1、Licensed by Information Handling ServicesMIL-D-81694 (AS) - - (This page UNCLASSIFIED) operate with the associated equipment listed in 6.7. 2. (U) APPLICABLE DOCUMENTS 1.3 (U) Associated equipment.- This equipment shall 2.1 (U) General - The following documents of the issue in effect on the date of
2、invitation for bids form a part of this specification to the extent specified herein. SPECIFICATIONS Military MIL-W-5088 Wiring: Aircraft, Installation of MIL-E-5400 Electronic Equipment, Aircraft, General MIL-T-5422 Testing, Environmental, Aircraft Electronic MIL-C- 67 81 Control Panel; Aircraft Eq
3、uipment, Rack or MIL-E-17555 Electronic and Electrical Equipment and Specification for Equipment Conso1.e Mounted Associated Repair Parts, Preparation for Delivery of MIL-T-18303 Test Procedures; Preproduction, Acceptance, and Life for Aircraft Electronic Equipment, Format for MIL-N-18307 Nomenclatu
4、re and Nameplates for Aeronaut- MIL-C-81774 Control Panel, Aircraft, General Require- ical Electronic and Associated Equipment Ments for 2 -w.rilYi-i- - -_ (This page UNCLASSIFIED) Licensed by Information Handling ServicesMIL-D-81674 58 7997906 0172015 O W 9 1 e (This page UNCLASSIFIED) Naval Air Sy
5、stems Command MIL-D-81694 (A6) AR- 5 AR-10 AR- 3 4 Microelectronic Devices Used in Avionic Equipment, Procedures for Selection and Approval of Maintainability of Avionics Requirement and Systems, General Requirements for Failure Classification for Reliability Testing, General Requirement for STANDAR
6、DS Military MIL- S T D- 4 6 1 Electromagnetic Interference Characteristics Requirements for Equipment MIL-STD-704 Electric Power, Aircraft Characteristics MIL-STD-7 81 Reliability Tests, Exponential Distribution MIL-STD-794 Parts and Equipment, Procedures for and Utilization of Packaging and Packing
7、 of Stimulation, Level B only) MIL-STD-810 Environmental Test Methods (Acoustic 2.1.1 (U) Availability of documents.- When requesting specification, standards, drawings, and publications, refer to both title and number. Copies of this specification and applicable specifications required by contracto
8、rs in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Publication and Forms Center, Code 105, 5801 Tabor Avenue, Philadelphia, Pennsylvania 19120. 3 (This page UNCLASSIFIED) Licensed by Information Handling ServicesMIL-D-Lb74 58 9999706 OL72
9、OLb 2 L MIL-D-81694 (AS) (This page UNCLASSIFIED) 3. (U) REQUIREMENTS 3.1 (U) Preproduction.- This specification makes provision for preproduction testing. 3.2 (U) Parts and materials.- In the selection of parts and materials, fulfillment of major design objectives shall be the prime consideration.
