1、MIL-A-28890 (EC) 10 December 1984 MILITARY SPECIFICATION ANTENNA GROUP, OE-207/BR This specification is approved for use by the Naval Electronic Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. 1 SCOPE 1.1 Scope. This spe
2、cification covers the performance, design, manufacture, test, and acceptance requirements for the Antenna Group, OE-207/BR, hereinafter referred to as the antenna group. 2 APPLICABLE DOCUMENTS %. : 3- 2.1 Government documents. 2.1.1 Specifications and standards. Unless otherwise specified, the follo
3、wing specifications and ;* 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. SPECIFICATIONS MILITARY MIL-C-17 MIL-S-901 MIL-E-16400
4、MIL-E-17555 MIL-F-19207 MIL-E-22200 MIL-C-23020 MIL-C-24217 MIL-C-24231 Cables, Radio Frequency, Flexible And Semirigid, General Speci- fication For Shock Tests, H.I. (High-Impact); Shipboard Machinery, Equipment And Systems, Requirements For Electronic, Interior Communication, And Navigation Equipm
5、ent, Naval Ship And Shore: Electronic And Electrical Equipment, Accessories, And Repair Parts, Packaging And Packing Of Fuseholders, Extractor Post Type, Blown Fuse Indicating And Nonindicating, General Specification For Electrodes, Welding, Covered; General Specification For Cable, Coaxial (For Sub
6、marine Use) Connectors, Electrical, Deep Submergence, Submarine Connector, Plugs, Receptacles, Adapters, Hull Inserts, And Hull Insert Plugs, Pressure Proof, General Specification For General Specification For Beneficial comments (recommendations, additions, deletions) and any pertinent data which m
7、ay be of use in improving this document should be addressed to: Commander, Naval Electronic Systems Command (ELEX-81 11 ) , Washington, DC 20363, by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) . appearing at the end of this document, or by letter. THIS DOCUM
8、ENT CONTAINS 9 PAGES -. FSC 5985 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-! STANDARDS I MILITARY -. _ MIL-A-28870 59 m 9999906 0053870 T E MIL-STD-12 MIL-STD-22 MIL-STD-105 MIL-STD-108 MIL-STD-109 MIL-STD-167-1 MIL-STD-248 MIL-STD-271 MIL-STD-
9、278 MIL-STD-4 5 4 MIL-STD-461 MIL-STD-462 MIL-STD-471 MIL-STD-781 MIL-STD-965 DoD-STD-1399, MIL-STD-1472 Section 300 Abbreviations For Use On Drawings, And In Specifications, Standards, And Technical Documents Welded Joint Design Sampling Procedures And Tables For Inspection By Attributes Definition
10、s Of And Basic Requirements For Enclosures For Elec- tric And Electronic Equipment Quality Assurance Terms And Definitions Mechanical Vibrations Of Shipboard Equipment (Type I - Environ- mental And Type II - Internally Excited) Welding And Brazing Procedure And Performance Qualification Nondestructi
11、ve Testing Requirements For Metals Fabrication Welding And Inspection; And Casting Inspection And Repair For Machinery, Piping And Pressure Vessels In Ships Of The US Navy Standard General Requirements For Electronic Equipment Electromagnetic Emission And Susceptibility Requirements For The Control
12、Of Electromagnetic Interference Electromagnetic Interference Characteristics, Measurement Of Maintainability Verification/Demonstration/Evaluation Reliability Design Qualification And Production Acceptance. Tests: Exponential Distribution Parts Control Program Interface Standard For Shipboard System
13、s, Electric Power, Alternating Current (Metric) Human Engineering Design Criteria For Military Systems, Equip- ment And Facilities 2.1.2 Other Government drawings and publications. The following other Government drawings and publications form a part of this specification to the extent specified here
14、in. DRAWINGS NAVAL SEA SYSTEMS COMMAND (NAVSEA) 28672 A,B,C Microfilm NAVAL SHIP SYSTEMS COMMAND ( NAVSHIP) 2477254 43986 13 4491190 Fiberglass Mast Specifications, Submarine Antenna Painting And Refinishing Fiberglass Masts And Radomes Multifunction Mast Antenna Pre-installation Planning Data For T
15、RIDENT NAVAL ELECTRONIC SYSTEMS COMMAND (NAVELEX) 0104268 Electrical Interconnections Coordination Drawing 0104301 TRIDENT Multifunction Mast Antenna System (OE-207/BR) Coordina- O 104321 TRIDENT Modification Mast Antenna Control Unit Outline Dimen- tion Drawing 1 sions/Mounting 2 Provided by IHSNot
16、 for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-28890 59 9999906 0053893 3 W MIL-A-28890 (EC) PUBLICATIONS NAVSEA 0900-LP-023-8070 0900-LP-074-4010 TRIDENT CCS Specification Procedures For Painting Fiberglass Radomes And Camouflage Painting Of Submarine Fibergla
17、ss Faired Masts (Copies of specifications, standards, drawings, and publications required by manufacturers in connection with specific acquisition functions should be obtained from the contracting activity or as directed by the contracting officer.) 2.2 Other publications. The following documents fo
18、rm a part of this specification to the extent specified herein. listed in the current DoDISS and the supplement thereto, if applicable. The issues of the documents which are indicated as DoD adopted shall be the issue NATIONAL FIRE PROTECTION ASSOCIATION (NFPA) National Electrical Code NFPA 70-1984
19、(Application for copies should be addressed to the National Fire Protection Association; 470 Atlantic Avenue, Boston, MA 02210.) (Industry association specifications and standards are generally available for reference from They are also distributed among technical groups and using Federal Agencies.)
