62 



lU.LI. SYSILSt II.UIMC.IL JULKS.U. 



8a, 8b, 8c and 8(1. L'sing these reactance comliinalions ' for the 

 series and shunt arms, there are only a relati\x'ly small number of 

 types of filter struct iirc-^. All of these types of filter structures arc 



',- 



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f 03 QO 



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 5 



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12 



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15 



+y\+/ 



CD 



16 



\A/ A^-K- 4.U-i \[\/ V+A A-v A""'' 



OfOOO mo QDO CDO 030 CDC CD 



17 18 19 20 21 22 23 



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f CD 

 25 





2G 



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27 





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26 



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CD 

 29 



+(\n- 



cm 



CD 



30 





31 





CD- 



32 





f 



33 



CD 





34 



/' /* '1 



'+V-»' 

 t^ V t I 



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35 





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m 

 40 



RESISTANCE 



REACTANCE (POSITIVE (+) OR NEGATlVEH) 



I-"iK. S -MulScrics and Micl-Sluint Imapc Impedance Characteristics, Shown in 

 Symliolic Form 



li>ti'<l in Talili- II. .iiid .ire called low />(j,s.v, /n'lj/; fxiss, and hiiiid pass 

 filters (having only one transmission band) and baud elimination 



' The grniral nuthcirl of ileriving the nttcniialion and phase characteristics of a 

 Mt'liiin from the rearlance-frr«|iienry characteristics of its scries ami shunt arms 

 in diM'Uuol by /olicl in Bililiography 13. 



