NAVY MIL-B-28850-1979 BLANKERS INTERFERENCE MX-8757 UPX MX-8758 UPX AND MX-8758A UPX《MX-8757 UPX MX-8758 UPX和 MX-8758A UPX干涉消隐装置》.pdf

《NAVY MIL-B-28850-1979 BLANKERS INTERFERENCE MX-8757 UPX MX-8758 UPX AND MX-8758A UPX《MX-8757 UPX MX-8758 UPX和 MX-8758A UPX干涉消隐装置》.pdf》由会员分享，可在线阅读，更多相关《NAVY MIL-B-28850-1979 BLANKERS INTERFERENCE MX-8757 UPX MX-8758 UPX AND MX-8758A UPX《MX-8757 UPX MX-8758 UPX和 MX-8758A UPX干涉消隐装置》.pdf（23页珍藏版）》请在麦多课文档分享上搜索。

1、, ! -. MIL-B-2850 58 7997906 OL5550 4 H -. . . . i. . - . . -. a-_=- . .:. . MILITARY SPECIFICATION BLANKERS, INTERFERENCEy MX-8757/UPX AND MX-8758/UPX This specification is approved for use by the Naval Electronic Systems Comnand, Department of the Navy, and is available for use by all Departments

2、and Agencies of the Department of Defense. 1. SCOPE 1.1 SCO e. This specification covers the MX-8757/UPX and MX-8758/UPX interference blankers (defruiterhr the Identification Friend or Foe/Air Traffic Control Radar Beacon System (IFF/ATCRBS). eliminate (defruit) from received IFF video those pulses

3、(fruit) which are not synchronous with the associated interrogation cycle, while passing to the decoding equipment only those replies which are determined to be synchronous. It specifies the design and performance requirements for equipment which will . 2. APPLICABLE DOCUMENTS 2.1 Issues of document

4、s. The following documents of the issue in effect on date of in- vitation for bids or request for proposal form a part of this specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-S-901 MIL-E-16400F MIL-E-17555 MIL-F-19207 STANDARDS MIL ITAR Y MIL-STD-105 MIL -STD- 108 MIL-STD-1

5、09 Shock Tests, H.I. (High-Impact), Shipboard Machinery, Equipment And S,vstems, Requirements For (Navy) Electronic Equipment, Naval Ship And Shore: General Specification E 1 ectron i c And Electrical Equipment , Accessor i es , And Repair Parts, Packaging And Packing Of Fuseholder, Extractor Post T

6、ype, Blown Fuse Indicating And Nonindicating, General Speci- fication For Sampling Procedures And Tables For Inspection By Attributes Definition Of And Basic Requirements For Enclosure For Electric And Electronic Equipment Quality Assurance Terms And Definitions _ _ Beneficial comnents (recmendation

7、s, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Comnander, Naval Electronic Systems Comnand f ELEX-5043), Washington, D.C. 20360, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing

8、at the end of this document, or by letter. THIS DOCUMENT CONTAINS 23 PAGES. FSC 5840 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-B-28850 58 997970b 0355509 b mT MIL-6-28850( EC) MIL-STD-275 MIL-STD-454 W I L- STD - 46 1 MIL-STO-462 MIL-STD-46

9、3 MI L-STD-471 MIL-STD-781 MIL-STD-810 MIL-STD-965 MIL-STD-1130 r. I Printed Wiring For Electronic Equipment Standard General Requircmentd For Electronic Equipment Electromagnetic Interference Characteristics Requirements For Equipment - Electromagnetic Interference Characteristics, Measurement Of D

10、efinition And System Of Units, Electromagnetic Interference Technology Mai ntai nabi 1 i ty Demons trat ion Reliability Design Qualification And Production Acceptance Test: Exponenti al Distribution Environmental Test Methods Parts Control Program Connection, Electrical, Solderless Wrapped (Copies o

11、f specifications and standards required b-v contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the con- tracting officer.) the extent specified herein, vitation for bids or request for proposal shall apply. 2.2 Other publica

12、tions. The following documents form a part of this specification to Unless otherwise indicated, the issue in effect on date of in- DoD AIMS 65-1000 Technical Standard For The ATCRBS/IFF/MARK XII System (AIKS) (Application for copies should be addressed to: 3. REQUIREMENTS 3.1 General. Electronic Sys

13、fems Division, Warner-Robins ALC (MMIME), Robins Air Force Base, GA 31098 (DoD AIMS Program Office).) The requirements specified herein shall apply equally to the MX-8757/UPX and the MX-8758JUPXaefruiting equipment as out1 ined herein,unless otherwise specified herein. equipment shall be in accordan

14、ce with I4IL-E-lG400F, except as hereinafter specified. 3.1.1 First article. When specified (see 6.2.1), the contractor shall furnish sample unit(s) for first article inspection and approviil (see 4.3 ancl G.3). 3.1.2 Definitions. Definitions of terms used in this specification are given in G.Q. The

15、 3.2 Equipment types and descriptions The defruiting wiiipment shall be of two basic types as specified in 3.2.1 through 3.2.2.1. 3.2.1 MX-8757/UPX. The MX-8757/UPX defruiter shall be a pulse-to-pulse defruiter employing 3.2.1.1 Operational modularity. The design of the MX-8757/UPX defruiter shall b

