ADMITTANCES OT I'AlLiLLEL-PLANE ELECTRON TUBES 



643 



100 

 90 

 80 

 70 

 60 



50 



10 40 

 O 



I 



O 30 



tr 



o 



5 

 Z 20 



< 10 

 9 

 8 



7 

 6 

 5 



- Il 



TRIODE NO. TS106 

 CROSS LATERAL GRID 



Rs= 3.40HMS 

 Vh= 7.2 VOLTS 

 Vp = 250 VOLTS 



\^f\r 



jV^y 



12 



v,.X 



1 



_brf_ 



-f — f^ — 1- 



o 

 < 



10 



8 ^ 



z 



6 Ol 



q: 

 tr 



5 D 



3 -4.5 -4.0 -3.5 -3.0 -2.5 -2.0 -1.5 -1.0 -0.5 



GRID VOLTAGE , Vg 



Fig. 21 — Four pole admit tances of a Iriocle having a cross-lateral grid. 



but, as the current density increased, jn tended to decrease. The feedback 

 admittance was ahvays lower for the mesh grid than for the parallel-wire 

 crid. 



