Mixer-Preamp to Receiver Interface Considerations for ALMA Band 6
نویسنده
چکیده
The NRAO CDL is preparing to construct test receivers for use in production of the Band-6 mixer-preamps for ALMA. The discussion below applies primarily to the mixer-preamp to test receiver interface, but should also be useful as a guide to the mixer-preamp interface with the cartridges all the listed connections will be available on the mixer-preamp and can be used as desired by the cartridge designer (NRAO/Tucson for Band 6). For example, in the cartridges it might be decided to use two-wire bias to the SIS mixers at the cost of much of the diagnostic capability of the six-wire scheme.
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