1、- MIL-C-5638 58 7777706 OL758L2 4 /= - 0 / -x- MIL ITARY SPEC IF ICATION FOR CONVERTER, RADAR DATA M IL-C-85638kAS) 26 June 198 1. SCOPE 1.1 Scope. This specification covers the design, performance, and acceptance requirements for the Radar Data Converter (RDC) CV-1607D/AVA-1 herei n referred to as
2、the RDC. presentation which is displayed on the Analog Display Indicator 2. APPL ICABLE DOCUMENTS The RDC generates a shade of gray terrain clearance IP-722( )/AVA-l. 2.1 Government documents 2.1.1 Specifications, Standards, and Handbooks. Unless otherwise specified, the following specifications, an
3、d standards of the issue listed in that issue of the Department of Defense Index of Specifications and Standards (DoDISS) specified in the solicitation form a part of this specification to the extent specified herein. SPEC IF ICATIONS MIL ITARY M IL-B-5087 Bonding, Electrical, and Lightning Protecti
4、on for Aerospace Systems M IL-W-5088 Wiring, Aircraft, Installation of MIL-E-5400 Electronic Equi pment , Airborne, General Specification for M IL-T-5422 M IL-M-7793 Elapsed Time Meters Testing, Envi ronmental , Ai rborne Electronic and Associated Equi pment Beneficial comments (recommendations, add
5、itions, deletions) and any pertinent data which may be of use in improving this document should be addressed to the Commandi ng Offi Cer , Naval Ai r Engi neeri ng Center, Systems Engi neeri ng and Standardization Department (SESD), Code 93, Lakehurst, NJ 08733 by using the self-addressed Standardiz
6、ation Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by letter. FSC 5841 !DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited.“ THIS DOCUMENT - CONTAINS _. b PAGES Provided by IHSNot for ResaleNo reproduction or networking permitted
7、 without license from IHS-,-,-MIL-C-85638 58 9799906 0275823 T M IL-C-8538( AS.) M IL-E-17555 M IL-D-18300 Electronic and ElectricaT Equipment, Accessories, and Repair Parts; Packaging and Packing of Design Data Requirements for Avionic Equipment M IL-T-18303 Test Procedures; Preproduction, Acceptan
8、ce, and Li fe for Aircraft Electronic Equipment, Format for M IL-N-18307 Nomenclature and Identification for Electronic, Aeronautical and. Aeronautical Support Equi pent IncT udi ng Ground Support Equipment M IL-M-38510- M IL-r-83287 MIL-S-195aa . Mi c rac i rcu i ts , General Spec i fi cat ions. fo
9、r Irrcifcators, Fult Locating, General Semi conuctor Devi ces, Gerrera.1 Speci fi cat ion fir- NAVAL AIR. SYSTEMS CCWAWi AS-461 5 STANDARDS MIL ITARY. M IL-STD-454 M IL-STD-$61 M IL-STD-462 M IL-STD- M IL -S TD-4.7 1 MIL -S TD-704 M IL -S TD-781 MIL -S TB-7 85 M IL-STD-794 M IL-S TDi8.fO- t AppT i-c
10、ati on and DwatTng Requi rements ftsr El ecrcrnie Components., Gerreral Specificat ion fir Standard General Requirements for El ectrarric Equi pmant 0 Electrq-Magnet i c. Interference Characteri st ics Requirements far Equipment El ectro-Magnet i c Interference Characteri st i cs-, . Measurement of
11、Mai nta,irrabi li ty Program for Systems and Equipment Mai ntai nabi 1 tty Demonstmti on Ai rcraft El ectri-c, Power Characteristics Re1 iabiTity Design QuaTai fication and ProductTom Acceptance Tests: Exponenti aT Distri butimi Re1 iabi 1 i ty Prcrgram for Systems. am Requirements for M IL-STD-965
12、Parts Control Program M IL-S TD-2074 M IL-STD-2084 General Requirements For Maintainability of Avionic MS 17322 Meter, Time Totalizing, Miniature Fail Ure Classification for Re1 iabil i ty Testing and Electronic Systems and Equipment Digital 115V, 400 Cycle (Copies of specifications, standards, hand
13、books, drawings, and pub1 ications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 3. REQU IREME NTS 3.1 First article. When specified, a sample shall be subjected to first articl
14、e inspection (See 4.4 and 6.3)- 3.2 Parts, materials, and processes. In the selection of parts and materials, fulfillment of major design objectives shall be the prime consideration. In so doing, the following shall govern: items shall be in accordance with the requirements specified in MIL-M-38510
15、and MIL-S-19500. a. Microelectronic techno1 ogy shall be considered and microelectronic b. Other parts and materials requirements shall be in accordance with MIL-E-5400. c. Nonrepairable subassemblies shall be used in accordance with M IL-E- 5400. d. When previously produced models of this equipment
16、 did not use oonrepairable subassemblies, the design shall not be changed to employ nonrepairable assemblies without the approval of the procuring activity. 3.2.1 Parts derating. All electronic components shall meet the application and derating requirements of AS-4613 for Class A equipment. 3 Provid
17、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85b38 58 W 797970b 0375835 3 W M IL+85638( AS) 3.2.2 Nonstandard parts and material approval. Approval for use of nonstandard parts and materials other than microelectronic devices shall be obtained as
