TY - JOUR AU - James Randa AU - Eyal Gerecht AU - Dazhen Gu AU - Robert Billinger C2 - IEEE Transactions on Microwave Theory and Techniques DA - 2006-03-01 00:03:00 LA - en M1 - 54 PB - IEEE Transactions on Microwave Theory and Techniques PY - 2006 TI - Precision Measurement Method for Cryogenic Amplifier Noise Temperatures Below 5 K UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=32017 ER -