Advanced version of two stage dc SQUID-based amplifierстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Местоположение издательства:Piscataway, NJ, United States
Первая страница:2906
Последняя страница:2908
Аннотация:An advanced, version of a two stage de SQUID-based low frequency amplifier and its measured signal and noise parameters are presented in this report. An effective input inductance of about 2.9 mu H, a SQUID’s inductance of about 11 pH, an effective coupling k(2) of about 0.24 and a white noise level of about 0.87 mu Phi(o)/Hz(1/2) at 4.2 Kelvin were achieved. The gradiometric scheme, a modified distributed damping filter and a modified geometry of coupling transformers have been used to suppress the influences of the external noise and resonances in the SQUID microstructure.