1、MIL -R- 8 16 28B (AS) 1April 1974 Superseding . of 16 July 1971 MIL- R- 8 16 2 8A (AS) MILITARY SPECIFICATION RADIO SET AN/ARC - 14 3B This specification has been approved by the Naval Air Systems Command, Department of the Navy 1. SCOPE 1.1 Scope - The equipment covered by this specification shall
2、provide radio frequency reception and transmission on any of 7000 channels in 25 kilohertz (25 kHz) increments in the 225.000 through 399.975 MHz radio frequency (rf) band. Operationally, the equipment shall provide line-of-sight (LOS) and satellite (SAT) communications capability. More specific and
3、 detailed information is found in Section 3, REQUIREMENTS. 1.1.1 Line-of-Sight Mode - In the line-of-sight (LOS) mode, the equipment shall provide simplex two-way communications with the following modes: a. Amplitude Modulation (AM) Normal Voice b. Amplitude Modulation (AM) Secure Voice c. Frequency
4、 Modulation (FM) Link 11, Parallel Tone, d. Frequency Modulation (FM) Secure Link 11 Data e. Frequency Shift Keyed (FSK) Link 4,Serial Digital Phase-Shift Keyed Data Data Additionally, the equipment shall provide the capabilities for: emergency channel by the incorporation of a separate fixed tuned
5、guard receiver. (1) Monitoring of the ultra high frequency (UHF) AM (2) Reception of UHF automatic direction finder (ADF) signals, on any selected channel. JHIS DOCUMENT CONTAINST?PAGES FSC-5821 - ! Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Pro
6、vided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-81628B (AS) SPECIFICATIONS Military MIL-B-5087 Bondihg, Electrical, and Lightning Protection, for Aerospace Systems MIL-W-5088 Wiring; Aircraft, Installation of MIL-E-5400 Electronic Equipment, Aircr
7、aft, General Specification for MIL-T-5422 Testing, Environmental, Aircraft Electronic Equipment MIL-1-6181 Interference Control Requirements, Aircraft MIL-C-6781 Control Panel, Aircraft Equipment, Rack or Equipment Console Mounted MIL-P-7788 Panels, Information, Integrally Illuminated MIL-M-7793 Met
8、er, Time Totalizing MIL-E-17555 Electronic and Electrical Equipment and Associated Repair Parts, Preparation for Delivery of MIL-T-18 303 Test Procedures; Preproduction and Acceptance for Aircraft Electronic Equipment, Format for MIL-M-18307 Nomenclature and Nameplates for Aeronautical Electronic an
9、d Associated Equipment Naval Air Systems Command AR- 5 Microelectronic Device.s Used in Avionics Equipment, Procedures for Selection and Approval of NAVTACSTANS US Navy Book of Standards for Tactical Data OPNAVINST Systems (This document is classified c5711.91B CONFIDENTIAL) Provided by IHSNot for R
10、esaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R- 816 2 8B (AS) STANDARDS Military MIL-STD-280 MIL-STB-454 MIL-STD-470 MIL-STD-704 MIL-STD-794 MIL-STD-785 MIL-STD-781 MS -17322 Definitions of Item Levels, Item Exchange- ability Models and Related Terms Standard General
11、 Requirements for Electronic Equipment Maint a inab i 1 i ty Pro gram Requirements (for Systems and Equipments) Electric Power, Aircraft, Characteristics, and Utilization of Parts and Equipment, Procedures for Packaging and Packing of Reliability Program for System and Equipment Development and Prod
12、uction Reliability Tests, Exponential Distribution Meter, Time Totalizing, Miniature, Digital National Security Agency CSEEB-13B TSEC/KY-28 (V-2) Speech Security Equipment, Half Duplex Wide-Band, Airborne (U) (This document is classified CONFIDENTIAL.) 2.1.1 Availability of Documents - When requesti
13、ng specifica- tions, standards, drawings and publications, refer to both title and number. Copies of this specification and applicable specifi- cations required by contractors in connection with specific procurement functions may be obtained upon application to the Commanding Officer, Publications a
14、nd Forms Center, Code 105, 5801 Tabor Avenue, Philadelphia, Pennsylvania 19120. 3. REQUIREMENTS preproduction testing. 3.1 Preproduction - This specification makes provision for 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-8Lb28B 58 U 9999
15、906 OL7Lh70 5 MIL-R-81628B (AS) 3.2 Parts and Materials - In the selection of parts and materials, fulfillment of major design objectives shall be the prime consideration. In so doing, the following shall govern: a. Microelectronic technology shall be considered and microelectronic items shall confo
16、rm to requirements specified herein. b, Other parts and materials requirements shall conform to Specification MIL-E-5400. c. Nonrepairable subassemblies shall be used as outlined in Specification MIL-E-5400. size of the subassembly and the amount of circuitry to be included therein shall be approved
