1、MIL-PRF-1/974F E 999990b 2118288 735 = Parameter: unit: Maximum: Minimum: -1 MIL-PRF-11974F 27 Auaust 1999 SUPERSEDING 20 July 1976 MILE-l/974E Ef Ecl Ebl Eb2 Eb3 ed Rg Zd Ehk Eb3Eb2 Alt V Vdc Vdc Vdc Vdc v Meg Meg Vdc Ratio ft 6.9 O 1,100 3,300 6,600 600 1.5 1.0 11 fi80 2.0 2/ 50,000 5.7 -200 - 1,0
2、00 1,000 - _ _ _ - _ PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, CATHODE RAY TYPES 3ADPI13ADP2, 3ADP7, AND 3ADP11 This specification is approved for use by all epart- ments and Agencies of the Department of Defense. The requirements for acquiring the electron tube desmbed herein shall consist of
3、this document and the latest issue of MIL-PRF-1. DESCRIPTION: Electrostatic deflection and focus, flat face with post accelerator. DIMENSIONS AND PIN CONNECTIONS: See figure 1 ABSOLUTE RATINGS: See footnotes at end of table I. GENERAL: Qualification: Required AMSC NIA 1 of 7 DISTRIBUTION STATEMENT A
4、. Approved for public release; distribution is unlimited. FSC 5960 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-L/974F 999990b 2LL8289 b7L = MI L-PRF-I 1974F TABLE I. Testina and insoection. Inspection Qualification insoection Pressure (im
5、plosion) Barometric pressure, reduced Vibration Direct-interelectrode capacitance Neck and bulb alignment (electrostatic types) Cathode illumination Deflection factor Deflection factor Deflection-factor uniformity Base material insulating quality Confonation insDection Light output Voltage breakdown
6、 Voltage breakdown Gas “cross“ Screen and faceplate blemishes Modulation Spot position (electrostatic types) (electrostatic deflectior Spot displacement (leakage) Method 1141 1002 51 11 1331 5101 5216 5248 5248 5248 1216 5221 5201 5201 5206 5106 5223 5231 5231 Type All All All All All All All All Al
7、l All PI PI 1 All All All All All All All Notes Conditions a7 I 4 mmHg k to all gl to all DI to D2 DI to all D2 to all D3 to all D4 to all D3 to D4 1 D2, Eb3 = Eb2 = 2,000 V dc 3D4, Eb3 = Eb2 = 2,000 V dc 1 D2 lb3 = 25 pA dc lb3 = 25 pA dc b3 = 25 A dc b3 = 25 pA dc Symbol _ -_ Wdth Ck CI D2 c3D4 CD
8、1 CD2 CD3 CD4 Dia Cgl _ DF DF _ -I Light Light - _ - AEcl Displ its - Max - _ 1 .o 4.5 7.2 2.0 1.6 4.6 4.6 3.6 3.6 I .a7 - 132 60 - _ Unit ?e footnotes at end of table. n L Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-PRF-L/974F W 9999906 2LL
9、8290 393 W Inspection Conformance inspection, - Continued Grid cutoff voltage Minimum useful scan Pattern distortion Grid No. 1 leakage current Anode No. 1 leakage current Anode No. 2 leakage current Conformance insDection, 9eda Electrode current (cathode) Electrode current (anode No. 1) Heater curr
10、ent Angle between traces Stray light emission (conventional types) (electrostatic deflection) Focusing voltage at cutoff Base alignment (electrostatic types) Side terminal alignment (electrostatic types) Side terminal and base alignment (electrostatic types) Line width “A Neck and base alignment Scr
11、eens Line width “B“ (electrostatic deflection) modulation condition Focusing voltage at Method 5241 _- 51 03 5251 5251 5251 5201 5201 1301 5101 5216 5226 5246 51 O1 51 O1 51 O1 5101 5221 5226 5246 MIL-PRF-11974F TABLE I. Testinci and inspection - Continued. TY Pe All All All All All All All All All
12、All All All All All All All All P7 P2 All All Notes Conditions b3 = 25 pA dc ib2 = 3,300 V dc: Ib3 = 6,600 V dc b3 = 25 PA dc D2; Pin No. 5 D2 )in No. 5 33 = 25 pA dc Ik Ibl If _ - Wdth Ebl - -I _ _ _ cbl Wdth Ebl 500 +5 660 91 _ 0.35 490 _ _ _- _- ._ - 0.50 - Unit pA dc pA dc mA dc Degrees - mm V d