10、In so doing the following shall govern : (1) Microelectronic items shall conform to require- ments specified herein. (2) Other parts and materials requirements shall conform to specification MIL-E-5400. (3) Nonrepairable subassemblies shall be used in accordance with requirement AR-10 as outlined in
11、 specification MIL-E-5400. (4) When previously produced models o this equip- ment did not use nonrepairable subassemblies, the design shall not be changed to employ nonrepairable assemblies without the approval of the procuring activity. 3.2.1 (U) Nonstandard parts and materials approval.- Approval
12、for the use of nonstandard parts and materials other than microelectric devices shall be obtained as outlined in specification MIL-E-5400. Microelectronic devices (MIC) shall be approved as outlined in AR-5. 3.2.2 (U) Microelectronic modular assemblies (MICRA) . - When used, Microelectronic modular
13、assemblies shall meet the requirements of AR-5. 3.2.3 (U) Modules, maintenance.- The electronic portions the eauipment shall be divided into maintenance modules (see AR- LO) . -Maintenance modules shall normally be considered repairable. Licensed by Information Handling ServicesMIL-D-Lb9 58 9777706
14、0372037 LI - i 1 (This page UNCLASSIFIED) e 3.3 (U) Design and constructin.- The equipment shall con- form to all the applicable requirements of specification MIL-E- 5400 for design, construction, and workmanchip, except as otherwise specified herein. 3.3.1 (U) Weights.- The weight of the Programmer
15、 Unit shall not exceed 2.5 pounds. not exceed 3.5 pounds. The weight of each Sequence Switch shall 3.3.2 (U) Reliability.- The contractor shall conduct a reliability program using MIL-STD-785 as a guide from a supplier who has previously produced the equipment, the program previously used may be con
16、tinued unless otherwise indicated in the contract or order. On a reorder 3.3.2.1 (U) Operational stability.- The equipment shall operate with satisfactory performance, continuously, or inter- mittently for a period of at least 500 hours with exception of the clock. The clock will have at least a 50
17、hour operational stability at which only an adjustment may be required. 3.3.2.2 (U) Operating life.- The equipment shall have total operating life of 5000 hours with reasonable servicing and replacement of parts. shall be specified by the contractor. Parts requiring scheduled replacement 3.3.2.3 (U)
18、 Reliability in Mean Time Between Failures (MTBF).- The equipment shall have 500 hours of mean (operating) time between failures when tested and accepted as outlined under the requirements of 4.4.3. 3.3.3 (U) Cabling and connections.- 5 (This page UNCLASSIFIED) Licensed by Information Handling Servi
19、cesMIL-D-81694 (AS) (This page UNCLASSIFIED) 3.3.3.1 (U) Cables and connectors.- The equipment shall Provide for the use of cables and connectors in accordance with - specification MIL-E-5400. 3.3.3.2 (U) Interconnection cabling.- The equipment shall be capable of satisfactory operation usins extern
20、al wirinq in accordance with the applicable requirements of specification 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 and provided the assembly of th
21、e cable to its plugs may be easily accomplished. External cables and that portion of the connectors attached to the cables shall not be supplied as part of the equipment. 3.3.4 (U) Control panels.- All rack or console mounted control panels shall conform to the applicable requirements of specificati
22、on MIL-C-6781. The configuration of all panels must be approved by the procuring activity prior to preproduction testing . 3.3.5 (U) Interchangeability.- 3.3.5.1 (U) AN/ALE-39.- All parts and components for any one dispenser system shall be physically and functionally interchange- ablewithall corres
23、ponding parts and components produced under contract in accordance with specification MIL-E-5400. The two sequencer switches in the dispenser system shall be physically and functionally interchangeable with each other. 3.3.6 (U) Interference control.- The equipment shall be defined as being within t