16、e such that single defruiting only. it shall be possible to add, delete, modify, extend, increase, or decrease the parameters of the defruiter detailed in 3.2.1.1.1 by the simple addition or deletion of printed circuit (PC) boards or modular plug-in subassemblies which may be accomplished at the fie

17、ld operating level. Defruiting shall De on a single channel per mode basis. 3.2.1.1.1 Modular parameters. Modular parameters shall be as follows: a. Modes b. Range Either 1, 2, 3, or 4 mode configurations (any or all of modes 1, 2, 3/A, Cy 4) with up to 2, 3, 4, or 5 modes (including mode 4) interla

18、ced, respectively. Range shall be adjustable to 648 kilometers (km) (350 nautical miles (nm), - +5 percent. needed to increase range in gross increments and use of internal switch or solderless link to adjust within each increment. The range requirement may be met by adding circuitry as 2 , .I Provi

19、ded by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- .I -. . -. MIL-B-28850 5 7733306 CIL55510 2 . ._ . _.i : . _ . . -. . . _. c MIL-B-28850( EC) 3.2.2 MX-8758/UPX. The MX-8758/UPX defruiter design shall employ pulse-to-pulse single de- fruiting and shall pe

20、rform up to four modes of defruiting (with up to five modes interlaced) using a single channel of memory. Bracket-defruiting shall be employed on the first interrogation cycle each time the mode of interrogation is changed. The design of the MX-8758/UPX defruiter shall be such that it shall be possi

21、ble to increase or decrease the range of the defruiter in accordance with the requirements of 3.2.1.1.1.b by the simple addition or deletion of printed circuit boards or plug- in subassemblies which may be accomplished at the field operating level. 3.2.3 Reliability and maintainability. The reliabil

22、ity and maintainability requirements specified herein shall apply equally to the MX-8757/UPX and the HX-8758/UPX defruiters, unless otherwise specified herein. MX-8757/UPX and the MX-8758/UPX equipments shall be units capable of four-mode, 648 km (350 nm) defruiting. 3.2.2.1 Operational modularity.

23、For the purposes of reliability and maintainability, both the 3.2.3.1 Reliability requirements. 3.2.3.1.1 Quantitative reliability. The defruiter shall have an upper test limit mean-time- between-failure (MTBF) (0, as defined by MIL-STD-781) of 2000 hours, and a lower test MTBF (0, as defined in MIL

24、-STD-781) of 1000 hours. performance, control, or monitoring functions specified herein. tion shall be capable of passing a temperature equipment conditioning test in accordance with 4.5.2. Failure shall be the inability to conform to any of the 3.2.3.1.2 Equipment conditioninq. All equipments produ

25、ced in accordance with this specifica- 3.2.3.2 Maintainability requirements. 3.2.3.2.1 Quantitative maintainability requirements. Nhen repair is accomplished by re- placement of subassemblies (modules or PC boards), the equipment shall have an equipment repair time (ERT) of no greater than 15 minute

26、s. interchange, reassembly, alignment, and Check-out for al 1 subassembl ies and parts. ERT includes localization, isolation, disassembly, 3.2.4 Paintin . The paints and painting process shall be in accordance with the require- ments of MIL-E- + 6400F. 3.2.5 Radio frequency interference. The compone

27、nts of he defruiter shall conform to the requirements of MIL-STD-461, MIL-STD-462, and MIL-STD-463, Class IC (where applicable) and the interference limits specified therein. interconnected with, high power radar equipment from which high frequency energy will be radiated and conducted to the defrui

28、ter. Provisions shall be made by incorporation of shielding or filter- ins, or both, in the equipment for proper operation under such conditions as those specified in In service, the defruiter will be operated near, or MIL-STD-461. 3.2.6 Environmental conditions. The equipment shall be capable of co

29、nt under the conditions specified in MIL-E-16400FY modified as fol lows: Temperature, Class 2 of MIL-E-16400F. Ambient relative humidity, 0-95 percent. Elevation, sea level to t3658 meters (m) (t12,OOO feet (ft). Sand and dust particles 10 to 50 microns in size. a. b. c. d. Salt-laden air encountere

30、d in shipboard or coastal service. e. nuous operation 3.2.7 Storage, transportation and warm-up conditions. The equipment shall be capable of satisfactory operation after being stored for a period not exceeding one year at storage room ambient temperature ranges from -62 Celsius (C) to t75OC. operat

31、ing condition without the use of heaters at ambient temperatures as specified in 3.2.6. 3.2.7.1 Warm-up time. The equipment shall be fully operable within 10 seconds from the non- 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-r MIL-B-28850 58 777

32、770b OL555LL 4 MIL-B-28850( EC) 3.2.7.2 Air transportation. The equipment shall be capable of air transportation at alti- tudes up to 15-) without damage, in non-pressurized, non-temperature controlled cargo aircraft for a flight time of 20 hours. be an integral part of the defruiter. shall not be r

