace2@_asiaa.sinica.edu.tw

Research Interests

Electrical Engineering, Telescope operation.

Journal Papers affiliated with ASIAA

  1. Lee C-H; Lin H-W; Chen Y-T; Yen S-F, "Infrared Observations of 2I/Borisov near Perihelion" , AJ: 160(3), id.132 (6pp.), Sep, 2020 [SCI] ( ADS | Fulltext )
  2. Lee C-H; Lin H-W; Chen Y-T; Yen S-F, "FLAMINGOS-2 Infrared Photometry of 2I/Borisov" , RNAAS: 3(12), id. 184 (3 pp.), Dec, 2019 ( ADS | Fulltext )
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