COAXIAL AND BALANCED TRANSMISSION LINES 



299 



FILTER 

 NO 



STRUCTURE 



CHARACTERISTIC 

 ATTENUATION 



MID-SERIES 

 IMPEDANCE 



MID-SHUNT 

 IMPEDANCE 



a 



5 FREQUENCY 



u 



'^FREQUENCY 



FREQUENCY 



"^ FRE- 

 QUENCY 



5 FREQUENCY 



FREQUENCY 



FRE- 

 QUENCY 



b FREQUENCY 



FREQUENCY 



u 



i ^^^FREQUENCY 

 Q- T^— 



i^n 



a 



5 FREQUENCY 



J^^ 



I FREQUENCY 



kJ 



•FREQUENCY 



a 



¥ 



FREQUENCY 



rsL 



I FREQUENCY 



/frequency 



FREQUENCY 



frequency 



/ 



FREQUENCY 



M 



y FREQUENCY 



NOTE DOTTED LINES INDICATE 



REACTIVE IMPEDANCE. SOLID LINES 



INDICATE RESISTIVE IMPEDANCE 



Fig. 12 — A list of filter structures employing transmission lines and condensers. 