13、c I - _- -_ - cb mm V dc See footnotes at end of table. 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Inspection Conformance in-, -2 - Continued Deflection factor (lD2) Deflection factor (3D4) Trace distortion Heater-cathode leakage arrent Secure
14、ness of base, Base pin solder depth Permanence of marking cap, or insert Conformance insoection, m3 Life test Life-test end points: Modulation Line width “A Line width “B Method 5248 5248 - 5251 1101 1111 1105 -I _ 5223 5226 5226 MIL-PRF-11974F TABLE I. Testina and insDection - Continued Type - All
15、All All All All All All All All All All Notes Conditions Group C: lb3 = 25 Adc: t = 500 hours (min) lb3 = 20 pA dc lb3 = 20 pA dc lb3 = 20 pA dc Symbol DF DF _ Ihk - -I _ _ AEcl Mdth Wdth its Max - 163 73 .o20 15 _ - -_ ._ 38 0.35 0.50 Unit V ddinch V ddinch Inch pA dc _ _ _- - V dc mm mm It is reco
16、mmended that the deflection electrode circuit resistances be approximately equal. This tube is designed for optimum performance when operating at an Eb3/Eb2 ratio of 2.0. Operation at other ratios of Eb3lEb2 may result in changes in deflection uniformity and pattern distortion. All tests are to be p
17、erformed with the tube shielded. This test to be performed at the conclusion of the holding period. This test is to be made with a maximum rated voltage (Egl maximum negative voltage) applied to the base pins. Useful scan a. b. All portions of a raster pattern, adjusted so its widest points just tou
18、ch the sides of a 2.295 inches (58.29 mm) by 1.530 inch (38.86 mm) rectangle, will fall within the area bounded by the 2.295 inches (58.29 mm) by 1.530 inch (38.86 mm) rectangle and an inscribed 2.205 inches (56.01 mm) by 1.470 inch (37.34 mm) rectangle. Use a raster size of 2.25 inches (57.15 mm) b
19、y 1.50 inch (38.10 mm), and a type 3 photronic cell without eye correction calibrated in foot candles of illumination from a light source having a color temperature of 2,7018IO The useful scan in the ID2 direction is 2 1.3125 inch (33.34 mm) from the tube face center The useful scan in the 3D4 direc
20、tion is k0.75 inch (1 9.05 mm) from the tube face center. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-L/974F = 9999906 2LL8292 Lbb 9 MlL-PRF-l/974F TABLE I. Testina and insDection - Continued. - 91 Ip1 - 1 II Use a raster size of 2.25 i
21、nches (57.15 mm) by 1.50 inch (38.10 mm) and a beam current of 26.Npic. The line width “B shall be measured at 0.75 inch (19.05 mm) from the tube face center. The focused sides of a raster pattern, centered with respect to the tube face and whose mean dimensions are 2.25 inches (57.15 mm) by 1.50 in
22、ch (38.10 mm), shall not deviate from straight lines passing through the comers by more than the indicated value. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-PRF-L/974F = 9999906 2118293 OT2 = DZ Dl NOTE: Minimum useful screen radius. H H B
23、ASE CONNECTIONS Dimensions Inches Millimeters Min Max Min Max Qualification ins ection Bulb contact: JI-25 Bulb contact: JI-22 FIGURE I. Outline drawina of electron tube tvoes 3ADP1.3ADP2.3ADP7. and 3ADPll 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH
24、S-,-,-Custodians: Navy - EC Air Force - 11 Army - CR DLA - CC MIL-PRF-L/974F E 9999906 23319294 T39 Preparing activity: DLA - CC (Project 5960-3551-1 6) Review activities: Army - CR4 Navy - AS, CG, MC, OS 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
