1、MIL-R-29421(MC) 22 October 1985 MILITARY SPECIFICATION RECE I VER -TR AN SMI TTER : RT-1209 /URC This specification is approved for use by the U. S. of the Navy, and is available for use by all Departments and Agencies of the Depa rtment of Defense. Marine Corps, Department 1 SCOPE 1.1 Scope. This s
2、pecification establishes the performance, production and test requi rernents for the Receiver-Transmitter RT-l209/URC. . 2. APPLICABLE DOCUMENTS 2.1 Government documents 2.1.1 Specifications, standards, and handbooks. Unless otherwise specified, the following specifications, standards, and handbooks
3、 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. 0 SPEC I FI CATI ONS MILITARY . .- MI L-Q-9858 MIL-E-17555 Electronic and Electrical Equipmen
4、t, Accessories, MI L -A-28988 Amplifier, Radio Frequency: AM-6545/GRC-193 MI L-R -29418 Radi o Set: AN/PRC-l04(V) MI L-H-49078 Handset H-250 ( )/U MI L-E-5 2798 Enamel, Alkyd, Camouflage MI L-C-55116 Connector, Mi ni at Ure Au di o, Fi ve-pi n Qual i ty Program Req ui rement s and Repair Parts, Pack
5、aging and Packaging of - Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to: Commandant of the Marine Corps, Headquarters Mar!ne Corps, Cade LMA-1, Washington, D.C. 20380 by using the self-addressed
6、 Standardization Document Improvement Proposal (DD Form 1425) appearing at the end of this document or byletter. FSC 5820 a DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. 7 THIS DOCUMENT CONTAINS 33 PAGES. - _ ._ - b .- _- -+ - 1- - _ Provided by IHSNot for ResaleN
7、o reproduction or networking permitted without license from IHS-,-,-i STANDARDS MI L I TA RY MI L -STD -1 05 MIL-sm-109 MIL-STD-129 MI L-STD -4 54 MI L-STD-461 MI L -S TD -4 62 MI L -S TD -470 MI L-STD -471 MI L-STD -781 MI L-STD-81 O MI L -S TO -883 MIL-R-2942 1 (MC) Sampling Procedures and Tables
8、for Inspect ion Quality Assurance Terms and Definitions Marking for Shipment and Storage Standard General Requirements for Electronic Eq u i pmen t El ect roma gnet i c Emi ss i on and Suscept i bi 1 i ty Requirements for the Control of Electromagnet1 Interference El ect r oma gnet i c Interference
9、C ha ra ct eri st i cs, Measurement of Maintainability Program Requirements (For Systems and Equipments) Ma i ntai na hi 1 i ty Demonst rat i on Reliability Tests Exponential Distri buton Environmental Test Methods and Engineering Test Methods and Procedures for Microelectronics by Attributes Gui de
10、l i nec 2.1.2 Other Government documents, drawings, and puhl ications. The following other Government documents, drawings, and publications form a part of this specification to the extent specified herein. HANDBOOKS Military MI L-HDBK-472 Maintaina bil i ty Predict ion DRAW1 NGS U.S. Marine Corps 75
11、5002A1 O00 Key, tel egrap h 7 55002A16 50 Mounting tray, elect rical equipment, MT-4874/URC 755002A1800 Amplifier - converter, AM-6879/URC 755002A1810 Cable aseembly, Special purpose, electrical, 755002A1811 Cable assembly, Special purpose, elect rical, CX-l3104/URC -CX-l3105/URC Copies of specifica
12、tions, 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 Order of precedence. In the event of a conflict between the text of this sp.ecific
13、ation and the references cited herein, the text of this specification shall take precedence. 3. REQUIREMENTS 3.1 First article. Prior to submission of any complete production items for acceptance, the contractor shall furnish four first articles for 2 a Provided by IHSNot for ResaleNo reproduction o
14、r networking permitted without license from IHS-,-,-NIL-R-2742L SB W 7777706 OLSb756,b W c J MIL-R-2!X21 (MC) determination of conformance to this specification. be those specified herein, activity shall not relieve ttie contractor of his obligation to supply equip- rrents conforming to this specifi
15、cation. duction items from the first articles shall be subject to the approval of the contracting officer. Examination and tests shall Approval of the first articles by the procuring a Amy changes or deviations of the pro- 3.2 Material 3.2.1 -ses and parts. Unless otherwise specified (see 6.2.1), al
16、l parts, materials, and processes used in construction of this equipment shall conform to MIL=-STO-454. type shall be such that when mounted in the equipment, the part or material will perform its intended function. The selection of the class, grade, or 3.2.2 -e Maximum use shall be made of integrat
17、ed electronics consistent with the overall equipment requirements specified herein, in order to fully exploit the performance, reliability, cost, size, weight, 1 ogistics and maintenance advantages of these techniques. made of monolithic Integrated circuits. Film integrated circuits, multichip integ
