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resistance R, is a good simulation of Wik{m, m') or W-iki'n, w')- The 

 latter are, as we know, approximately constant resistances equal to R 

 over desired frequency ranges and are reactances at other frequencies. 

 An interesting use of either or both of these simulating networks would 

 be as a balancing network against a resistance R or against each other 

 in a hybrid set. At frequencies in those ranges where the balance is 

 quite accurate, currents in the main circuit would be highly attenuated, 

 these attenuating bands corresponding to the transmitting bands of the 

 wave-tilter impedance section. 



Part 4. Simulation of Loaded Line Impedances 



The networks of Fig. 17 are capable of giving impedance simu- 

 lation over the greater part of the principal transmitting band of a 



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Fig. 17 — Impedance networks which simulate the iterative impedances, Ki and K2, of 

 a loaded line at mid-load and mid-section terminations, respectively. 



