PULSE MODULATOR TUBES 



827 



tions. Although this structure sacrificed something in electronic perform- 

 ance over the 701 A it still was quite satisfactory as a pulse modulator. 



0.2 0.4 0.6 0.8 1.0 1.2 



0.5 1.0 1.5 2.0 2.5 3.0 O 



PLATE POTENTIAL IN KILOVOLTS >. 



a. Lu 

 05 

 Q< 2 



O-500 



"J -600 



50 100 150 200 250 300 

 GRID POTENTIAL IN VOLTS 



4 8 12 16 20 24 



PLATE POTENTIAL IN KILOVOLTS 



Fig. 6 (Continued) 



The characteristics of the 715A tube applicable to both high voltage and 

 low voltage operation are shown in Fig. 6. It was found that in spite of 



