MIL-PRF-1/1389F
TABLE I. Testing and inspection.
Limits
Inspection
Method
Notes
Conditions
Symbol
Min
Max
Unit
Qualification inspection
Cathode illumination
5216
---
---
---
---
---
Direct-interelectrode
1331
---
k to all
Ck
---
5.0
pF
capacitance
g1 to all
Cg1
---
6.3
pF
µA dc
Electrode current
5201
---
Ec1 = 0
Ic2
---
5.0
(grid No. 2)
Pressure (implosion)
1141
---
---
---
---
---
Barometric pressure,
1002
7/
---
---
---
---
reduced
Vibration
5111
---
Width
---
2.0
mm
Conformance inspection,
part 1
Voltage breakdown
5201
---
---
---
---
---
Voltage breakdown
5201
---
---
---
---
---
(magnetic types)
Gas ratio
5206
6/
Gr
---
0.25
---
Neck straightness
5101
2/
---
---
---
---
Screen and faceplate
5106
---
---
---
---
---
blemishes
Ib = 400 µA dc
ĆEc1
Modulation
5223
1/
---
40
V dc
Spot position
5231
---
Radius
---
12.5
mm
(magnetic deflection)
Grid cutoff voltage
5241
---
Ec1
20
45
V dc
Ib = 100 µA dc;
---
40
60
mA dc
Focus coil current
5246
---
D = 2.5 inch using JEDEC No.
127 focus coil, or equivalent
Aperture alignment
---
4/
---
---
8
mm
Grid No. 1 leakage current
5251
---
---
---
---
---
See footnotes at end of table.
2
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