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8LO7I

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Single-beam tube 8LO7I (8LO-7I, 8LO 7I, 8L07I, 8L0-7I, 8L0 7I)

    For visual observation of electrical processes in electronic devices.
Emission color screen - green.
The diameter of the working part of the screen not less than 70mm.
Single-beam tube 8LO7I with a screen round shape with a convex surface, the inner screen separating plate horizontal and vertical deflection. 8LO7I single beam tubes are designed for visual observation of electrical processes in electronic devices.
Emission color screen - green. The diameter of the working part of the screen not less than 70mm. Focused width at screen center lines not exceeding 0.5 mm. Conclusions electrodes 1, 14 - heater 2 - cathode 3 - modulator, 5 - first anode 7 - Y signal deflecting plate 1, 8 - Y signal deflecting plate 2, 9 - second anode, 10, 11, temporary deflection plates X 1, X 2, 12 - Screen 4 - no, 6, 13 - are not connected. Decoration - glass wedge base. Weight 0.4 kg.
 
The main parameters of the device on the tube dnoluchevaya 8LO7I
at U n = 6.3; U al = 150 ... 350V; U a2 = 2 kV; U 3an = - (40 ... 80) in the
 
Name
No less
Not more than
Heater current, A
0.27
0.33
Modulation In
 
30
Leakage current between the cathode and heater, uA
 
30
Leakage current modulator circuit, uA
 
5
The brightness of the screen, cd / m 2
12
 
Afterglow time, with
 
0.1
Sensitivity mm / C:
   
temporary deflection plates X 1, X 2
0.25
0.35
deflecting plates signal Y 1, Y 2
0.5
0.6
Operating time, h
1000
 
Criteria life at work:
   
width of the focused line in the center of the screen, mm
 
0.6
Modulation In
 
40
The capacitance between the electrodes pF:
   
Cathode - all electrodes
 
8
Modulator - all electrodes
 
8
Plate X 1 - X 2 plate
 
4
Plate Y 1 - Y 2 plate
 
4
Y plate 1 - all electrodes
 
10
Plate X 1 - all electrodes
 
12
Plate Y 1 - all electrodes except Y 2
 
8
Plate X 1 - all electrodes, except for X 2
 
8
Plate Y 2 - all electrodes except Y 1
 
8
Plate X 2 - all of the electrodes other than X 1
 
8

Limit operating data Single-beam tube 8LO7I
 
Name
No less
Not more than
Heater voltage,
5.7
6.9
A first anode voltage, V
0
600
Ultor voltage, V
1500
2200
Power modulator in
-150
-1
The voltage relative to the cathode heater, V
-125
0
The voltage between each of the deflection plates and the second anode, in
-550
550
The impedance circuit in any of the deflector
plates at a frequency of 50 Hz, MW
 
1
Resistance in the modulator, MW
 
1

Photos 8LO7I

8LO7I device image.
8LO7I device image.
8LO7I front view.
8LO7I front view.
8LO7I side view.
8LO7I side view.
8LO7I rear view.
8LO7I rear view.


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