Title :
Low-noise room-temperature wideband parametric amplifiers
Author :
Vokes, J.C. ; Dawsey, J.R. ; Deadman, H.A.
Author_Institution :
Services Electronics Research Laboratory, Baldock, UK
Abstract :
Two room-temperature parametric amplifiers are described which have gains of 26 dB. One has an excess noise temperature of between 74 and 85 K across the band 3.7¿4.2 GHz, and the other has an excess noise temperature of between 85 and 99 K across the band 7.25¿7.75 GHz.
Keywords :
noise; parametric amplifiers; wideband amplifiers; 26 dB gain; low noise room temperature wideband parametric amplifiers; varactor diodes;
Journal_Title :
Electronics Letters
DOI :
10.1049/el:19710448