18、rated circuits, and hybrid integt-ated circuits shall also be used where appropriate. Cost-effectiveness considerations shall be uti1 ized to guide the determination of the size and complexity of replaceable equipment modules for the optimum realization of the advantages of integrated electronics. F
19、ullest use shall be 3.2.3 v9 packaging. All solid state devices and al 1 microci rcuits ernpl oyed shall be packaged in hermetical ly sealed packages. No plastic (for example, epoxyg silicon, organo-metallics, phenolics, and so forth) encapsulated devices shall be accepted without specific written a
20、pproval of the procuring activity. a 3.3 Decignonstruclion. 3.3.1 Majsronents. The Polsr.rsng components and ancillary items are part of, or used with,-thT receiver-transm9tter. transmitter is to be supplied by the contractor, items shall be maintained, Only the receiver- I Compatibility with the an
21、cillary Item Quant i ty Rece i ver -t ra II sni t t e P R T-$209 /UR C 1 each Handset, H-250/U 1 each Telegraph Key KY-872/PRC-104 1 each Mounting tray, Electrical equipment, MT- 374/1iRC 1 each Amp 1 i fi er -converter Al-6879/URC 1 each Cable assembly, special purpose, electrical, CX-l3104/URC 1 e
22、ach Cable assembly, special purpose, electrical, CX-l3105/iJRC 1 each 3.3.1,l Radio set function. The radis set function shall consist of a receiver-transmPfastened to a vidio frequency amplifier/ automatic antenna coupler WM-6874/PRC-104 by quick disconnect latches; this assembly shall then be latc
23、hed to an appropriate battery pack to function as a a 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-NIL-R-29421 58 W 999990b OLSb757 M e 20 watt (W) man-pack radio set. The radio set control panel shall be a removable, plug in assembly of the rec
24、eiver-transmitter. set AN/PRC-104 shall be maintained. Compatibility with the radio 3.3.1.1.1 Receiver-transmitter function. The receiver-transmitter shall contain all of the necessary circuitry in 4 plug in modules and control panel assembly to function as a receiver or exciter with the performance
25、 required by this specification with the exception that necessary radio frequency interference (RFI) filtering of leads interfacing with Radio Set AN/GRC-193 may be accomplished externally (see 3.3.3). MIL-A-28988 and compatibility with the AM-6879/URC and MT-4874/1JRC shall be maintained when used
26、in Radio Set AN/GRC-193. The system interface shall be in accordance with 3.3.1.1.2 Control elements. The following controls, receptacles, and indicators shall be provided and located on the control panel. 3.3.1.1.2.1 Mode switch. This switch, with end stops, shall provide the control necessary to e
27、nable the radio set to perform the following independent fun ct i ons : Receive only (Data) Receive only (Voice or Continuous Wave (CW) Transmit /Recei ve (Voice or CW ) Transmit/Reci eve (Data) a 3.3.1.1.2.2 Frequency selector. This selector shall consist of six controls. These controls, in a line
28、from left-to-right, shall control the selection of 10 megahertz (MHz), 1 MHz, 100 kilohertz (KHz), 10 KHz, 1 KHz and 100 hertz (Hz) increments. These controls shall be adequately spaced for ease of operation. Detenting at each frequency increment shall be provided. Thumb wheel switches are not accep
29、table. with respect to ice. lieu of r0tar.y devices. These controls chal 1 be self-cleaning upon depression Push type selectors shall be considered acceptable in End stops shall be provided only on the 10-MHz control. 3.3.1.1.2.3 Frequency indication. A display located directly adjacent to the frequ
30、ency selection controls chal 1 be employed to indicate the operating suppressed carrier frequency of the equipment. This indication of frequency shall appear as whole numhers. The frequency indicators shall be visible during night operation. A light shall be provided to illuminate the frequency disp
31、lay and shall be controlled by a spring loaded switch. Illumination shall be in red. 3.3.1.1.2.4 Sideband selector. A two position switch with end stops shall be provided for selection of upper sideband (USR) or lower sideband (LSR) transmission and reception. 3.3.1.1.2.5 Audio connectors. Two audi
32、o type receptacles shall be provided for connecting the audio and keying accessories. provide the ground, audio output, push-to-tal k command, microphone input, and continuous wave (04) key circuit interfaces to the audio and keying accessories. The connector type shall be U-183 ( )/U in accordance
33、with MIL-C-55116. The pin connections shall 3.3.1.1.2.6 On/off volume control. This control shall be a rotary type. The control shall be labeled to indicate the direction of increased volume. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-29
34、q2L 58 4999906 0356758 T On/off function shall be provided at the minimum equivalent to a counterclockwise (CCW) position. The step switches shall not be used. 3.3.1.1.3 AM-6874/PRC-104 Power amplifier/automatic antenna coupler interface. Mechanical and electrical interface of the receiver-transmitt
