COAXIAL AND BALANCED TRANSMISSION LINES 



283 



FILTER 

 NO. 



STRUCTURE 



CHARACTERISTIC 

 ATTENUATION 



CHARACTERISTIC IMPEDANCE 



-0, - 



h — 



^02 



o 



FREQUENCY 



.V>l 



.M 



-r^^ 



I FRE- 

 ! OUENCY 



_z 



l. - 



V^ 



l2 J 



^0, 



m. 



j_i 



J_i 



t?Ft 



J] 



"2 



I2H 



J_L 



i_L 



l2 - 



M 



.'U 



, FRE- 

 y QUENCY 



FREQUENCY 



^ A i 



^ A '1 



FRE- 

 QUENCY 



1/ 



FREQUENCY 



4 



I V j QUENC Y 



1/ 



FREQUENCY 



4 / 

 /I /l FRE- 

 ^>^^ ! /-V^ I QUEN CY 



I / 



I / 

 I / 



FREQUENCY 



/I 

 /I 



/U 



I / 



FRE- 

 QUENCY 



FREQUENCY 



NOTE: 



DOTTED LINES INDICATE 

 REACTIVE IMPEDANCE. SOLID LINES 

 INDICATE RESISTIVE IMPEDANCE. 



Fig. 4 — A list of filters constructed from transmission lines. 



