654 



BELL SYSTEM TECHNICAL JOURNAL 



5 6 7 6 9 10 



SPACING, S2,IN MILS 



13 14 \b 16 



Fig. 7 — Passive transadmittances of a triode having a cross-lateral grid of 0.3 mil 

 wire wound at 550 turns per inch. 



^ttl'20 



01 2345670 



SPACING, 52, IN MILS 



Fig. 8 — Phase of the transadmittance of the parallel-wire grid. 



