PULSE MODULATOR TUBES 



823 



Q- 1.2 



y 0.4 



0.5 1.0 1.5 



plate potential 



2.0 2.5 3.0 



J KILOVOLTS 



PLATE CURRENT 



SCREEN CURRENT 



1.5 2.0 2.5 3.0 4 6 



PLATE POTENTIAL IN KILOVOLTS 



Fig. 4 — Characteristics of the 7()1A vacuum tube. 



