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      Quick reference data
      
      
      
      Heating
      Heating is indirect by AC or DC, with serial or parallel supply.  
  
    | Heater voltage  | 
    Vf  | 
    6,3 | 
    12,6 | 
    (V) | 
   
  
    | Heater current  | 
    If  | 
    0,6 | 
    0,3 | 
    (A) | 
   
 
      
      Dimensions and connections
      Base: Noval 
      
      Typical characteristics and operating conditions
  
    |   | 
    Class A1 amplifier | 
    Vertical deflection amplifier | 
      | 
   
  
    | Anode voltage | 
    Va | 
    250 | 
    350 | 
    (V) | 
   
  
    | Grid voltage | 
    Vg | 
    -10,5 | 
      | 
    (V) | 
   
  
    | Anode current | 
    Ia | 
    11,5 | 
    16 | 
    (mA) | 
   
  
    | Transconductance | 
    S | 
    3,1 | 
    3,1 | 
    (mA/V) | 
   
  
    | Amplification | 
    m | 
    16,5 | 
    16,5 | 
      | 
   
  
    | Anode resistance (approx.) | 
    Ra | 
    5,3 | 
      | 
    (kW) | 
   
  
    | Cathode bias resistor | 
    Rk | 
      | 
    560 | 
    (kW) | 
   
  
    | Grid input voltage | 
    Peak to peak sawtooth component | 
    Vpp | 
      | 
    25 | 
    (V) | 
   
  
    | Negative peak component | 
    Vp | 
      | 
    32 | 
   
  
    | Anode output voltage | 
    Peak positive pulse component | 
    Vp | 
      | 
    670 | 
    (V) | 
   
  
    | Peak to peak sawtooth component | 
    Vpp | 
      | 
    230 | 
   
 
      
      Maximum ratings
  
    |   | 
    Class A1 amplifier | 
    Vertical deflection amplifier | 
      | 
   
  
    | Anode voltage | 
    Va | 
    300 | 
    450 | 
    (V) | 
   
  
    | Peak positive plate voltage | 
      | 
      | 
    1500 | 
    (V) | 
   
  
    Anode dissipation  
      (each section) | 
    Wa | 
    3,5 | 
    3,5 | 
    (W) | 
   
  
    | Peak negative pulse grid voltage | 
      | 
      | 
    250 | 
    (V) | 
   
  
    | Average cathode current (each
      section) | 
      | 
    20 | 
    20 | 
    (mA) | 
   
  
    | Peak cathode current | 
      | 
      | 
    70 | 
    (mA) | 
   
  
    | Grid circuit resistance | 
    fixed bias | 
      | 
    0,25 | 
      | 
    (MW) | 
   
  
    | cathode bias | 
      | 
    1 | 
    2,2 | 
   
 
      
  
  
       
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