Deutsche Akademie der Wissenschaften zu Berlin, Berlin, East Germany
Volume :
3
Issue :
6
fYear :
1967
fDate :
6/1/1967 12:00:00 AM
Firstpage :
274
Lastpage :
276
Abstract :
It is shown how a low-noise parametric down-convertor can be realised by using two incommensurable pumping generators. The properties of the system, such as gain-bandwidth product and minimum-noise temperature, are discussed.