Mrrc.ii. ixnii. r.iw I: i\ ir.iii iii iih\ 7<> 



For t'xampli', tin.- two iiu-slirs in I'Il;. 17. \ will l)c i-cjiiiv .liciil if 

 Cx =.Ot)'.t inf. C's =.001 ml. /., =.001 li. 



(•„ = .0(MK) mf. (■.i=.00()l mf. A, =.10()li. 



.111(1 iIk- two iiu-shrs ill l-'ii;. I7M will lii' r(|iii\aU'iit if 



/,, = .()()•_' h. r, = .02.') mf. /,,. = .OOS h. 



/-.i = .01()li. C'.,=.001mf. /wi = .01()ii. 



.\ls(). the ft)ur nu'shes of Fig. 17C will he e(|iii\alciU if 



Lk = 001 h. Z..S = .002 h. Ck = .001 mf. C.s = .0(12 „if. 



/,, = .0(H) h. /... = .003 h. Ci = .000:«3 mf. C',. = .001)tiC.7 mf. 



/,, = .0011i. /./i=.002 1i. Ci = .003 inf. CB=.l)()()(i(i7 mf. 



Lv = .003 h. Lii = .000LU)7 h. Cy = .001 mf. rii= .002 mf. 



anil thf fmir meshes i)f Fig. 171) will he eciiiixaieiu if 

 Lr = .001 h. Ls = .001 h. Ck = .001 mf. t'.s = .002 mf . 



L, = .0000555 h. U = .0005 h. Ci = .024 mf. G = 003 mf. 



La = .0045 h. Lb = .0005 h. Ci = .000333 mf . Cb = .0()2f)7 mf . 



Ai=.000555h. Lir=005h. C"i=.n03mf. 0= .00024 mf. 



It is then evident that the following reactance meshes of Fig. 5 

 may he designed to he equivalent: 5a and oh; (ja and (ih; 7a, 7b, 7c, 

 and 7d; and 8a, Sh. 8c, and 8d. Hence, the following tiller sections 



o VWW- 



-AW^ o 



-JWWV 



Zc 



Fig. 18 — Equivalent T and ir r,tncrallzffl Networks 



referred to in Table II have, for the same impedance and propagation 

 characteristics, a number of variant forms of ph\-sical configuration. 

 4-6. 6-2, 3-.'), 6-4, 2-6, 5-3, 4-5, 1-5, 3-6, 5-4, 5- 1,4-8, 

 5-5, 6-6, 7-3, 6-3, 3-7, 4-7, 8-4 and 8-3. 



Of the equivalent me.shes having three accessible terminals the 

 most common are the familiar T and tt networks. The general rela- 

 tionships which must be obser\-ed for the equiwilence of 7" or jr net- 



