HT SUPPLIES 



Fixed output 

 about 450 V 



6-3Va.c 

 output 



Nol 

 voltage 

 control 



10 H 



Voltmeter 

 , selector switch 







5R4 



l6u,F 



A25-0-425< 

 300 mA 



Common 

 negative 

 terminal 



^V- 



Each output 

 variable in 

 range 70 -350 V 

 OtolOOmA 



<i Output No.l o Output No.2 i Output Na3 



Figure 37.12 



Mains 

 input 



50k 100 fl 



50 fi 



0-500 



0-5uF 



Wide range 



variable 



stabilized 



supply out 



fHighN 

 yangej 



+650 



+ 450' 

 /Low \ 

 I range! 



Unstabilized 

 supply in 



2nF Auxiliary 



" negative 



supply in 



<3 



10k -450 



Figure 37.13 



593 



