VACUUM TUBES AS HIGH-FREQUENCY OSCILLATORS 131 



730 q 



1.90 1.95 2.00 2.05 2.10 2.15 2.20 2.25 2.30 2.35 2.40 2.45 2.50 

 ANODE POTENTIAL IN KILOVOLTS 



Fig. 31 — Relation of output and frequency to anode potential in magnetron 

 oscillator of second type. 



D 720 



a 



0.58 0.59 0.60 



MAGNETIC FIELD CURRENT IN AMPERES 



Fig. 32 — Relation of frequency to magnetic field current in magnetron oscillator 



of second type. 



