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BELL SYSTEM TECHNICAL JOURNAL 



Network 6 



A- and ^-characteristics are similar to those of Networks 2a and 4a. 



Rn = 



aiR 



L\2 — 



Ru = 



■K{aiaibi — ai'bi — a^) 

 la^R 



T bi 



RnR2i = L12/C22 = L13/C23 = RuR2i = R^- 



TU 



= ^2A ^ inio ^ 



F = e 



10 



1 + P2P + PJ' 



1 + Q2r + Qj' 



Attenuation Linear Equation: 



P2 +PP. - FQ2 - PFQ, = (F- \)ip. 

 In unrestricted solutions, where '^ Qi '^ Pi'. 



^1 } or ^j } = i(V^2 + 2Vp: ± V<22 - 2V5;) ; 



Also 



^1 } or^l } = Ka/^2 + 2Vp: ± V<22 + 2V(2.); 



02 



b2 



In physical solutions ai, a^, &i, 62 are positive; 



// = tan B 



a^bi + a{- ^ aiOa^i. \ 



2ai/ — 2(ai62 — ^2^1)/^ 

 1 - (ai2 _ 6,2 + 262)/- - {a^' - bi)P 



