INDUCTANCES, CAPACITANCES AND RESISTANCES 

 which simpUfies to 



I^out 1 ( 1 



in 



l-co^-C\+j\^--^^ + 



/coL oi^D-C (oCR] 

 \2R~ 



SR 



Now let L/2 = Rjcoc and C =- IjojcR 



Kout _ 1 

 2 



Fin 



1 



1-2 



lo 



,OJc^ 



in 



'2. 



1 



2 



1 



2-- - 

 . o)c \mcJ J 



1-2 ^' 



]• + (^JT' 



+ 



2^ 



Wo/ J . 



1/2 



The one-half here represents the usual loss of e.m.f. consequent upon the use 

 of a matched load. The bracketed term describes the filter performance. 

 By the usual process the phase shift is seen to be 



3 



(j) = tan" 



-1 \^c/ ^ 



CO 



CO J 



1-21 





Extent to which matching is preserved — In Figure 5.17, the impedance 



Figure 5.17 

 looking in at the front of the filter is 



Z=ja)^-] 2^ j— 



^+>2+>C 



CO- 



€FM-f^- 



R_y 



coC) 



S6 



