1、- . I MILITARY SPECIFICATION , RADIO SET AN/ARc-l42 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 provide radio frequency reception and transmission, single-side3and comuni- cation
2、s, in the high frequency 2 o 30 MHz band. It skiall provide for two-way simplex communications for voice, teletype, anc Link i1 tactical data. 1000 watts average or peak envelope power. The Radio Set Rr Amplifier output shall be either 400 watts or 1.2 Classification - The equipment covered by this
3、specification shall consist of the following items: Item - Type Designation Paragraph Receiver-Transmitter RT-9 31/ARC -14 2 3.5.1 . . -_-.-. Amplifier, Radio Frequency AM-6111r/ARC-142 3.5.2 Control, Radio Set C-7789/ARC-U+2 3.5.3 Base, Shock Mount, Eectrica lE-L063/ARC-142 3.5.4 Equipment 1.3 asso
4、ciated equipment listed in 6.7 to the extent specifie herein. sssociated equipment shall not be supplied as part of the Badio Set. Associated Equipment - This equipment shall operate with the The FSC-5821 _. - 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license fro
5、m IHS-,-,-MIL-R-1627 5 7777706 0373633 T = %- KL-3-62627 (AS) 2. APPLICABB DOCUMENTS 2.1 General - the date of invitation for bids form a part or this specification to the extent specified herein: The following documents 0;“ the issue in effect on SPECIFICATIONS Military MIL- C-17 2 MIL-W-SO88 MIL-E
6、-5400 MIL-T-5422 MIL-I -61 61 MIL-c-6781 MIL-P-7788 MIL-M-7793 MIL-E-17555 MIL-T-18303 MIL-N-18307 MILyT-23103 Cases, Bases, Mounting; and Mounts, Vibration , (for use kith Electronic Equipment in Aircraft) Wiring, Aircraft, Installation of , Electronic Equipment, Aircraft, General Speci- fication f
7、or Testing, Environmentall, Aircraft Electronic Equipment Interference Control Requirements, Aircraft J Equipmnt Control Panel; Aircraft Equipmnt, Rack or Console Mounted Panels, Information, Integrally Illuminated Meter, Time Totalizing Electronic and ELectrical Equipment and Associated Repair Part
8、s, Preparation for Delivery of Test Procedures;- Preproduction and Acceptax e for Aircrft Eldctroriic Equipment, Format for Nomenclature and Nameplates for Aeronautical Electronic and Associated Equipment Thermal Performance Evaluation, Airborne Electronic Equipment; general Reqdrement for 2 Provide
9、d by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*. % SPECIFICATIONS (Continued) Military MIL-C-26482 Connectors, Electric, Circular, Miniature, Quick Disconnect, Environment Resisting MJL-81288 Mounting Bases, Flexible Plastic Foam .- MIL-C-81511 Connectors
10、, Electric Circular, High Density, Quick Disconnect, Environmental Resisting Specification for NAVAL AIR SYSTW COMMAND u-5, Microelectronic Devices Used in Avionics Equipmnt, Prooedures for Selection and Approval of . AR-10 Maintainability of Avionics Equipment and Systems, General Requirements for
11、. STAND- AR-34 r Failure Classification for Reliability, Testing, General Requirements for Military MIL-STD-704 Electric Power Aircraft Characteristics and Utilization of . MIL-STD-7 81 Reliability Tests, “qonential Distribution MIL STD-78s Bequirement for Reliability Program for Systems and Equipme
12、nt Parts and Equipment, Procedures for Packaging Electromagnetic Control Requirements for b Advanced ASW Avionic Systems 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-.i MIL-R-BZbZ7 58 = 9979906 0373635 3 W .* - 2.1 . 1 standards, drawings, and p
13、ublications, refer to both title ad number. required by contractors in connection with specific procurenent fnctions may be obtained upon appication to the Commanding Officer, Publications and Forms. Center, Code 105, 5801 Tabor .- Avenue, Philadelphia, Pennsylvania, 197 20. AvailaSilitv of Docmen-b
14、s - (I ) When reqwsting spcificaiiozs, Copies of this specification an6 applicable specificatiozs 3.1 preproduction testing. LPremoduction- This specification makes provision for 3.2 fulfillment of major design objectives shall be the prime consideration. Parts and Materials - In the selection of pa
15、rts and materials, .In so doing, the Following shall govern: (i ) tronic items shall conform io requirements specified herein. Microeleatronic technology shall be considered md microelec- (2) Specification MIL-E-5400. Other parts and materials requirements shall conform to (3) AR-?O, and as outlined
16、 in Specification ML-Z-5400, Mon-repah-able subassemblies shall be aced in accordance with (4) non-repairable subassemblies, the design shall not be changed to employ non-repairable assemblies without the approval of the procuring activity. When .previously produced models of tlris equiprnenc did no
