DocumentCode
3190891
Title
A 32-GHz reflected-wave maser amplifier with wide instantaneous bandwidth
Author
Shell, J. ; Neff, D.
Author_Institution
Jet Propulsion Lab., California Inst. of Technol., Pasadena, CA, USA
fYear
1988
fDate
25-27 May 1988
Firstpage
789
Abstract
An eight-stage 32-GHz reflected-wave ruby maser is described. The maser operates in a 3-W closed-cycle refrigerator (CCR) at 4.5 K and is capable of a 21-dB net gain with an instantaneous bandwidth of 400 MHz. The input noise temperature referred to the room-temperature flange is approximately 21 K. Although this maser is tunable from approximately 29 to 34 GHz, because of the large pump power requirements it is operated with fixed tuned IMPATT oscillators, effectively making this a fixed-frequency amplifier.<>
Keywords
masers; 21 K; 21 dB; 3 W; 3-W closed-cycle refrigerator; 32 GHz; 32-GHz reflected-wave maser amplifier; 4.5 K; 400 MHz; Al/sub 2/O/sub 3/:Cr laser; CCR; EHF; MM-waves; fixed tuned IMPATT oscillators; input noise temperature; ruby maser; tunable; wide instantaneous bandwidth; Bandwidth; Circulators; K-band; Magnetic fields; Magnetic noise; Magnetic separation; Masers; Superconducting device noise; Superconducting magnets; Waveguide junctions;
fLanguage
English
Publisher
ieee
Conference_Titel
Microwave Symposium Digest, 1988., IEEE MTT-S International
Conference_Location
New York, NY, USA
Type
conf
DOI
10.1109/MWSYM.1988.22150
Filename
22150
Link To Document