33、equired as power input freguency is changed. 3.2.8 Ventilation. Ventilation may be provided by forced air. If required, blowers shaT1 Blower motors shall not use brushes. Changes to blowers 3.2.9 Composition. 3.2.10 Construction. 3.2.10.1 Modules. The requirements of MIL-E-164OF for modular construc

34、tion are applicable. Materials and parts in accordance with MIL-E-16400F shall be used in the construction of this equipment; use of parts and materials not in full compliance is unacceptable, unless specifically approved by the procuring activity. In keeping with design objectives of miniaturizatio

35、n and weight reduction, solid-state devices (of types capable of reliable performance at temperatures cited herein) shall be employed to the maxi- mum extent practical. 3.2.10.1.1 Parts control. The parts to be incorporated in the equipment shall be controlled in accordance with MIL-STD-965, Procedu

36、re I. The MX-8757/UPX and MX-8758/UPX shall each consist of a single package. Procedure I of MIL-STD-965 applies for non-standard parts. 3.2.10.2 Assemblies and subassemblies. As required by MIL-E-l640OF, the equipment shall employ unitized construction and modular design to provide easily replaceab

37、le assemblies and pluq- in subassemblies. readily accessible test points at input and output areas. printed circuitry type which can be removed without need of unsoldering and which can be easilv repaired. insertion into the wrong connector, or reversing. Each assembly or subassembly shall provide a

38、 complete circuit function(s) with Plug-in subassemblies shall be of the Each PC board card or plug-in subassembly shall be individually keyed to prevent 3.2.10.3 Fabricated electronic modules (FEM) and standard electronic modules (SEM) The use of FEM or SEM is not required in the construction of th

39、is equipment. 3.2.10.4 Main chassis access. The main chassis shall be mounted to its external cabinet hv channel slides. fully extended from its cabinet for servicing. shall be possible without extensi ve disassembly. Suitable locking devices and cabling shall be provided so that the chassis mav he

40、Complete removal of the chassis from its cabinet 3,2.11 Weiqhts and dimensions. The maximum weight of shall be 14.5 kilograms (kg) (32 pounds (lbs) and 11.8 kg of the MX-8757/UPX shall be as follows: the MX-8757/UPX and the MX-8758/UPX 26 lbs), respectively. The dimensions a. b. Height: 12.7 cm 0.06

41、4 cm (5.00 in 0.025 in) c. Width (not including rack mounting brackets) (17.00 inches (in) 0.025 in) Depth (including front panel handles and rear panel connectors): 47.96 cm - t0.318 cm (18.88 in 0.125 in). The dimensions of the MX-8758/UPX shall be as follows: 43.2 centimeters Icml 0.064 cm d. Wid

42、th: 43.2 cm 0.064 cm (17.00 in 0.025 in) e. Height: 12.7 cm20.064 cm (5.00 in 0.025 in) f. Depth (including front panel handles and rear panel connectors): - 4-0.318 cm (16.88 in 0.125 in). 42.88 cm 3.2.12 Electrical design. The electrical characteristics as required herein shall be achieved and mai

43、ntained under any combination of service environmental and operating conditions. The equipment shall be designed and fabricated for a minimum loss of operational caoability as functions are lost or become inoperative due to electrical, electronic, or ph.vsica1 failures. , 4 Provided by IHSNot for Re

44、saleNo reproduction or networking permitted without license from IHS-,-,-._ . , - . . . . . ._ _. . . . ., . _. -. .: _._ L. : . s- :. . . -. MIL-B-28850 58 777770b 0155512 b W MIL-B-28850( EC) 3.2.12.1 Primary power. The equipment shall be capable of operation from a supply voltage of 115 volts 210

45、 percent and supply frequencies of 50 hertz (Hz) 210 percent, 60 Hz 210 percent, and 400 Hz 210 percent, single-phase. stalled in the space allocated for the defruiter. Transient frequency, and Pulsed loads paragraphs of MIL-E-16400F apply. If a line voltage regulator is required, it shall be in- Th

46、e requirements of the Transient voltage, C - 3.2.12.2 Overload protection. Overload protection shall be provided by fusing all primary . The type of fuseholder shall Primary AC power fuses with indicators lines of the alternating current (AC) power input as specified in MIL-E-l6400F, and current lim

47、iting devices shall be provided on the power supply output. are required and neon indicator lamps shall be used where practical. be the extractor post type in accordance with MIL-F-19207. and associated spare fuses shall be mounted on the front panel of the equipment. Blown fuse or limiter indicator

48、s 3.2.12.3 External connectors. The connectors shall be in accordance with MIL-E-16400F except mating connectors shall be furnished only for the primary power and function remoting connectors. All input and output connectors other than test connectors shall be located on the equipments rear panel an

49、d (with the exception of primary power and function remoting connectors) shall be of the type C series on the MX-8758/UPX and type BNC on the MX-8757/UPX, or as specified in the contract (see 6.2.1). connector function shall be provided adjacent to each connector. external test equipment as may be required for operational Check-out tests. be the BNC type and shall be mounted on the front panel. captive caps attached to the equipment for use when the connector is not in use. - All connecto