Antenna and Feed (Excluding Mounting Structure) 



Typical bipolar 

 transistor: 350 



Premium grade bipolar 

 transistor: 600 



Gallium-arsenide FET: 1,500 



Ambient temperature 

 parametric amplifier: 25,000 



Cryogenic parametric 

 amplifier: 100,000 



3,000 



4,000 



(Depends on application) 



64 