17、t use 3.2.1 Nonstandard Parts and Materials Amrova3. - Approval for the use of nonstandard parts and materials (including electron tues, transistors and diodes) other than microelectronic devices shll be obtained as outlined in Specification XIL-3-5400. devices shall be approved as outlined in Speci
18、fication AR-5. Xicroelectronic 3.2.2 Microelectronic Xodular Assexblies - When used, Microelectronic ibdular Assemblies shall meet the requiremeats of Specification AR-5. Conformal coatings, encapsulants, ertbements or potting materials used with modular asseniblies containing integrated circuits an
19、d discrete parts shall be easily removable without damage to the assembly. 3.2.3 Modules - The electronic portions of the equipment shall be xodulariaed in accordance with Specification AR-1 O. 3.3 the applicable reqdrements of Specification XiL-E-5400 for desi, construction and workmanship, except
20、as otherwise spcifie hereic. Dscim and Constructioa - The equipment snall conforni with all Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-E-83627 (AS) 3.3.1 Total Weight - The total, weight of the equipment, exclu-C-6781. The configuration of.a
21、ll panels shall be approved by the procuring activity .prior to preproduction testing. 3.3.4.1 MIL-P-778R. be supplied by the aircraft. Panel Illumination - The panel chdl comply with specification The primary source of power shall be 5.0 volts AC and shall 3.3.5 Interchangeability - The equipment s
22、hall meet the interchangeability requirements of Specification MIL-E-5400. . 3.3.6 Interference Control - The generation of radio interference by the equipment and the vulnerability of the equipment to radio interference shall ipeet the requirements of NIL-1-6181. .- 3.3.6.1 Electromagnetic Control
23、Reqiiirements - Eiectromagnetic control requirements shall be governed by WR-101, Part I. 3.3.7 test features, construction and packaging, provisions for test points, ary1 other maintainability parameters shall be in accordance with Specification AR-10. Provisions for Maintainability - The Maintaina
24、bility Program, Built-in 3.3.8 and serial number assignment, nameplate approval and identification marking shall be in accordance with Specification ML-N-18307. Nomenclature, Nameplates and Identification Marking - Nomenclature 3.3.9, Standard Conditions - establish normal performance characteristic
25、s under standard conditions ard for making laboratoq bench tests: The following conditions shall be used to 6 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-*.: Y MIL-R-81627 58 = 7777906 0373638 7 . “. . .l .3.3.9 (Continued) 20 . Room arnbient (23
26、 C + 10C) - Temperature Al ti tude Normal ground Vibration None Humidity Input power voltage Room ambient up to 90% relative humidity 115 + 1.0 VAC, 3 phase,400 Ha 5+- 0.5 VAC, 1 phase,hOQ Hz 27.9 0.5 VDC - 3.3.10 Service Conditions - The equipment shall operate satisfactorily under any of the envir
27、onmental service conditions or reasonable combin- ation of these conditions as specified in Specification MIL-E-5400 for Class IA equipment except as modified herein. 3.3JO.l Vibration - The equipment shall operate satisfactofily when subjected to the requirements of curves I and II of Specification
28、 MIL-E-5400, except that the console control panel shall meet curve I. 3.3.11 Warm-up Time - The time required for the equipment to warm up prior to operation shall be kept to a minimum and shall not exceed 1s minutes under standard conditions and 30 minutes at exbreme service conditions. , 3.3112 I
29、nput Electric be ?ossibis to trzm.i: sd receive on any carrier frequency in tke rmgs OL 2 to 29.9999 Xz* Ali modes of operation as specified ir, 3.5.3.5 (b) shd be (BITE)wiich permits overall dynamic testing of the set in less than five (5) seconds. General - The radio set shall have self-contained,
30、 built in test .”. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-3.4.10.2 shall be initiated from the Control, C-7769/Ap,C-i42 . indications shall be asplayed to the operator OL the control C-7789. BITE shall determine whether the overall set is op
31、erating catisfactofily .and, if not, whether the receiver-transmitter, RT-931 or the Kr“ Am2iifier AM-6124 is faulty. A BITE fault indicator shall be located on the front of the RF Amplifier. Overall Radio Set Test - Overil testkg (Aut,o:nAtc Self-5es-c; !W11/WG-C41t Tie 3.4.10.3 Isolation of Faulty
32、 Functional Assemblies of IET-931 - The radio set BITE shall provide means of etedning which of the functional assemblies of the RT-931. is malfunctioning. BITE r“idt indicators shall. be located on each functional assembly of the RT-931, excluding the self- test programmer functional assembly. 3.4.
