1、Licensed by Information Handling ServicesConverter, Signal Data CV-2837/ARN-84 (V) 3.5.7 Converter, Signal Data CV-3134/ARN-84(V) 3,509 Converter, Signal Data CV-3136/ARN-84 (V) 3.5.90 or or or Converter, Signal Data CV-3135/ARN-84(V) 3.5.8 Base, Shockmount, MT-4354/ARN-84 (V) 3.5.11 Electrical Equi
2、pment Base, Hardmount, MT-4 4 4 3/ARN-8 4 (V) 3.5.12 Electrical Equipment Electrical Equipment Electrical Equipment Electrical Equipment operate with the associated equipment listed in 6.7 to the extent specified herein. or or Base, Shockmount, MT-4616/ARN-84 (V) 3.5.13 or Base, Shockmount, MT-4615/
3、ARN-84 (V) 3.5.14 or Base, Shockmount, MT-4617/ARN-84 (V) 3.5015 1.3 Associated Equipment - This equipment shall 2. 1 .: - . . Licensed by Information Handling Services2.1 General - The following documents form a part of this specification to the extent specified herein. Listed are the issues of the
4、 documents in efect for the previous procurement. However, in lieu of the issue listed, the contractor shall use the latest issue in effect of these documents where feasible. If the use of the latest issue will affect design performance, or interchangeability of any replaceable part, then the issue
5、of the document listed below shall be used. SPECIFICATIONS Military MIL-C-172C Cases, Bases, Mounting, and Supplement-1D Mounts. Vibration 8 Dec. 1958 MIL-W-5088C Wiring; Aircraft, Installation 26 May 1965 of MIL-E-5400L Electronic Equipment, Aircraft, 1 August 1969 General Specification for License
6、d by Information Handling ServicesMIL-N-BL207A 58 m 7777706 Olb78b7 3 m MIL-N-8 120 7A (AS) MIL-E-17555G 3 July 1968 Amenmen t- 1 LO Jan. 1969 MIL-T-18303B I Sept. 1966 MIL-N-18307 15 Sept. 1969 MIL-1-18955 1 Oct. 1955 MIL-S-2 O 70 8C I April 1965 Amendment-2 27 August 1969 MIL-I-22075A 1 Oct. 1965
7、MIL-1-23 36GA 28 Oct. 1966 Amendment-1 15 Jan. 1968 MIL-A-25708A 13 March 1964 MIL-S-2 5 8 79B 12 Feb. 1968 MIL-I-27848A 25 March I966 MIL-D-81170 MIL-M-81288 1 Jan. 1966 And Amendment-1 15 July 1968 4. Electronic and Electrical Equipment and Associated Repair Parts, Preparation for Delivery Qf Test
8、 Procedures; Preproduction and Inspection, for Aircraft Electronic Equipment , FoEmat far Nomenclature and Xdentification for Electronic, Aeronautical, and Aeronautical Support Equipment Including Ground Support Equipment Indicator, Range LD-388/APN Synchros, General Specification for Xndicator, Bea
9、ring-Distance- Heading fD-663/U Indicator, Horizontal Situation ID-l013/A Antenna AT-741/A Switch, Radio Frequency Transmission Line SA-52L/A Indicator, Horizontal Situa tion AQU-I/A Data Link Set AN/ASW-27 Mounting Bases, Flexible Plastic Foam Licensed by Information Handling Servicesbicroelectmoni
10、c Devices Used in Avionics Equipment, Procdures for Selection and Approval of Versatile Avionic Shop Test System, Avionic System Compatibility, General Requirement for Versatile Avionic Shop Test System Test Program, General Requirements for Maintainability of Avionic Equip- ment and Systems, Genera
11、l Require- ments for Failure Classification for Reliability Testing, General Requirements for Standard Tactical Navigation (TACAN) Signai Electromagnetic Interference Characteristics, Requirements of Equipment Electromagnetic Interference Characteristics, Measurement of Electric Power, Aircraft, Cha
12、racteristics and Utilization Licensed by Information Handling Services, MIL-STD-78 1B 15 Nov, 1967 Notice 1 28 July 1969 Reliability Tests, Exponential Distribution MIL-STD-785 28 March 1969 MIL-ST-794B 31 March 1969 MS 17322D 30 June 1967 Reliability Program for Systems and Equipment Development an
13、d Production Parts and Equipment, Procedures for Packaging and Packing Meter, Time Totalizing Miniature, Digital 115 VoLts 400 Cycle 2.101 Availability of Documents (1) When requesting specifications, standards, drawings, and publications, refer to both title and number, Copies of this specification
14、 and applicable specifications required by contractors in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Publications and Forms Center, Code 105, 5803. Tabor Avenue, Philadelphia, Pennsylvania 19120. 60 Licensed by Information Handling Serv
15、icesMIL-N-1207A 5 7777706 0367870 3 MIL-FI- 8 12 O 7A (AS ) 3.1 Preproduction - This specification makes provision for preproduction testing. 3.2 Parts and Materials - In the selection of parts and materials, tulfllment of major design objectives shall he the prime consideration. In so doing, the fo
16、llowing shall govern: (1) Hicroelectronic technology shall be considered and microelectronic items shall conform to requirements specified herein. shall conform to Specification MIL-E-5400. Nonrepairahle suhassenhlies shall he used in accordance with Specification AR-10 and as outlined in Specificat
17、ion FIIL-2-5400. (2) Other parts and materials requirements (3) (4) When previously produced models of this equipment did not use nonrepairahle suhassenhlies, the design shall not be changed to employ nonrepairahle assen5lies without the approval of the procuring activity . greases to seal them or t