17、 by the procuring activity. Nonrepairable subassemblies must be reliable (see 6.5). When previously produced models of this equipment 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 Non
18、standard Parts and Materials Approval - Approval The general d. for the use of nonstandard parts and materials (including tran- sistors and diodes) other than microelectronic devices shall be obtained as outlined in Specification MIL-E-5400. devices shall be approved as outlined in AR-5. Microelectr
19、onic 3.2.2 Microelectronic Modular Assemblies - When used, Micro- electronic Modular Assemblies shall meet the requirements of Specification AR-5. or potting materials used with modular assemblies containing integrated circuits and discrete parts shall be easily removable without damage to the assem
20、bly. The provisions of Specification AR-5 shall govern microelectronic modular assembly interchange- ability. Conformal coatings, encapslants, embedments, 3.2.3 Modules - The electronic portions of the equipment shall be functionally modularized. 3.2.4 Solid-state Design - No electron tubes shall be
21、 utilized in the design of this equipment. Semiconductor tran- sistors and diodes shall be in accordance with MIL-STD-454 Requirement 30. 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-BLbZBB C = 779770b 0171671 7 3.3 Design and Construction
22、 - The equipment shall conform with the applicable requirements of Specification MIL-E-5400 and MIL-STD-280 for design, construction and workmanship, except as otherwise specified herein. The MIL-STD-454 requirement (limitation of no more than 3 wires per terminal) may be exceeded provided that: a.
23、The equipment performs satisfactorily during all testing and service use. b, The wires are positioned on the terminal in such a manner that individual wires may be removed at any time without damage to the remaining wires or terminal pos t. 3.3.1 Total Wei ht - The total weight of the equipment, exc
24、luding SAT _T_B_ LOS Select Panel, cables, and preamplifier assembly, shall be a minimum consistent with good design and shall not exceed 42 pounds. 3.3.2 Reliability- The contractor shall conduct a reliability program using MIL-STD-785 as a guide. supplier who has previously produced the equipment,
25、 the program previously used may be continued unless Otherwise indicated in the contract or order, to both the development and production phases. On a re-order from a The reliability program shall be applied 3.3.2.1 Operational Stability - The equipment shall operate with satisfactory performance, c
26、ontinuously or intermittently for a period of at least 1200 hours without the necessity for readjustment of any controls which are inaccessible to the operator during normal use. operating life of 20 ,000 h ours with reasonable servicing and replacement of parts. Parts requiring scheduled replacemen
27、t shall be specified by the contractor. 3.3.2.3 Reliability In Mean-Time-Between-Failure (MTBF) - The equipment, including any Build-In-Test provisions, shall have 1200 hours specified mean (operating) time between failures, (CI0), when tested and accepted as outlined under the requirements in 4.4.3
28、, Reliability Assurance Test. The field MTBF, including externally induced failures, is expected to be in the 500 hour range 3.3.2.2 Operating Life - The equipment shall have a total 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-816286 58 7
29、77770b O373672 7 3.3.2.4 Time Totalizing Meter - The Receiver-Transmitter RT-932B/ARC-143 shall contain a time totalizing meter in accordance with Specification MIL-M-7793 and MS-17322. 3.3.3 Cabling and Connections - 3.3.3.1 Cables, and Connectors - The, equipment shall provide for the use OF cable
30、s and connectors in accordance with Specifica- tion MIL-E-5400. Functionally non-interchangeable, multi-pin connectors shall not be physically interchangeable. 3.3.3.2 Interconnection Cabling - The equipment shall be capable of satisfactory operation using external wiring in accordance with the appl
31、icable 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, provided the mating of the cable and its plugs may still be easily
32、accomplished. External cables and that portion of the connectors attached to the cables shall not be supplied as part of the equipments. 3.3.4 Cp-atrol-Panels - All rack or console mounted control panels shall cdfifin to the applicable requirements of Specifi- cation MIL-C-6781. The configuration of
33、 all panels must be approved by the procuring activity prior to preproduction testing. 3.3.5 1n.terchangeability - The equipment shall meet the interchangeability requirements of Specification MIL-E-5400. The equipment shall be constructed to preclude the requirement for any “on aircraft“ adjustment
