POTENTIAL ANALOGUE METHOD OF NETWORK SYNTHESIS 



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FREQUENCY, CO 



Fig. 12 — Curves showing successive approximations to zero gain with maximally flat filters 



Fig. 13— A symmetrical charge distribution about the real frequency axis used to 

 correct the phase delay. 



of Fig. 5 the two sets of charges can be interpreted as equal and opposite 

 charge densities on the two halves of the contour, thus giving a constant 



