Title :
A Coolable Degenerate Parametric Amplifier for Millimeter Waves (Letters)
fDate :
5/1/1974 12:00:00 AM
Abstract :
The first 20-K-cooled degenerate parametric amplifier for 46 GHz is described. New 20-K-cooled circulators and Schottky-barrier varactors are used. Its noise temperature of less than 60 K means almost an order-of-magnitude improvement over previous uncooled amplifiers.
Keywords :
Capacitance; Circulators; Cutoff frequency; Diodes; Educational institutions; Electrical resistance measurement; Frequency measurement; Temperature measurement; Varactors; Voltage;
Journal_Title :
Microwave Theory and Techniques, IEEE Transactions on
DOI :
10.1109/TMTT.1974.1128291
