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    DLA MIL-PRF-1 1588A-1999 ELECTRON TUBE MAGNETRON TYPE 7417.pdf

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    DLA MIL-PRF-1 1588A-1999 ELECTRON TUBE MAGNETRON TYPE 7417.pdf

    1、I INCH-POUND I Parameter: Unit: Maxim um : Minimum: MIL-PRF-111588A Input Bushing tk VSWR Anode T Pressurization _ OC Psia Ef eb ePY V kv kv sec 7 8.2 8 180 1.5:l 1 O0 45 - - 21 13 31 _ _ _ _ 11 - - 16 July 1999 SUPERSEDING Parameter: Unit: Maximum: Minimum: MI L-E-1 I1 588(NAVY) 3 February 1966 VSW

    2、R F PS MHz Du rtv ePY _ kvlps kv _ Ef ib tk tP V A sec 6.3 4 180 0.22 0.0003 80 7.8 1 .I :I 5,600 _ 7 _ 5,500 - 161 - XI - 0.18 _ - PERFORMANCE SPECIFICATION SHEET ELECTRON TUBE, MAGNETRON TYPE 7417 This specification is approved for use by the Department of the Navy and is available for use by all

    3、Departments and Agencies of the Department of Defense. The requirements for acquiring the electron tube described herein shall consist of this document and the latest issue of MIL-PRF-I. DESCRIPTION: Magnetron, 1 O kw (min), 5,500 to 5,600 MHz, fixed frequency, pulsed type, air-cooled, integral magn

    4、et, unipotential cathode. ABSOLUTE MAXIMUM RATINGS: 1 Parameter: i i: i i ipiiDui;zl Unit: a kw _ Maxim um : 50 50 0.001 1 .o _ 0.15 Minimum: _ _ _ PHYSICAL CHARACTE RI STI CS : Weight: 8 pounds, approximate. Mounting position: Vertical. Input connection: See figure I. support: See figure I. Output

    5、connection: See figure I. Magnet isolation: - 51 GENERAL: Qualification - Required. u1 Section 5: Preparation for delivery. AMSC NIA 1 of9 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited FSC 5960 Provided by IHSNot for ResaleNo reproduction or networking permitted wi

    6、thout license from IHS-,-,-MIL-PRF-111588A TABLE I. Testinci and inspection. Inspection Qualification inspection Anode-cathode capacity Temperature coefficient Low temperature operation High temperature operation Temperature rise Conformance inspection, part 1 141 Heater current Standing wave ratio

    7、Fix-tuned frequency Heater-cathode warmup time Pulse characteristics Peak current Pulse voltage Power output Spectrum measurement Load stability Starting stability Method 4266 4027 1026 1026 1075 1301 4309 421 8 4303 4304 4304 4306 4250 4308 431 5 431 5 Conditions bode temperature 10C to 7OoC 21 1 2

    8、1 bode temperature TA = 25OC approx - 21 rest I rest I rest I rest I rest I rest I rest I rest I b=3At08A zl JSWR 1.5:l; b = 3A to 8A 91 01 -oad stability :onditions Acceptance Level Inspection level or code Symbol C AFIAT T T T If _ _ tk _ _ _ Po BW Vlissing pulses Vlissing pulses Li Min 6 _ -40 +7

    9、5 +25 Unit PPF MHzIOC OC OC OC See footnotes at end of table. 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-111588A TABLE I. Testinci and inspection - Continued Inspection Conformance inspection, Shock Low frequency vibration High frequen

    10、cy vibration Non-oscillating characteristics Minimum VSWR Position of minimum VSWR Pulling factor Conformance inspection, Life test conditions Life test end points: Power output Load stability Method _ 1031 1031 4309 _ _ 431 O 4.7 4.7.3 431 5 Conditions :=I5 BI lo voltage lo voltage - 61 - 81 est 1,

    11、 group D I = 5.5 A 111 est 1 SWR = 1.5:l; I = 3A to 8A 91 01 Acceptance Level _ 6.5 6.5 _ 6.5 6.5 6.5 Unit hrs W Yo - 11 The maximum value specified herein is for non-oscillating condition. Heater surge current shall not exceed 4 amperes - 21 The temperature shall be measured at the point indicated

    12、on figure I. - 31 The gas used in pressurization shall provide insulating properties at least equal to that of clean, dry air at the pressures indicated herein. - 41 Unless otherwise specified herein, these conditions shall apply - 51 In handling and mounting the magnetron, care shall be exercised t

    13、o prevent demagnetization. A minimum distance of 4 inches (1 01.60 mm) shall be maintained between the tube and ferromagnetic materials or energized magnets. - 61 The plane containing the voltage standing wave minimum shall be within the limits specified herein when measured from reference plane D i

    14、n the direction of reference plane B. The position of the minimum VSWR and the VSWR shall be determined at the operating frequency obtained during test I. Stability will not be measured under this test. The RF bandwidth shall be within the limits specified when a VSWR of 1.5:l is introduced in the l