20、 libraries. 2.3 Order of precedence. In the event of a conflict between the text of this specification and the references cited herein, the text of this specification shall take precedence. 3 REQUIREMENTS 3.1 General. The antenna group shall conform to the requirements of MIL-E-16400, except as spec
21、ified herein. 3.1.1 First article. When specified, a sample shall be subjected to first article inspection (see 4.3 and 6.3). 3.1.2 Antenna group description. The antenna group shall consist of the units specified in a through e (as specified by NAVSEA Drawing (DWG) 28672). a. Radome and Antenna (Un
22、it I), AS-3076/BR (see 3.3.1) b. Antenna Control Unit (ACU) (Unit 21, C-9724/BR (see 3.3.8) c. Control and Radio Frequency (RF) Cable Assembly (Unit 31, CX-I3001/BR (see 3.3.9) d. Junction Box (Unit 41, J-3280/BR (see 3.3.10) e. Hull Penetration Insert (Unit 51, MX-9651/BR (see 3.3.11) 3.2 General c
23、haracteristics. The characteristics of MIL-E-16400 specified in a through d do not apply: a. Maximum height b. Surface ship installation c. Shore installation d. Standard hardware program (modular construction) 3.2.1 Environmental performance. The environmental service conditions of MIL-E-16400 spec
24、ified in a through e do not apply: a. Sunshine b. Fungus c. Wind velocity d. Icing e. Magnetic field 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-A-28890 59 O 9999906 0053892 3 W 3.2.1.1 Temperature. The antenna group shall conform to the t
25、emperature requirements of MIL-E-16400, except as specified in a aiid b: a. Range 4 - For Units 2 and 4 b. Range 2 - For Units 1, 3, and 5 3.2.1.2 Shock. The antenna group shall withstand the Grade A, Class 1, Type A test for medium weight equipment in accordance with MIL-S-901 as modified by the AP
26、PENDIX. 3.2.1.3 Vibration. The antenna group shall withstand the Type I testing requirements of MIL-STD-167-1. 3.2.1.4 Inclination. The 60 degree inclination requirement of MIL-E-16400 shall apply to the ACU and junction box. 3.2.1.5 Wave slap. Outboard components of the antenna group (when the ante
27、nna is fully erected 2 with associated ma t) shall withstand a 0.25 kilograms per square centimeter (kg/cm ) (500 pounds per square foot (lb/ft 1) maximum projected area loading with a safety factor of 2. 9 3.2.1.6 Underwater speed. Outboard components subjected to hydrodynamic water flow shall be c
28、apable of withstanding a relative velocity of 12 knots (at submarine snorkel depth when the antenna is fully erected) without degradation of performance. Conditions assume a severe ship turning maneuver verging on hydrodynamic stall of the hydrofoil involved. 3.2.1.7 Airborne and structureborne nois
29、e. The antenna group shall conform to the airborne noise acceptance levels as specified in TABLE I. The antenna group shall conform to the structureborne noise acceptance levels specified in TABLE 1-10 of NAVSEA 0900-LP-074-4010, Noise measurements and requirements shall be in accordance with APPEND
30、IX 60.2 of NAVSEA 0900-LP-074-4010. TABLE I. Airborne noise acceptance levels (decibels (dB). lunit I Frequency Range (Hertz (Hz) 1 1/ 37.5-75 75-150 150-300 300-600 600-1.2k1 1.2k-2.4k 2.4k-4.8k 4.8k-9.6k 80 80 75 I 75 75 75 68 numerical average between 300-4800 44 shall not exceed 45 dB I 44 64 1
31、90 2 72 4 72 68 64 85 I I I I I I I I I I - 1/ Thousand 3.2.1.8 Electromagnetic pulse (EMF) protection. The antenna group shall be hardened or shall be intrinsically hard against the EMF resulting from an exo-atmospheric nuclear burst to survive the levels specified in 3.2.1.8.1 and 3.2.1.8.2. 3.2.1
32、.8.1 External equipment. Equipment operated external to the hull shall not exhibit any permanent malfunction, degradation of performance, or deviation from specified indications beyond the tolerances and recovery times indicated in the individual equipment or subsystem specification after being subj
33、ected to a test signal having the waveform and amplitude specified in FIGURE 1. 3.2.1.8.2 Inboard equipment. All equipment and subsystem interface pins and terminals of leads, including grounds and neutrals, shall not exhibit any permanent malfunction, degradation of per- formance, or deviation from
34、 specified indications beyond the tolerances and recovery times indicated in the individual equipment or subsystem specification after being subjected to a test signal having either the waveform and common mode current level specified in FIGURE 2, whichever occurs first at the specific test frequenc
