dc SQUID as a tuned radiofrequency amplifier
Conference
·
OSTI ID:6490394
The design criteria for a tuned radiofrequency amplifier based on a dc SQUID are briefly discussed. A practical amplifier involving a planar dc SQUID with a 4-1/4-turn spiral input coil and operated at 4.2/sup 0/K had a gain of 18.6 +- 0.5 db and a noise temperature of 1.7 +- 0.5/sup 0/K at 93 MHz. These results are in satisfactory agreement with predicted values.
- Research Organization:
- Lawrence Berkeley Lab., CA (USA)
- DOE Contract Number:
- AC03-76SF00098
- OSTI ID:
- 6490394
- Report Number(s):
- LBL-18362; CONF-840937-8; ON: DE85000701
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AMPLIFIERS
DESIGN
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ELECTRONIC EQUIPMENT
EQUIPMENT
FLUXMETERS
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
NOISE
RF SYSTEMS
SQUID DEVICES
SUPERCONDUCTING DEVICES
USES
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
AMPLIFIERS
DESIGN
ELECTRIC COILS
ELECTRICAL EQUIPMENT
ELECTRONIC EQUIPMENT
EQUIPMENT
FLUXMETERS
MEASURING INSTRUMENTS
MICROWAVE EQUIPMENT
NOISE
RF SYSTEMS
SQUID DEVICES
SUPERCONDUCTING DEVICES
USES