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Low-noise room-temperature wideband parametric amplifiers

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3 Author(s)
Vokes, J.C. ; Services Electronics Research Laboratory, Baldock, UK ; Dawsey, J.R. ; Deadman, H.A.

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.

Published in:

Electronics Letters  (Volume:7 ,  Issue: 22 )