35、y. 3.2.2 Human engineering. Human engineering shall be in accordance with 3.2.2.1 and 3.2.2.2. 3.2.2.1 Human engineering requirements. The antenna group shall conform to the human factors operational and maintenance design criteria of MIL-STD-1472 and the requirements specified in 3.2.2.2. 4 Provide
36、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-28BSO 59 6 999990b 0053893 5 W . W v) H E - O W n-4 E2 O U m W I- O z / W t- O O W z cn W W v) W U o I / -c- y I I I I I I- 4 L I Provided by IHSNot for ResaleNo reproduction or networking permitted with
37、out license from IHS-,-,-MIL-A-2870 57 I 7974706 005387Li 7 I MIL-A-28890 (EC) 1 O000 W a 4: t- O = 1 1000 Y a n- O0 10 w; 100 O ELA Z-I E E O u t- = 1. E, = .1 x 4 .o1 .1 1. 10 100 .o1 0.1 1.0 10 100 FREQUENCY MEGAHERTZ (MHz) FREQUENCY MEGAHERTZ (MHz ) INTERFACE PIN CURRENT FOR EQUIPMENT INTERFACE
38、PIN VOLTAGE FOR EQUIPMENT FIGCRE 2. Test sienal waveform characteristics. 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-2870 57 m 7777706 0053875 7 m 3.2.2.2 Controls, indicators, and panel layouts. The design of operator and maintainer pan
39、el layouts, controls, and consoles shall be in accordance with MIL-STD-1472. The abbreviations of MIL-STD-12 shall be used for labeling where applicable. 3.2.3 Parts, materials, and processes. The parts, materials, and processes shall be in accordance with the Parts, materials and processes paragrap
40、h of MIL-E-16400, except as specified in 3.2.3.1 through 3.2.3.3. 3.2.3.1 3.2.3.2 Materials. Parts control. Parts control shall be in accordance with MIL-STD-965, Procedure I. The materials for the antenna group shall be as specified in 3.2.3.2.1 through 3.2.3.3. 3.2.3.2.1 Mercury and radioactive ma
41、terial. Parts used in the antenna group shall not contain, nor have come in direct contact with, mercury, mercuric compounds, or mercury-bearing instruments on devices employing only a single boundary containment during manufacture or inspection. paints or coatings shall be used. No radioactive I e
42、3.2.3.2.2 SUBSAFE requirements. All materials used in construction of the hull fitting insert and connector shall conform to SUBSAFE requirements and are subject to approval by NAVELEX (see 4.6). 3.2.3.2.2.1 SUBSAFE requirements (hull penetration). Portions of the antenna (hull penetration) to be su
43、pplied under this specification is in a SUBSAFE application aboard Navy submarines. is a term used to identify certain materials in which maximum confidence is required. utilized shall be manufactured under strict quality control procedures to assure strict compliance with all invoked specifications
44、. SUBSAFE The materials 3.2.3.2.3 Lightweight material. Aluminum or other lightweight material (approved by NAVELEX) may be used in those units of the antenna group where the weight of the units can be significantly reduced without loss of strength, machine accuracy, or resistance to wear and corros
45、ion. not permitted. Use of magnesium is 3.2.3.2.4 Cable. Special interconnecting cables shall require approval by NAVELEX prior to use and shall be furnished by the contractor as part of antenna group. 3.2.3.3 Painting. Painting shall be in accordance with MIL-E-16400, except that radome finishing s
46、hall be in accordance with NAVSHIPS DWG 4398613 and NAVSEA 0900-LP-023-8070. 3.2.4 Electrical characteristics. The electrical characteristics of MIL-E-16400 specified in a through c do not apply: a. Dielectric withstanding voltage b. Insulation resistance c. Leakage current, phase to,ground 3.2.4.1
47、Primary power. The antenna group shall operate from single-phase, 115 V, 60 Hz power having characteristics as specified for DoD-STD-1399, Section 300, Type I. shall be 525 watts (W). Maximum power consumption 3.2.4.2 Insertion loss. Insertion loss from the antenna base connector to the connector ne
48、arest each individual antenna (including the relay package, associated cable, diplexer, switch, and con- nector) shall not exceed 1.5 dB between 150 MHz and 400 MHz. 3.2.4.3 Electromagnetic compatibility (EMC). compatibly in a submarine electromagnetic environment. to the requirements of MIL-STD-461
49、 for Class A5 equipment. CS02, CS06, REOI, RE02, RSOI, RS02, and RS03. in the approved EMC test plan. The antenna group shall be designed to operate At a mimimum, the antenna group shall conform The required tests are CEOI, CE03, CSO1, The limits and susceptibility levels shall be described 3.2.4.4 Blown fuse indicators. be of the neon type using clear lenses, except where neon type indicators cannot be utilized due to the voltage involved. Wh