35、er with the-AM-6874/PRC-104 shall be maintained. 3.3.1.1.4 The receiver-transmitter shall possess a specified CIo, of no less than 3400 hours, and minimum acceptable MTBF of no less than 1700 hours over the specified environmental operating range (exclusive of normal battery life). Duty cycle: conti
36、nuous keydown operation 3.3.1.1.5 Transmit-receive transition. The receiver-transmitter shall be capable of switching from transmit to receive in less than 60 milliseconds (ms). 3.3.1.1.6 Transmit power up. Full rated power shall be delivered to a 50 ohm load in no more than 60 ms measured from clos
37、ure of either the push-to-talk (PTT) or the CM key. 3.3.1.1.7 Resetability. The resetability of the frequency selecting sub- system shall be such that upon rechanneling, the operating frequency shall be within 1 part in lo6 MHz of the front panel setting. fran any operatinq channel to any other chan
38、nel, exclusive of coupler tuning time, The time required to change -. shall not exceed 9 3.3.1.1.8 reverse polarity 3.3.1.1.9 7. fi seconds. . The receiver-transmitter chal 1 incorporate use of protective diodes. Ground. The chassis shall be negative. 3.3.1.1.10 Circuit alignments. Suitable means fo
39、r proper alignment and calibration shall be provided to compensate for the effects of normal aging of parts. 3.3.1.1.11 Test points. The receiver-transmitter chal 1 incorporate test points to facilitate fault isolation and repair. 3.3.1.1.12 Compati bi1it.y. The receiver-transmitter shall be compati
40、ble with Handset H-250/U, and the Remote Control Group, AN/GRA-39. 3.3.1.1.13 Interchangeability. Provisions for interchangeability are required and shall be in accordance with requirement 7 of MIL-STD-454. 3.3.1.2 Handset H-250/U. The receiver-transmitter shall interface with a handset in accordanc
41、e with MIL-H-49078. 3.3.1.3 Telegraph Key KY-872/PRC-104. The receiver-transmitter shall interface with a telegraph key in accordance with tlrawing No. 755002A1000. 3.3.1.4 Mounting tray, electrical equipment, MT-4874/URC. The receiver- a transmitter shall mechanical 1 y interface with mountinq tray
42、 MT-4874/URC in accordance with Drawing 40“. 755002A1650. “ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- NIL-R-29qZL 58 9999906 0356759 L 3.3.1.5 Amplifier-converter, AM-6879/URCO The receiver-transmitter shall electrically interconnect with the
43、AM-6879/URC, in accordance with Drawing No. 755002A1800. with Drawing No, 75500241810 and CX-l3105/URC in accordance with Drawing No. 755002A1811. Interconnect ion chal 1 be through cables CX-l3104/URC in accordance 3.3.2 Recei ver-transmitter configuration. The interface of the receiver-transmitter
44、 with the AM-6879/URC shall be via one multi-pin connector available at the rear surface of the enclosure and one 6 pin audio connector available on the front surface. The receiver-transmitter when installed in the mount shall meet the interface requirements as established by MIL-A-28988 and Table I
45、. 3.3.4 Control life. All controls shall be functioned end-to-end without failure for no less than lO.,OOO cycles. 3.3.5 Control end stops. All controls identified as having end stops shall be capable of withstanding repeat force in each direction of 48 inch-ounces without permanent deformation to t
46、he end stops. withstand no less than 15 pounds with permanent deformation to the end stops. Push type frequency selectors shall not be actuated with less than 2 pounds of force, nor require more than 6 pounds for activation. switch shall not be activated with less than 1 pound of force nor require m
47、ore than 6 pounds for activation. Push type controls shall Push type dial lamp 3.3.6 Covers and seals. Covers for the receiver-transmitter incorporate captivated hardware. close cycles without loss of leakage resistance. Seals or sealing surfaces shall k capable of 25 open and 3.3.7 Soldering. Solde
48、ring shall be in accordance with Requirement 5 of MIL-STD-454, 3.4 Maintainability. Design criteria for the maintainability of the equipment components, and ancillary items to be contractor-furnished shall be in accordance with MIL-STD-470, MIL-STD-471, and MIL-HDBK-472. to repair (MTTR) for the rep
49、lacement of defective modules shall be no more than 15 minutes. The MTTR for the radio set, modules and subassemblies, other than throwawayitems, at the depot levels, shall be no more than 3 hours. to the specified MTTR shall be certified by a demonstration test using personnel with equivalent depot level training, The mean time Comformance 3.5 Transportability. The receiver-transmitter chal 1 be capable of being transported either as part of a portable, man-pack r
