KENNELLY. — EQUIVALENT CIRCUITS OF COMPOSITE LINES. 65 



The architrave impedance is then 



„ . , _ cosh 8 C cosh Sj, 



p = z\ smh o A 



B n 



cosh 8 B cosh S D B gD 

 = 60,240 ohms. 



The A-leak is computed regularly from (78) and (79). 



A- 



e 1 = 2 



•b 



a z = 1 s 



^-D 



ohms (116) 





£ 



"4.1 







§2 





* ' T ^ I0OO" 7.-.9/W1" I. JO»>- » 



Z^= 1000' 



Zi=S000~ 





« g, ,2 EC frjg Dg^p . A j° 5 ' = 2 E:C ^ aM DjEfr-* 



t| 7i=l000":_ 



Z.,e20OO* 





.2 =.2000" 



2>25W>- * 



G 



, 9Si-Hz" O H19W . 



A* rr rF 



K»87/xio" J <*sii»6i-W 



G' 



Figure 12. Composite line of three sections with intermediate leak load. 



To complete the (1, ground the line at the opposite end, as at A 2 , 

 and develop the line-angles towards F 2 , in the same manner as above. 

 The architrave impedance is then 



p" = z z sinh S F 



cosh Sj, cosh S B B g 



cosh 8 E cosh 8 C R gE 

 = 60,240 ohms. 



The F-leak is computed regularly from (81) and (82). 

 vol. xlv. — 5 



ohms (117) 



