580 



BELL SYSTEM TECHNICAL JOURNAL 



TUNER YOKE 

 CONNECTOR WIRE 



FOCUSING WIRES 

 TUNER GRID 

 TUNER CATHODE 



CAVITY GRIDS 

 COUPLING LOOP 



CATHODE HEATER 



■COAXIAL OUTPUT 

 LEAD 



Fig. 76. — Internal features of the W.E. 2K45: section through the output lead and 

 normal to the tuner cathode and strut. 



