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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研究成果藝廊 > 天文儀器安裝與測試

研究成果藝廊

天文儀器安裝與測試

The SMA Receivers Upgrade
圖片來源: Johnson Han
The SMA Receivers Upgrade
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.
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