24、he category of “Computers“, and shall operate within the limits specified by the tests listed in Table IV, (Airborne Data Processing and Recording) of MIL-STD- 461AI Specific requirements of the equipment either . augmenting or deleting those listed herein shall be enumerated in the purchase descrip
25、tion by the procuring activity. r 6 (This page UNCLASSIFIED) I. - a Licensed by Information Handling ServicesMIL-D-Lb7LI 58 9979706 0372019 = , 9 (This page UNCLASSIFIED) MIL-D- 816 9 4 (AS) 3.3.7 (U) Provisions for maihtainabi1ity.- The main- tainability program, construction and packaging, provisi
26、ons for test points, and other maintainability parameters shall be as specified in specification AR-10. 3.3.8 (U) Nomenclature and nameplates.- Nomenclature assign- ment and nameplate approval for equipment identification shall be in accordance- with specification MIL-N-18307. 3.3.9 (U) Standard con
27、ditions. - The following conditions shall be used to establish normal performance char.acteristics under standard conditions and for making laboratory berich tests. - Temperature: Altitude : Room ambient (25OC + 5OC) Normal ground - Vibration: None Humidity : Input power voltage: od ambient up to 90
28、 per- cent relative humidity 27.5 + - 0.5 V DC 3.3.10 (U) Service conditions.- The equipment shall operate satisfactorily under any of the environmental service conditions or reasonable combination of these conditions as specified in specifi- cation MIL-E-5400 for Class 4 equipment, except as modifi
29、ed herein. 3.3.10.1 (U) Vibration.- The equipment shall operate satis- factorily when subjected to the vibration requirements of Curve I of specification MIL-E-5400. (U) Temperature. - 3.3.10.2 3.3.10.2.1 (U) The programmer shall operate continuously at a maximum of +45OC. For the purpose of MIL-E-5
30、400, short-time or intermittent temperature extremes do not apply. 3.3.10.2.2 (U) The sequencer switch shall opjiate short-time at +15OoC; the intermittent temperature extreme does not apply. 3.3.10.3 (U) Altitude. - 3.3.10.3.1 (U) The programmer and sequencer switch shall op- erate to a maximum alt
31、itude of 70,000 feet. 3.3.10.4 (U) Temperature - Altitude - 3.3.10.4.1 (U) The programmer and sequencer switch shall operate satisfactorily under the conditions imposed for Class 3 equipment, shall be 70,000 feet maximum. Curve A, Figure 3 (sheet 3 of 41, =. _C_r-. - -_- r- - - .I 7 - (This page UNC
32、LASSIFIED) - -e- % , -, Licensed by Information Handling ServicesMIL-D-83694 58 m 9999906 0372020 4 m b MIL-D-81694 (AS) (This page UNCLASSIFIED) 3.3.10.5 (U) Acoustic stimulation.- 3.3.10.5.1 (U) The sequencer switch shall be insensitive to acoustic stimulation at a level of category B described in
33、 MIL-STD-810. 3.3.11 (U) Warm-up time.- The time required for the equipment to warm-up prior to operation shall be kept to a min- imum and shall not exceed 0.5 seconds under standard conditions and 1.0 second.at extreme service conditions. 3.3.12 (U) Input electrical power.- 3.3.12.1 (U) Qperatincr
34、power.- The AN/ALE-39 dispenser system shall meet all applicable requirements of MIL-STD-704 and shall give specified performance when energized from power sources having characteristics and limits as defined in MIL-STD-704. The power source required shall not exceed the specified amount of 27.5 1.5
35、 V DC, Category B, 20 amps. I 3.3.12.1.1 (U) Equipment protection.- The AN/ALE-39 cockpit control unit, programmer, and sequencer switches shall be self- protected against damage by excessive voltage surges as deter- mined by MIL-STD-704, Category B. 3.3.12.2 (U) Lighting power.- Input power for lig
36、hting of the programmer shall require not more than LO watts at 5.0 volts, AC, 400 Hz, or 14/28 volts, AC 400 Hz. No lighting power is re- quired for the dispenser or sequencer switch. 3.3.12.3 (U) Degraded performance.- Degraded performance will be permitted for voltage transients not exceeding 0.5
