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BELL SYSTEM TECHNICAL JOURNAL 



angle may be obtained from Fig. 30a, which gives the conductance family. 

 This gives the frequency variation with angle indicated by tlie curve con- 



AMPLITUDE OF OSCILLATION, V *■ 



Fig. 31. — Theoretical variation of the susceptaiice components of electronic admittance 

 vs amplitude of oscillation for the case in which two components of electronic susceptance 

 are in phase addition. 



necting the dots of Fig. 301). On the assumption that A0, and A0 vary at 

 the same rate with repeller voltage a symmetrical variation about A0 = 

 will occur as shown in Fig. 30b. However, from the arguments used con- 



