MIL-PRF-1/974F
TABLE I. Testing and inspection - Continued.
Limits
Inspection
Method
Type
Notes
Conditions
Symbol
Unit
Min
Max
Conformance inspection,
part 1 - Continued
Grid cutoff voltage
5241
All
---
Ec1
-87
-52
V dc
Minimum useful scan
---
All
6/
---
---
---
---
Pattern distortion
5103
All
7/
---
---
2.0
%
Grid No. 1 leakage current
5251
All
---
---
---
---
---
Anode No. 1 leakage current
5251
All
---
---
---
---
---
Anode No. 2 leakage current
5251
All
---
---
---
---
---
Conformance inspection,
part 2
Ib3 = 25 µA dc
µA dc
Electrode current
5201
All
---
Ik
---
500
(cathode)
µA dc
Electrode current
5201
All
---
Ib1
-15
+5
(anode No. 1)
Heater current
1301
All
---
If
540
660
mA dc
Angle between traces
5101
All
---
---
89
91
Degrees
Stray light emission
5216
All
---
Eb2 = 3,300 V dc;
---
---
---
---
(conventional types)
Eb3 = 6,600 V dc
Ib3 = 25 µA dc
Line width "A"
5226
All
---
Width
---
0.35
mm
(electrostatic deflection)
Focusing voltage at cutoff
5246
All
---
Eb1
---
490
V dc
Base alignment
5101
All
---
1D2; Pin No. 5
---
---
---
---
(electrostatic types)
Side terminal alignment
5101
All
---
1D2
---
---
---
---
(electrostatic types)
Side terminal and base
5101
All
---
Pin No. 5
---
---
---
---
alignment
Neck and base alignment
5101
All
---
---
---
---
---
(electrostatic types)
Screens
5221
P7
---
---
---
---
---
P2
9/
cb1
360
---
cb
Ib3 = 25 µA dc
Width
---
0.50
mm
Line width "B"
5226
All
10/
(electrostatic deflection)
Focusing voltage at
5246
All
---
Eb1
320
---
V dc
modulation condition
See footnotes at end of table.
3
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