37、 second during normal electric system operation. Operation shall return to normal with no resulting damage to the equipment. 3.3.12.4 (U) Standby power.- The equipment shall provide for a standby position whereby rated voltage shall be applied to all circuits. The standby power shall not exceed 900
38、mw. by the dispenser system. connecting the components of the dispenser system is located in the aircraft and is depicted in Figure 1. 3.3.13 (U) Cooling.- No external cooling air is required 3.3.13.1 (U) Wiring harness.- The wiring harness for inter- UCLASSIFIED CaSsiicntion onnce1Ir-I on r+ngod ta
39、 -* by auuthority c 4 (This page UNCLASSIFIED) .- Licensed by Information Handling ServicesMIL-D-81694 (AS) 3.4 (U) Performance.- Unless otherwise specified, values set forth to establish the requirements for satisfactory perf ormance apply to performance undNXii.:ij Al 1: INTERVALS; ;II :L:irc;-.:
40、3 1 I,:Y . :. Licensed by Information Handling ServicesMIL-D-8169q 58 9779706 0372023 T PROGRAMMER PARAMETERS IN AUTOMATIC MODE FOR AN/ALE-39 DISPENSER Type of Payloads: CRRFF FLARES JAMMER Burst a 1 2 3 4 Burst Intervals (seconds) O. 125 2c 1 to 299 d 0.25 4 0.5 6 0.75 8 .Q 10 R Salvos b 1 None Non
41、e 2 4 6 8 10 15 Salvo Intervals (seconds) 2 None B El 8 None 10 C = Continuous R = Random a Burst - Individual ejection of one payload b Salvo - Single sequence of burst c A rapid fire sequence capable of being engaged from cockpit control unit ahall be provided to eject all flares sequentially with
42、 a burst interval of 0.125 d Burst intervals shall be variable in 1 second increments between 1 and 299 seconds with an accuracy of *5 percent. Licensed by Information Handling ServicesTABLE I (Continued) NOTES : 1. (C) Typical chaff combinations of Burst Quantity and Burst Interval include the foll
43、owing: A. Burst Quantity (C) and Burst Interval (R) .- First 3 Davloads at 0.125 second intervals with the total reiaining payloads dispensed at the pseudo-random time intervals of 0.25, 0.50, 0.75, 1.0, 1.5, 2.0, 3.0, or 4.0 seconds. Under these conditions the Salvo Quantity and Salvo Interval cont
44、rol functions are negated. B. Burst Quantity (R) and Burst Interval (R),- First 3 payloads at 0.125 second intervals followed by 1, 2, or 3 bursts at the pseudo-random time intervals of 0.25, 0.50, 0.75, i,O, 1.5, 2.0, 3.0, or 4.0 seconds. The number of bursts and time intervals shall have equal pro
45、bability of occurrence. additional salvos will occur at the salvo interval and will have 4 to 6 bursts but will not repeat the 3 - 0,125 second bursts. C. Burst Quantity (R) and Burst Interval (Fixed No.) .- First 3 payloads at 0.125 second intervals followed by 1, 2, or 3 bursts at the fixed time i
46、nterval. The number of bursts shall have equal probability of occurrence. Any additional salvos will occur at the salvo interval and will have 4 to 6 bursts, but will not repeat the 3 - 0.125 second bursts. D. Burst Quantity (Fixed No.) and Burst Interval (RI.- One payload will be dispensed equivale
47、nt to a CHAFF MANUAL. Any 2. (C) Defiriition: A. Pseudo-ramdom time intervals are interpreted to mean that a pattern of 126 (minimum) different combinations of the eight time intervals mentioned above, will occur before the pattern repeats. 3. (C) The probability of starting at any point in the patt
48、ern of pseudo-random time intervals shall be equal to the re- ciprocal of the number of combinations (e.g., 1/126 max- imum). Licensed by Information Handling ServicesMIL-D-Lb74 58 W 7799906 0372025 3 W - Classification cancelled or changed to -i-I-oI I. 3.5.2.5.1.1 (U) Chaff controls. - (Continued.
49、) (3) (C) A control labeled IS-QTY“ shall determine the number of salvos in a particular firing sequence. selection of 1, 2, 4, 6, 8, 10;or 15 salvos. (4) (C) A control labeled “S-INTV“ shall determine the time bstween salvos. The control shall provide for selection of 2, 4, 6, 8, or 10 second intervals. The control shall provide for 3.5.2.5.1.2 (U) Flare controls. - (1) (C) A control labeled “QTY“ sjall determine the number of flares to be dlspensed. The control shall provide for selection of dis= pensing 2, 3, 4, 6, 8, or 1
