1366 THE BELL SYSTEM TECHNICAL JOURNAL, NOVEMBER 1953 

 80 



•100 



■120 



-140 



■160 



200 



175 



150 



Z 125 



100 



75 



50 



25 



200 300 400 500 600 700 

 APPLIED FIELD IN OERSTEDS 



0.100 0.200 0.300 0.400 



SPACING, X, FROM GUIDE WALL IN INCHES 



Fig. 20 — Phase shift versus applied field and differential phase shift versus 

 position of the ferrite plate. 



