MIL-PRF-1/1296F
TABLE I. Testing and inspection - Continued.
Limits
Inspection
Method
Conditions
Symbol
Min
Max
Unit
Periodic-check tests - Continued
Direct-interelectrode
1331
capacitances
k to all
Ck
----
5.0
pF
g1 to all
Cg1
----
6.2
pF
D1 to D2
CD1
----
2.7
pF
D3 to D4
CD3
----
1.9
pF
D1 to all
CD1
----
5.8
pF
D2 to all
CD2
----
5.8
pF
D3 to all
CD3
----
4.3
pF
D4 to all
CD4
----
4.3
pF
Pressure
1141
----
----
----
----
Vibration
5111
Width
----
1.0
mm
Stray light emission
5216
Eb2 = 3,300 V dc
----
----
----
----
(conventional types)
Eb3 = 6,600 V dc
1/
It is recommended that the deflection electrode circuit resistances be approximately equal.
2/
This tube is designed for optimum performance when operating at an Eb3/Eb2 ratio of 2.0. Operation at other ratios of Eb3/Eb2
may result in changes in deflection uniformity and pattern distortion.
3/
All tests shall be performed with the tube shielded.
4/
The focused sides of a raster pattern centered with respect to the tube face and whose mean dimensions are 2.25 x 2.25 inches
(57.15 x 57.15 mm), shall not deviate from straight lines passing through the corners by more than the value specified herein.
5/
All portions of a raster pattern, adjusted so its widest points just touch the sides of a 2.295-inch (58.29 mm) rectangle, will fall within
the area bounded by the 2.295 x 2.295-inch (58.29 x 58.29 mm) rectangle and an inscribed 2.205 x 2.205-inch
(56.01 x 56.01
mm) rectangle.
6/
The tube shall be operated for a minimum of 5 minutes with Ef = 6.9 V, Eb2 = 3,300 V, Eb3 = 6,600 V. Ec1 shall be maximum
negative; positioning and deflection voltages shall be zero. Viewed under dark conditions with dark-adapted (5 minutes) eye, there
shall be no evidence of fluorescent light when Eb1 is varied from 0 to 1,110 volts. This test shall be performed immediately
following the completion of the other electrical tests.
7/
This test to be performed at the conclusion of the holding period.
4