33、10.4 BITE Reset - The BITE indicators on all functional assemblies shall automatically be reset at the start of a self-test operation. Control box BITE reset shall be from the front pznel of the Control Box. 3.4.U Antenna Coupler Interface - The following auxiliary control lines shall be available f
34、or use by the antenna coupler. 3.4.11.1 circuit at a maximum of 0.2 amps. ON-OFF - A contact grounding capable of wounding a 28 V DC 3.4.11.2 0.5 amps mairim. Ground Return - The ground return shhl be capable-of handling 3.4.ll.3 shall be provided foreach band to indicate when the power amplifier is
35、 Band Logic - A ground capable of handling 100 milliamps maximum operating in the 2 to 2.99 MHz band or the 3 to 3.99 %z band. 3.4.11.4 Tune Power - A ground (O .c to 0.25 V oc), on the tune power control line capable of sinking i0 ma, shal.1 cause the transmitter to deliver TUNE POWER when the set
36、is properly keyed. 3.4.ll.S %ow. Power. - A ground capable of handling 100 milliamps maiamum shall be provided to indicate when low power operation of the tramnitter has been selected. 3.5 Detail Requirements 3.5.1 Receiver-Transmitter - The Receiver-Transmitter shall meet the following requirements
37、: 3.5.1.1 capabtlities listed in 3.5.i.5 and provide the necessary control and excitation to satisfy the particular applicable requirements of 3.4. mnction - The Receiver-Transmitter shall provide the specific 3.5.l.2 .Form Factor - The Receiver-Transmitter shall be enclosed in a case 19.50 inches l
38、ong, 7.78 inches wide, and 10.28 inches high. Tne HT unit .-. shall mount on the shock mount base described in 3.5.4. 4 11 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-1627 58 m 7779706 0171643 2 m . NL-Et-81627 (?YS) 3.5.1.3 exceed 34.0 pou
39、nds. 3.5.1.4 functional assemblies: (a) control shall generate and regulate the major low voltage sources used in the Radio Set. transmit-receive switching and shall contain EMI filtering used between the Receiver-Transmitter an external interfaces. (b) Frequency Standard - The frequency standard sh
40、all provide the stable frequency source used for ail accurate, stable frequency generation. (c) Frequency Synthesizer - The frequency synthesizer skiall generate .all required frequencies used in both receive and transmit functions. (d) Synthesizer Buffer - The synthesizer bufer shall provide the hi
41、gh purity variable injection signals for both the receive and ;trarismit function using the synthesizer variable signal as a standard frequency reference. It shall also provide the necessary switching logic for band selection. Weight - The weight of the Re.csiver-Transmitter sh milliwatts across a 6
42、0 ohm load. service conditions of this specification, the sensitivity shall not degrade from the above limits by more than 3.0 db. The sensitivity of the receiver in.AlG made over the . Over tne 3.5.1.5.2 carrier frequency as the frequency reference shall be such that : Selectivity - Ehe overall sel
43、ectivity of tne receiver using the (3) (4) NOTE : On USB, the response to signals oUtside fie range of -200 HZ to +u00 Hz shall be attenuated at east 60 db reletive to the peak response (O b reference) tin the passband of a300 Hz to +30SO Ha. . On USB, the -3 db response relative to the peak respons
44、e (O db reference) shall occur at a frequency less than +300 Hz and greater th+ i3050 Hz. exceed 3 db within the 4300 to +3OSO Hz passband. The peak to valley response ll; be setting shall be 6 to 8 db. 3.5.2.6 Controls - The FtF Amplifier shall contain no operating controls. 3.5.2.7 provided as fol
45、lows: Electrical Connections - Connections to external circuits shall bs Rdference . Designation Receptacle Type Func ti. on AJ2 (MIL-C- 81511/01E16-SP1) Control Signal 52 * AiJ3 MC .3120-16-8 A1J1 TNC UiT6 TNC B2Jl N (MIL-C-71) Power 53 RF Input Signal from RT RF Signal to Gezeiver RF Input to Coup
46、ler, Input from Antenna MS-3116E8-45 Blower Voltage 351 MS-3116% 8-45 Blower Voltage 3.5.3 _I_.-. Radio Set Control _- - The Radio Set Conixol shall meet the following requiremen*: 3.5.3.1 operator controls to select frequency, condition, mode, and to initiate the self-test function, and to provide
47、voice gain control, squelch threshold and squelch disable. indication cf coupler readiness ax faiit, self-test transmitter, “OFFI1 condition. for the associated antenna coupler, when a frequency change of 10 KHz or greater has been initiated. Function - The Radio Set Control shall contain al1 necess
48、ary It shall also pruvide to the operator an it shall also provide a channel change pulse go/no-go, and a 3.5.3.2 Form Factor - 3.62 inches deep, 5.75 inches wide, and 2.62 inches high. measured from rear of panel.). The Radio Set Control shall be enclosed in a case (Depth is Provided by IHSNot for
49、ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-Lb27 54 9 qqqyqob OL7Lb5L 1 = . ?Gi-R-6162? ( AS) 3.5.3.3 1.5 pounds. 3.5.3.4 switching and circuitry tp perform the functions described in 3.5.3.1. Weight - The weight of the iia,dio Set Control shal; not exceo6 Contents - Tne Radio Set Control shall contain all