18、o reduce internal arcing. or other devices not subject to contamination by dust and grit. Plug-in subassemhlies shall be so designed as to preclude improper interchange or insertion. (5) Repairable subassemhlies shall not use Such sealing shall be by O-rings (6) 3.2.1 Nonstandard Parts and Yaterials
19、 Approval - Approval for the use of nonstandard parts and materials (including electron tubes, transistors and diodes) other than microelectronic devices shall be obtained as outlined in Specification MIL-E-5409. Microelectronic devices shall be approved as outlined in AR-5 . 3.2.2 Microelectronic X
20、odular Assemblies - When used, Microelectronic XoduLar Assemblies shall meet the requirements of Specification AR-5. Conformal coatings, 1 encapsulants, embedments I. Licensed by Information Handling ServicesMIL-N-81207A (AS) or potting materials used with modular assemblies containing integrated ci
21、rcuits and discrete parts shall be easily removable without damage to the assembly. 3.2.3 Iiodules - The electronic portions of the equipment shall he functionally modularized in accordance with . Specification AR-10. 3.3 Design and Construction - The equipment shall conform with all the applicable
22、requirements oameters shall be as specified in Specification AR-IO. I faulty FJRA. be compatible with 3 - a- . -. and shall meet the requirements of Specification AR-8. required by contract, VAST Operational Test Proqram Sets shall be When VAST Test Program Sets exist for the equipment, and changes
23、to the equipment are made which will affect the fault diagnosis procedure, changes to the existing Test: Program Sets shall be Specification AR-9. prepared as part of the equipment changes in accordance with i 3.3.8 Nomenclature, Namedates and Identification Specification MIL-N-18307. 3.3.9 Standard
24、 Conditions - The followina conditions shall be used to es - -. - _ - - - - - - - - - - undex standard conditions and or kakina laboratarv henah tenks 9 Licensed by Information Handling ServicesTemperature Alti tude Room ambient (25CfSC) Normal Ground Vibration None Humidity Input power voltage 115f
25、1.0 VAC, 27.5f0.5 VDC, Room ambient up to 90% relative humidity and 26.0I0.5 VAC 3.3.10 Service Conditions - The equipment shall operate satisfactorily under any of the environmental service conditions or reasonable combination of these conditions as specified in Specification MIL-E-5400 for Class 2
26、X equipment, except as modified herein, 3.3.10 . 1 Vibration - The equipment shall operate satisfactorily when subjected to the vibration requirements of Curves IV and II of Specification MIL-E-5400. Controls shall conform to Curve I except the amplitude shall not The Navigation Set exceed 5g. 3.3.1
27、1 Warm-up Time - The time required for the equipment warm-up prior to operation shall be kept to a minimum and shall not exceed 2 minutes under standard conditions and 6 minutes at extreme service conditions. 3.3.12 Input Electrical Power 3.3.12.1 Operating Power - The equipment shall meet 811 appli
28、cable requirements of MIL-STD-704 and shall give specified performance when energized from the following power sources having characteristics and limits as defined in MIL-STD-704. The power required snall not exceed the specified amounts. (1) AC Power (Single Phase) Category B 115 volts,REC Mode 300
29、 watts T/R Mode 300 watts A/A Mode 335 watts BCN Mode 350 watts (2) DC Power,28V, Category B, 3.2A 3.3.12.2 Lighting Power - Input power for lighting shall require not more than 8 watts at 28 volts DC for the C-8734/ARN- 84071, not more than 4 watts at 5 volts DC for the C-9054/ARN- 84 (V) or for th
30、e C-9475/ARN-84 (V) - ar for the C-9483/ARhT-84 (V) 11. Licensed by Information Handling ServicesMIL-N-L207A 58 M 797970b OLb775 2 M 3.3.12 03 Blower Power - Provisions shall be made to siippy up to 1.5 amperes at 115 VAC, 400 Hz, to power an external cooling air source when the equipment is energiz
31、ed. will he permitted for voltage transients not exceeding 0.5 second during normal electric system operation. to normal with no resulting damage to the equipment. 3.3.12 0 4 Degraded Performance - Degraded performance Operation shall return 3.3.13 Coolina - The equipment shall operate satisfactoril
32、y when-ed with cooling air from the internal blower and aircraft supplied conditioned air as described in Figure 1. 3.3.14 Acoustic: Noise - NO malfunction of the equipment shall occur when subjected to a noise of 120 d relative to 0.0002 dyne per square centimeter at frequencies hetween 20 and 10,0
33、00 Hz. 3.4 Performance - Unless otherwise specified, values set forth to extahlish the requircmeiits for satisfactory performance apply to performance under both standard ancl extreme service conditions. When reduced performance under the extreme conditions is accegtahle , tolerances or values setti