34、s when replacing a Weapon Replaceable Assembly (WRA) by another WRA of the same type designation. 3.3.6 Interference Control - The generation of radio inter- ference by the equipment and the vulnerability of the equipment to radio interference shall meet the requirements of MIL-1-6181, without the a
35、ssistance of external suppression devices. The interference limits specified in MIL-1-6181 and the approved test plan shall apply to the generation of electromagnetic interference (EMI) by the transceiver and the susceptibility of the transceiver to an EM1 environment, except as detailed in the cont
36、ract. 3.3.7 Maintenance Provisions - Provisions for maintenance shall be as specified in Specification MIL.-E-5400. Specific test points and test facilities shall be provided to the greatest extent practicable for ease of field testing and maintenance. Built-in test features shall provide fault isol
37、ation to the functional assembly (see 3.6.2). 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-81628B (AS) 3,3.7,1 Quantitative Maintainability Requirements - The quantitative maintainability requirements of the UHF Radio Set shall provide for
38、 the achievement of the following: a. b. C, d, e, E g* h, 3.3e7.2 The equipment shall be designed so that faults shall be isolated to the radio set by means of built-in test features, computer diagnostic procedures or other means. A Mean-Time-To-Repair (MTTR), at organizational level (WRA replacemen
39、t), of 11 minutes, excluding access delay time and supply delay time. A maximum time to repair (sax ) at organizational level of 17 minutes (95th percentile) , excluding access delay time and supply delay time. A Mean-Time-To-Repair (MTTR), at intermediate level of 30 minutes for the weapons replace
40、able assembly. A maximum time to repair (Mmax ) at intermediate level of 33 minutes (95th percentile), for the wea- pons replaceable assembly. A Mean-Time-To-Repair (MTTR), at intermediate level of 31 minutes for the repairable subassembly or functional module assembly. A maximum time to repair (Mma
41、, ct) at intermediate level of 34 minutes (95th percentile), for the repairable subassembly or functional module assembly, Probability of a correct Eault isolation, utilizing the positions of the built-in test switch, shall be at least 80%. Organizational and Intermediate Level, Maintenance Test and
42、 Checkout Requirements - T EFZEEZl requirements shall b e as speciEied in MIL-E-5400. 3.3.7.3 Test Points - Test points shall provide sufficient signal access to permit, as a minimum, field shop end-to-end tests and fault isolation to the functional module level. 3.3.7.4 Service and Access - The equ
43、ipment shall be designed as follows: 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-81628B (AS) 3.3.11 Warm-up Time - The time required for the
44、 equipment to warm-up prior to operation shall be kept to a minimum and shall no.t exceed one (1) minute under standard conditions and two (2) minutes under service conditions. 3.3.12 Input Electrical Power - 3.3.12.1 Operating Power - The equipment shall meet all applicable requirements of MIL-STD-
45、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 shall not exceed the specified amounts: RT-932B: AC Power (three phase) 115/200 V, 400 Hz, Category “B“, 890 VA. C-779lB: AC Power
46、 (single phase) 5 V, 10 VA (Panel Lighting) DC Power 18 V, 1 watt (Panel GO Lamp) c 3.3.12.2 Voltage Transients, Frequency Transients and Power Interruptions - a, During normal operation, as per MIL-STD-704, of the primary electronic system, utilization equip- ment shall provide 100 percent performa
47、nce within the following limits of MIL-STD-704: Limits 2 and 3 of Figure 3 Limits 2 and 3 of Figure 5 b. The utilization equipment shall withstand the following voltage and frequency transients and power interruptions due to faults external to the power supply, improper adjustment of the equipment i
48、tself, or associated equipment. The equipment shall -withstand any overload without permanent damage to the equipment and shall return to normal operation once the overload has cleared by opera- tion of the Control Box ON-OFF mode selector switch. (1) AC voltage transients shall be within limits 1 a
49、nd 4 of Figure 3 of MIL-STD-704. 3,3,12.3 Protective Devices - Electronic current overload protective devices shall b e used, Fuses or circuit breakers - shall not be used. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL -R- 8 16 28 B (AS) 3.3.12.4 Short Circuit Protection - The equipment shall be designed so that a short
