1、 MIL-PRF-1/1071D 14 July 2009 _ SUPERSEDING MIL-PRF-1/1071C(CR) 25 June 1999 PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, GAS SWITCHING TYPE 6962 This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the electron tube de
2、scribed herein shall consist of this document and the latest issue of MIL-PRF-1. DESCRIPTION: ATR, L-band, Fo = 1,285 MHz. ABSOLUTE RATINGS: Parameter: Unit: Incident power Mw Du - Alt ft Maximum: Minimum: 2 - 0.001 - 10,000 - PHYSICAL CHARACTERISTICS: Dimensions: See figures 1 and 2. Mounting: See
3、figure 1 and 1/. Weight: 6 pounds (approximate). TEST CONDITIONS: Parameter: Unit: Incident power kw tp s Du - VSWR F MHz Test condition 1: Maximum Minimum 525 475 4.4 3.6 0.001 - 1.05 - 1,298 1,272 Test condition 2: Maximum Minimum 2,100 1,900 4.4 3.6 0.001 - - - 1,298 1,272 See footnotes at end of
4、 table I. GENERAL: Preproduction sample approval: Required. 2/ AMSC N/A FSC 5960 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1071D 2 TABLE I. Testing and inspection. Limits Inspection Method MIL-STD-1311 Notes Test Conditions
5、 Symbol Min Max Unit First article inspection (Preproduction) Loaded Q 4461 2/ 3/ - - QL - 2.5 - High-level VSWR 4474 3/ 1 VSWR - 1.15 - Degradation due to vibration 4021 - - - - - - Conformance inspection, part 1 Tuning susceptance 4482 4/ 3/ - - Method A b -0.03 +0.03 - Firing time 4486 3/ 1 t - 5
6、 sec Arc loss 4488 3/ 1 La - 0.3 dB Temperature cycling 1027 - - 1 cycle - - - - Temperature cycling life test 1027 - - Group D; 10 cycles (min) - - - - Conformance inspection, part 2 Dielectric material strain 4101 - - - - - - Normalized conductance 4484 3/ - g - 0.03 - Variable-frequency vibration
7、 1031 - - F = 50 to 500 Hz; 15 G; t = 30 minutes (min) - - - - Insertion - 5/ - - - - - Conformance inspection, part 3 Life test - 6/ 2 Group D t 1,000 - hours Life-test end points: Tuning susceptance Normalized conductance Arc loss - 4482 4484 4488 - 3/ 3/ 3/ - - - 1 Method A b g La -0.05 - - +0.05
8、 0.05 0.4 - - dB See footnotes at top of next page. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1071D 3 TABLE I. Testing and inspection - Continued. 1/ Suitable rf gaskets will be supplied with each tube. 2/ The number of first article
9、(preproduction) samples required for inspection and the acceptance criteria shall be as specified for qualification testing in the basic document. All tests listed on the tube specification sheet are required for first article (preproduction) inspection; however, those tests grouped under this headi
10、ng are to be performed during preproduction testing only. 3/ This test shall be performed in a half-height L-band waveguide (ID 6.500 inches (165.10 mm) x 1.625 inches (41.28 mm). 4/ Unless otherwise specified, the acceptance level for all tests listed under conformance inspection, part 1, shall be
11、1.0 percent, inspection level II. 5/ The tube shall be capable of being inserted and removed from its seat a minimum of 15 times with no deterioration in the tube electrical characteristics. 6/ This test shall be performed in a full-height L-band waveguide (ID 6.500 inches (165.10 mm) x 3.250 inches
12、 (82.55 mm). Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1071D 4 FIGURE 1. Mounting seat.Dimensions Ltr Inches Millimeters Min Max Min Max Conformance inspection, part 1 Q 2.309 2.317 58.65 58.85 R 1.246 1.254 31.65 31.85 S 2.371 2.379
13、60.22 60.43 X 3.934 3.942 99.92 100.13 Reference dimensions A 8.690 220.73 B 5.437 138.10 C .600 15.24 D .250 6.35 E .020 0.51 F 2.000 50.80 G .220 5.59 H .080 2.03 J 4.135 105.03 K 4.000 101.60 L 2.067 52.50 M 1.768 44.91 N 3.537 89.84 P .22 x .270 DP 5.59 x 6.86 DP T 3.393 86.18 U 6.787 172.39 V 3
14、.692 93.78 W 7.385 187.58 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1071D 5 FIGURE 2. Outline drawing.Dimensions Ltr Inches Millimeters Min Max Min Max Preproduction inspection C - 6.125 - 155.58 D 7.355 7.375 186.82 187.33 F 2.367 2.
15、383 60.12 60.53 K 4.105 4.125 104.27 104.78 Q .240 .260 6.10 6.60 Conformance inspection, part 1 4/ E 3.930 3.946 99.82 100.23 J - 3.475 - 88.27 L - 6.725 - 170.82 Conformance inspection, part 2 G 4.618 4.634 117.30 117.70 H 2.492 2.508 63.30 63.70 M .348 Drill 8.84 Drill N .370 .390 9.40 9.91 P .24
16、0 .260 6.10 6.60 Reference dimensions A 8.69 220.73 B 5.44 138.18 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-1/1071D 6 In addition to MIL-PRF-1, this document references the following: MIL-STD-1311 Marginal notations are not used in this
17、 revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activity: Army - CR DLA - CC DLA - CC Review activity: (Project 5960-2009-016) Army MI NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil/. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