    15、oad at a distance of approximately 0.25 meters from the magnetron coupling flange, the phase being adjusted for the widest spectrum. ZI 81 The pulling measurement shall be made in such a manner that thermal effects will not introduce appreciable errors 3 Provided by IHSNot for ResaleNo reproduction

    16、or networking permitted without license from IHS-,-,-TABLE I. Testinci and inspection - Continued 9/ No more than the percentage of pulses specified herein shall result in rf output pulses each having less than 70 percent of the energy contents of a normal pulse. The test shall be conducted for a pe

    17、riod of 5 minutes, and satisfactory operation shall be obtained for each minute of this 5 minute period. - 1 O/ Observations shall be made for load phase positions corresponding to maximum power and to minimum power - 1 I/ The tube shall pass all applicable conformance inspection, part I tests at th

    18、e end of the life test specified herein except as modified under life test end points. - 12/ The requirements of the starting stability test, with the exception of holding period, shall be the only criterion for this test. - 13/ The activity responsible for the qualified products list is DSCC - Code

    19、 VQE, Defense Supply Center Columbus, 3990 E. Broad Street, Columbus, OH 4321 6-5000 and information pertaining to qualification of products may be obtained from that activity. Application for Qualification tests shall be made by contacting DSCC - Code VQE. - 14/ Conformance inspection, part 1, shal

    20、l be a combined acceptance level (percent defective) of 1 percent and the inspection level shall be II. - 15/ The magnetron shall be mounted on a test plate and dropped five times on each of three mutually perpendicular axes parallel to the reference planes shown on figure I. The shock pulse shall h

    21、ave a duration of approximately 11 ms as measured at the quarter amplitude points of the acceleration shock wave. This is not a destructive test. - 16/ The test shall be run with Ef set at 6.3 volts. The epy shall be adjusted to provide an ib of 4 amperes - 17/ Marginal notations are not used in thi

    22、s revision to identify changes with respect to the previous issue, due to the extensiveness of the changes. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-SEE NOTE 14 SEE NOTE 12 SEE NOTE 8 SEE NOTE 5 SEE NOTE 13 SURFACE “X“ SEE NOTES 9 AND 22 FIG

    23、URE I. Outline drawinq of electron tube type 7417 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I AD I FIGURE I. Outline drawinq of electron tube type 7417 - Continued 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without

    24、 license from IHS-,-,-FIGURE I. Outline drawinq of electron tube type 7417 - Continued 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NOTES: I. Reference plane “A is defined as a plane passing along the face of the mounting plate. 2. Reference pla

    25、ne “B is defined as a plane perpendicular to plane “A passing through the center of the holes as shown 3. Reference plane “C“ is defined as a plane mutually perpendicular to planes “A and “B passing through the center of the hole as shown. 4. The jack holes shall be within a radius of .O23 inch (0.5

    26、8 mm) of the true location specified but shall be spaced ,500 inch f .O1 O inch (1 2.70 mm f 0.25 mm) with respect to each other. The centerlines of the holes shall be perpendicular to reference plane “A within 30. 5. Nylon, porcelain, or approved equivalent. 6. Indicate common cathode connected by

    27、letter “C 7. Surface of plate extending beyond a 1 .I 25 inch (28.58 mm) radius from the center of plate, shall be flat within .O1 5 inch (0.38 mm). 8. Filament leads shall be flexible and slack 9. Tolerance includes regular as well as lateral deviations. 1 O. .O31 inch (0.78 mm) asbestos (or equiva

    28、lent, preferred) gasket (optional) 1 I. Hex head banana pin .I 69 inch f .O05 inch (4.29 mm f 1.27 mm) diameter hole. 12. Leads soldered to terminals clips 13. All solder joints on mounting plate and output section shall be such as to provide an hermetic seal at surface X. 14. Heater connection. 15.

    29、 Any portion of the assembly extending above this surface shall be within a 1 .I O9 inch (28.1 7 mm) radius of true center of plate 16. Magnet with protective coating. 17. Radiator fins. 18. #6-32 elastic stop nut ,312 inch (7.92 mm) across flats 19. All areas except top of insulator to bottom edge

    30、of mounting plate, face, edge, and angle of flange shall be painted with black lacquer. 20. These dimensions apply to radiator size only 21. Point at which temperature of tube is measured. 22. Refers to centerline of output flange as determined by 3.306 inch (83.97 mm) to 3.31 8 inch (84.28 mm) diam

    31、eter 23. Dimension applies to radiator 24. Reference plane “D“ is defined as a plane passing through the cutback section of the waveguide FIGURE I. Outline drawinq of electron tube type 7417 - Continued 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Custodians: Navy - EC DLA - CC Review activities: Navy - AS, CG, MC Preparing activity: DLA - CC (Project 5960-3547-05) 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-


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