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11LO7I

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    Cathode ray tube 11LO7I

    The cathode ray tube 11LO7I - vacuum tube, designed for visual recording of electrical processes in electronic devices.
    Focusing the beam - electrostatic.
    Deflection - electrostatically.
    Emission color screen - green.
    The size of the working of the screen 60 × 80mm.
    Design: glass, wedge base (RSH31V).
    Mass of the tube does not exceed 0.9 kg. Cathode-ray tubes 11LO7I applies mainly of radio equipment in oscilloscopes.
 
11LO7I cathode ray tube product drawing
11LO7I cathode ray tube product drawing
    Identifying the 11LO7I:

    - 11 - screen size pipe diameter in inches;
    - LO - oscillographic lamp;
    - 7 - Number that occupies tube, among others with the same screen size;
    - I - type designation screen.

    Main technical characteristics 11LO7I

    The line width of the device:
    - In the direction of the sweep signal: ≤ 0,4 mm;
    - In the direction of the sweep time: ≤ 0,6 mm.
    Lamp brightness of the screen: ≥ 55kd / m 2.
    Lamp filament current 270 mA - 330mA.
    The voltage of the product and its components 11LO7I served in Table 1.
 
Table 1.
Title type voltage The value in the
First focusing electrode 250 - 450
2 first focusing electrode 400 - 600
Cathode -1500
Balancing plate 0
Net 0 - 200
Corrective electrode ± 50
The biasing electrode 145
The modulator locking -30 to -80
Modulation ≤ 72
   
Sensitivity to rejection elements 11LO7I has the following values:
    - Temporary plates ≥ 1 mm / V;
    - Signal plates ≥ 5 mm / V.
    Start-up time 11LO7I tube at least 2 minutes.
    Interelectrode capacitances:
    - Cathode - all electrodes ≤ 10 pF;
    - Modulator - all electrodes ≤ 20pF;
    - Plates between the signal ≤ 6pF;
    - Between the time the plates ≤ 8pF.
    Hours 11LO7I is not less than 750 hours.
    Limit operating data pipes served in Table 2.
 
Table 2.
Name The minimum value of Maximum
Heater voltage, 5.7 6.9
Anode voltage, kV 3.8 4.2
Cathode voltage, kV -1.3 -1.8
Heater voltage, V 135 -135
The average potential of the deflection system, in temporal -25 25
siganalnoy -3 3

Photos: 11LO7I

11LO7I device image.
11LO7I device image.


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