Title : 
Excess noise in stable and injection-locked IMPATT diode amplifiers at high-power levels
         
        
        
            Author_Institution : 
Siemens AG, Munich, Germany
         
        
        
        
        
        
        
            Abstract : 
The mechanisms responsible for the excess noise in IMPATT diode power amplifiers have been investigated. The stable amplifier has been found to have a lower effective noise figure than an injection-locked oscillator with the same output power.
         
        
            Keywords : 
Diodes; Frequency modulation; High power amplifiers; Impedance; Low-frequency noise; Noise figure; Noise level; Power amplifiers; Radio frequency; Radiofrequency amplifiers;
         
        
        
        
            Conference_Titel : 
Solid-State Circuits Conference. Digest of Technical Papers. 1973 IEEE International
         
        
            Conference_Location : 
Philadelphia, PA, USA
         
        
        
            DOI : 
10.1109/ISSCC.1973.1155155