34、ng forth acceptable variations from the perfomiance under the standard conditions will he specified. O eration - The equipment, when properly interconnected shal transmit to and receive from an aircraft with an AE/ARN-21 , AN/Ab7-52 (V) , APJ/ARx-72 , X?/ARY-84 (V) AI.T/AT?-90 , or AN/?IRN-91 TACAN
35、Set installed, or from a complerientary navigation beacon, a combination of pulsed signals from which it shall derive and process the information necessary to perform the functions as described in Table I . Furthermore , the equipment , independently of the signals received from the beacon or comple
36、mentary aircraft , shall provide a blanking pulse output diiring the time of its own transmission in the TRANSNIT-RFXEIVE and AIR-TO-AIR modes which will cause blanking of other equipment operating in the same frequency band. +- 3.4.1 3.4.2 Characteristics of Received TACAN Signals - This equipment
37、shall operate and provide the accuracy requirements specified herein when receiving pulse code and pulse amplitude type signals of a surface or air facility conforming to MIL-STn- 291 and in addition the following: Licensed by Information Handling Services3.4.2.1 Pulse Rice and Fall Time - The time
38、required for the leading edge of the pulse to rise trom 10 to 90 percent of its maximum voltage amplitude shall be 2.5 k 0.5 microsecond. Correspondingly the Lall time shall he 2.7 +I 1.3 microseconds. 3.4.2.2 Pulse Coding (?!ode X Channels) - The pulses shall he coded in pairs with a spacing which
39、shall he 12 3 0.5 microsecond as measured at the 50 percent maximum voltage anplitiide points from the leading edge of the first pulse of the leading edge of the second pulse. pulse spacing shall be 12.9 k 0.5 microseconds. shall he capable of using ground reply pulses, coded in pairs with a spacing
40、 of 30 k 0.5 microsecond as measured at the 50 percent maximim voltaga amplitude points from the leading edge of the first pulse of the leading edge of the second pulse. AIR-TO-AIR interrogating pulse spacing shall be 24 f 0.5 microseconds. The Y, mode A/A interrogating 3.4.2.3 Pulse Coding Mode Y C
41、hannels) - The equipment The Y mode 30602.4 Cquitter Distribution - The received scpitter mav be reasonahlv even, not necessarily random, but asynchronous wiGh modulation frequency and with DW- interrogations. 3.4.2.5 Frequency Variations - The received signal frequency may vary from the nominal RF
42、channel. frequency by f.0087 percent. 3.4.2.4 Antenna Rotation Frequency - Performance shal be maintained for rotation frequencies of 3.5 Hz f 0.8%. This tolerance shall also apply for -the ninth hamonic thereof. 3.4.3 transmit and receive radio frequency signals on frequencies as spec i f ie d in :
43、-II L-CTD- 2 9 1 interrogating a beacon or another aircraft, the maximim pulse repetition rate shall.be 150 pulse paj-rs per second (pp/s) in the search mode and 30 pp/s in the track mode. In the AIII-TO-AIR mode the minimim track interrogation rate shall be 22 pp/s. The pulse repetition rate shall
44、vary or jitter enough to preclude synchronization of transmitted pulses among any of 100 equipments on the same channel for more than I second in I. hour. A search repetitj-on rate of 135 pp/s shall be avoided to precl.ude synchronization with the fine bearing infomation. Frequency Characteristics -
45、 The equipment shall 3.4.4 Pulse Repetition Rate - When the equipment is * Y. .:. Licensed by Information Handling ServicesMIL-N-81207A 58 9797906 0369877 b i 3.4.5 Transmitter Spectrum - In both the search and track conditions, 94% of the transmitted energy shall he contained within a 500 KHz band
46、centered on the nominal frequency of the assigried channel. All lohes 1 YIIz or greater from the center frequency of the spectrum shall he at least 45 d helow the peak potrrer output . 3.4.6 Effect of Transmitter Power on Other Functions Under no circumstances shall the equipment lock on to its own
47、- transmission. equipment shall occur as a result of its own transmissions, equipment-. operating in the A/A mode on a given channel, it shall be possihle to transpond effectively to each of five interrogating aircraft when their equipments are set 63 channels from the given channel and when their s
48、ignai strength at the antenna input connector of the equipment specifiecl herein are within 12 to 15 dB of each other when the level of the weakest signal is any value from -90 clBm to -12 dBm. The equipment specified herein shall interrogate and lock-on to one of the ive, but it shall not he requir
49、ed to determine the one to which it is locked-on. equipment shall not be damaged when subjected to any number of interrogations. No degradation of any of the other functions of the 3.4.7 Traffic Capacity in A/A Uode - With the The 3.4.8 Accuracy - ALI acciJracies shall be realized when the equipment is properly loaded and the equipment is operated under any of the service conditions, or reasonahle combination thereof, as specified in MLL-E-54OO . 3.4.8 1 Distance Measurement Accuracy - The distance measurement error of th e equipment shall not exceed those of Tahle
