MAGNETRON 



TRANSMITTER 



HOUSING 



COUPLING 

 TO COAXIAL 

 ANTENNA 

 FEED LINE-i 



COAXIAL LINE 

 TO RECEIVER 



COAXIAL LINE 

 FROM TRANSMITTER 



Fig. 5 — The series branching circuit emjiloying the 721A tul)c used in the SCR545 



I'ig. 0— Closeup view of the cavity shewn in Fig. 5, partly disassembled 

 to show coui)ling window 



55 



