MIL-PRF-1/36J
TABLE I. Testing and Inspection -Continued.
Limits
MIL-STD-1311
Requirement or test
Unit
Type
Conditions
Symbol
method
Min
Max
Conformance inspection,
part 3
Life-test provisions
---
P1, P2,
Group C;
---
---
---
---
P7, P11
t = 500 hours (min)
Eb3 = 4,400 V dc;
Eb2 = 2,200 V dc;
Ib3 = 30 µA dc
P12
Group C;
---
---
---
---
t = 500 hours (min)
Eb3 = 4,400 V dc
Eb2 = 2,200 V dc
Ib3 = 5 µA dc
Life-test end points:
---
Ib3 = 100 µA dc
ĆEc
Modulation
5223
P1, P2,
---
40
V dc
P11,P12
Ib3 = 150 µA dc
ĆEc
P7
---
55
V dc
P1, P2, P11 Ib3 = 100 µA dc
Line width "A"
5226
Width
---
0.75
mm
Ib3 = 150 µA dc
(electrostatic deflection)
P7
Width
---
0.86
mm
Ib3 = 5 µA dc
P12
Width
---
0.35
mm
P1, P2, P11 Ib3 = 100 µA dc
Line width "B"
5226
Width
---
0.90
mm
Ib3 = 150 µA dc
(electrostatic deflection)
P7
Width
---
1.12
mm
Ib3 = 5 µA dc
P12
Width
---
0.40
mm
Direct-interelectrode
1331
All
g1 to all
Cgl
---
10.5
pF
capacitance
k to all
Ck
---
10.5
pF
D1 TO D2
C1D2
---
4.0
pF
D3 TO D4
C3D4
---
3.5
pF
D1 TO ALL
CD1
---
15.0
pF
D2 TO ALL
CD2
---
15.0
pF
D3 TO ALL
CD3
---
12.0
pF
D4 TO ALL
CD4
---
12.0
pF
(See Note 10)
NOTES:
1/ The tube can be severely and permanently damaged if the current density on the screen is allowed to rise too
high in static tests of this sort. For this reason, the length of time during which the screen is bombarded should
be kept as short as possible compatible with the reading of specified current limits.
Ib3 is to be measured with ĆEc = 40 V dc when cutoff is greater than -40 V dc and with Ecl = 0 when cutoff is
2/
less than -40 V dc.
3/
At specified conditions there shall be no pattern cutoff with the useful screen area.
4/
To prevent burning of the screen, the beam current should not be allowed to exceed that amount necessary to
just produce a visible trace.
5
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