18、specified in MIL-E-5400. Microelectronic devices shall be approved as specified in MIL-STD-965, 3.2.3 Limited life items. The RDC shall not contain limited life items which require scheduled replacement within the minimum specified operating life of the RDC . 3.2.4 Microelectronic modular assemblies
19、. When used, microelectronic modular assemblies shall meet the requirements of MIL-STD-965. 3.2.5 Modules. The electronic portions of the RDC shall be functionally modularized in accordance with MIL-STD-2084. Conformal coatings, encapsulants, embedments or potting materials used with modular assembl
20、ies containing integrated circuits and discrete parts shall be easily removable without damage to the assembly. Modules shall not be hardwired. 3.3 Unless otherwise specified herein, the RDC shal conform with all the applicable requirements of MIL-E-5400 for design, construction and workmanship. Des
21、ign data shall be prepared in accordance with MIL-D-18300 and made available to the procuring activity. (See 6.2.2) 3.3.1 Weight. The weight of the RDC, excluding cables, shall be a minimum consistent with good design and shall be not greater than 25 pounds (11.38 Kg). The total weight shall include
22、 provisions for mounting. Design and construction. 3.3.2 Confi uration. The dimensions of the RDC and external hardware locations shall be * n accor ance with Figure 1. 3.3.2.1 Mounting. Mounting provisions for the RDC shall be four 10-32 UNF-3A captive screws. 3.3.2.2 Time totalizing meter. The RDC
23、 shall contain a time totalizing meter in accordance with MIL - M /i93 and MS 17322. 3.3.2.3 Connectors. The interface connectors shown in Figure 1 shall be as s peci fi ed bel ow : a. J1-eutsch DS00-3719-PW-059 b. J2-Deutsch DS00-3719-PX c, J3-Amphenol 67-00P20-37P d. J4-Deutsch RBA-70-37-OSN e. J5
24、-Deutsch DS00-61-5s a 54 and 55 shall contain provisions for captive connector caps. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85638 58 7Ob OL758Lb 5 W M IL-C-85638( AS) NOTE: Dimensions without tolerance are for reference only. Toleran
25、ces shall be as specified on applicable drawings. ELAPSED TIME METER MS17322- 10 CONNECTOR RECPT CONNECTOR f RECPT FIGURE 1. Radar data converter. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-10- 32 UNF- 3A CAPTIVE 4 PL SCREWS tul= l. 13.250 I 8 F
26、IGURE 1. Radar data converter - Continued fi Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85638 58 9 9999906 OL75BLB 9 M IL-C-85638(AS) 3.3.2.4 Fuses. means of fuses. 28V power shall be provided. The RDC shall provide circuit protection to t
27、he input power by A spare fuse for the 115 volt power and a spare fuse for the 3.3.2.5 BIT indicator. The RDC shall contain a BIT indicator in accordance with M IL- I-83287/01-22. 3.3.3 Reliability. The contractor shall conduct a reliability program in accordance with MIL-STD-785. the RDC, the progr
28、am previously approved may be continued unless otherwise indicated in the contract or order. On a reorder from a contractor who is producing 3.3.3.1 Operational stability. The RDC shall operate continuously or inter- mittently with satisfactory performance, without the necessity for readjustment of
29、any controls which are inaccessible to the operator during normal use. 3.3.3.2 Operating life. The RDC shall have a total operating life of 10,000 hours with minimal servicing and replacement of parts. 3.3.3.3 Mean Time Between Failure (MTBF). The RDC, including all Built-In-Test (BIT) provisions, s
30、hall have an MTBF of 1200 operating hours. 3.3.3.4 Storage service life. 18 month storage period under any combinations of climatic environments specified herein, the RDC shall be capable of meeting all requirements of this specification without component or part replacement, readjustment, or other
31、maintenance actions. At any time within, or immediately following an 3.3.4 Cabling and connections. 3.3.4.1 Cables and connectors. The RDC shall provide for the use of wiring and connectors in accordance with MIL-E-5400. 3.3.4.2 Interconnection cab1 ing. The RDC shall be capable of specified operati
32、on usi ng external wiring in accordance with the appl icabl e requirements of MIL-W-5088. The external wiring shall be unshielded, except that a minimum number of the individual wires may be shielded when demonstrated as necessary to meet interference control requirements. External cables and that p
33、ortion of the connectors attached to the cables shall not be supplied as part of the RDC. 3.3.5 Interchangeability. The RDC shall meet the interchangeability require- ments of MIL-E-5400. 3.3.6 requirements shall be in accordance with MIL-STD-470 and MIL-STD-2084 and with the additional requirements
