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The Superconducting Flux Flow Transistor: Models and Applications

Conference · · Springer Proceedings in Physics

The superconducting flux flow transistor (SFFT) is a single film, active device generally made from high temperature superconducting (HTS) materials. The device is based on the magnetic control of flux motion, has gain and can operate to over 40 GHz with μm feature size. Existing models are reviewed along with the latest equivalent circuit values derived from S-parameter measurements. Noise performance is compared to that predicted by a relatively simple flux noise model and recent amplifier performance is discussed.

Research Organization:
Sandia National Laboratories (SNL-NM), Albuquerque, NM (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC04-76DP00789
OSTI ID:
5529337
Report Number(s):
SAND--91-1272C; CONF-9106224--1; ON: DE91014702
Journal Information:
Springer Proceedings in Physics, Journal Name: Springer Proceedings in Physics Vol. 64; ISSN 0930-8989
Publisher:
Springer
Country of Publication:
United States
Language:
English

References (2)

Thin-film flux transformers of YBa/sub 2/Cu/sub 3/O/sub 7-x/ journal March 1991
A model and equivalent circuit for a superconducting flux flow transistor journal June 1991