1234 THE BELL SYSTEM TECHNICAL JOURNAL, NOVEMBER 1952 



I^ .^f 



V,:^ V^ 



.1 



>Rb 



-V, 





GENERALIZED EMITTER CIRCUIT 



Fig. 17 — Sj-nopsis of emitter ne 



circuit or R^ = Re ^ case for example may be obtained by a simul- 

 taneous solution of equation (24) for Region I and equation (27) for 

 Region II. Thus 



VMb 



F. 



and 



Rb + Tc 

 Lr, = 0. 



(31) 



(32) 



That the low current turning point falls on the emitter current axis, 

 i.e., I(p = 0, is a consequence of the original assumption that Tm, = 