34、 specified herein. Maintainability. The maintainability program and maintainability 3.3.6.1 Maintenance requirements. The maintenance plan for the RDC shall include the requirements specified in 3.3.6.1.1 through 3.3.6.1.3. 3.3.6.1.1 Preventive maintenance. The RDC shall not have preventive main- te
35、nance requirements. 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85b38 58 377770b OL75L7 O MIL-C-85638( AS) 3.3.6.1.2 Organizational level. The BIT function shall be used for fault isolation to the Weapon Replaceable Assembly (WRA). This l
36、evel of maintenance will remove the defective WRA and replace it with a Ready For Issue (RFI) WRA. The WRA will be tested after replacement. shall be required. No Ground Support Equipment (GSE) a. BIT shall be incorporated into the RDC in accordance with 3.3.6.2.2. b. Removal and replacement of the
37、RDC shall be not greater than 12 minutes mean-time (exclusive of access time). c. The total organizational level corrective maintenance time, Turn Around Time (TAT), shall be the sum of time required for fault isolation, removal and replacement, and repair verification. than 20 minutes mean-time. Th
38、e TAT shall- be not greater 3.3.6.1.3 Intermediate level . Intermediate level maintenance generally shall consist of the repair of WRAs and Shop Replaceable Assemblies (SRA) in off- aircraft shops. than 0.90. The Quick Replaceable Assembly (QRA) ratio shall be not less a. WRA repair - The RDC shall
39、be compatible with Mini-Shop Automatic Checkout EQuipment (Mini-SACE) via the RDC adapter drawer for fault detection, isolation to the SRA, removal and replacement of the SRA, and WRAoperational verification. b. detection and isolation to the faulty piece part group. Repair is achieved by the remova
40、l and replacement of the identified piece part(s). verification is accomplished by test point examination and by operation of the SRA in the RDC. SRA repair - SRAS shall have test points available which allow fault SRA operational c. Total intermediate level corrective maintenance - The summation of
41、 removal and replacement of defective SRA and the removal and replacement of a defective part(s) including fault isolation, access, and secure time,., shall not exceed 92 minutes mean-time. Mini-SACE compatibility - RDC compatibility with Mini-SACE (AN/ASM-461) shall be demonstrated. The RDC shall b
42、e compatible with Mini-SAC to the extent that the Mini-SACE interface presented to the RDC is mechanically identical and to the extent that the Mini-SACE functional interface parameters have a common operat i ng band. d. 3.3.6.1.4 Depot level. Depot level maintenance shall not be required. 3.3.6.2 G
43、eneral maintai nabi 1 ity requirements. 3.3.6.2.1 Task criteria. Each: of the maintenance time.s specified in 3.3.6.1.2 shall be accomplished with a maximum of two maintenance personnel of no higher than intermediate skill (E-5) for at least 95 percent of the maintenance tasks. 8 Provided by IHSNot
44、for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-85638 58 = 9799906 0375820 7 9 M IL-C-85638( AS) 3.3.6.2.2 Built in test. Suitable BIT features shall be incorporated into the RDC to provide the operator with indications of RDC readiness and to locate the fault to
45、 the malfunctioning WRA. automatic techniques as well as manually activated test pattern(s) displayed on the Analog Displ ay Indicator (ADI) and shall be capable of unambiguously isolating to the defective WRA for at least 95 percent of all possible RDC faults when the faults are ranked in order of
46、their occurrence with a 90 percent confidence 1 evel . These features shall be implemented using 3.3.6.2.2.1 Test display. During the test mode, the RDC shall provide a static test display. The test display shall exercise the complete capabilities of the RDC and unambiguously isolate to tbe WRA. The
47、 test display shall be easily interpreted by the operator and shall not require complex mental cal- culations. procuri ng act i vi ty . The test display shall be coordinated with and approved by the 3.3.6.2.2.2 BIT indicator. A latching BIT indicator shall be provided which retains the WRA BIT statu
48、s in conditions of power off. 3.3.6.2.3 Test points. Test points shall satisfy the following requirements: a. Functional test point arrangement - Test points shall be exposed and grouped within multipin connectors which are readily accessible at the level of maintenance for which they are intended.
49、The test points shall be grouped by the functional maintenance level requirements as follows: (1) WRA test poi nts for i ntermedi ate 1 evel mai ntenance. (2) SRA test points for intermediate level maintenance. b. The test points shall be located as follows: (1) WRA test points shall be located on exterior surfaces of the NRA. (2) SRA test points shall be located in such positions so that they may be readily accessible f
