The selection of an HFET amplifier or SIS mixer for ALMA Band 3 (nominally 89-116 GHz, with the option of extending the low end to 85 GHz) has been debated for several years. In this memo, I attempt to set forth the criteria on which the choice should be based and provide some of the information needed to make the final decision.
View a PDF version of ALMA Memo #341.
Download a PS version of ALMA Memo #341.
Last modified: January 4, 2001
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