THEORY AND DESIGN OF WAVE-FILTERS 



31 



K 21 (-6) ^{N 



^wy^ j- t-^w ^ h-K^ HI-^r 



u 



X. 



u 1= l ai^aKwCa) 



2 JJt i v n rx 2r 



i 



1000 



Resistance (-) and Reactance ( — Components of K 21 C6) 



-1000 



2000 4-000 6000 8000 10000 12000 



Cvcles 



Fig.* 10 — Composite Band Pass^Wave-Filter. 



