1、MI L ITARY SPEC I F ICAT ION INCH-POUND I MIL-R-49304(CR) 20 September 1988 RADIO SET: AN/PRC-126 This specification is approved for use within Communication-Electronics Command, Department of the Army and is available for use by all Departments and Agencies of the Department of Defense. 1. _I SCOPE
2、 1.1 Scose. This specification establishes the performance, design, test, manufacture and acceptance requirements for the handheld radio set AN/PRC-126 2. 2.1 Government documents. 2.1.1 SBecifieations, standards and handbooks. The following specifications, standards and handbooks form a part of thi
3、s specification to the extent specified herein. Unless otherwise specified, the issues of these documents shall be those listed in the Department of Defense Index of Specifications and Standards (OODISS) and supplement thereto, cited in the solicitation. MILITARY MIL-P-116 Preservation, Methods of M
4、I L. - T - 704 MIL-H-9890 Hardware, Individual Load Carrying Equipment, MIL-M-13231 Treatment and painting OP Material Marking of Electronic Items and Hardware, Miscellaneous MIL-F-14092 Finishes for ground signal equipment MIL-T-28800 Test Equipment foi. Use with Electrical and Electronic qui pment
5、, Genreal Specification for MIL-C-43734 Cloth, Duck, Nylon, 9 OZ. MIL-6-43826 Belt, Individual Equipment, Lc-2 Beneficial comments (recommendations, additions, deletions) and any pertinent data which may be of use in improving this document should be addressed to Comrnander,US Army Communications-El
6、ectronics Command, ATTN: AMSEL-ED-TO, Fort Monmouth, New Jersey 07703-9990 by using the self-addressed Standardization Document Improvement Proposal (DD Form 1426) appearing at the end of this document or by 1 etter. FSC 5020 AMSC N/A DISTRIBUTION STATEMENT A. Approved for public release; distributi
7、on is unlimited THIS DOCUMENT CONTAINS .3(3 PAGES. Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-49304(CR) MILITARY I Cont i nuedl MIL-S-43829 MIL-C-46168 MI L- H- 49078 M
8、IL- B- 49430/7 STANDARDS MI L ITA- M I L - STD - 1 O 5 MIL-STD-109 MIL-STD-129 MIL-STD-252 MIL-STD-454 MIL-STD-461 MIL-STD-462 MIL-STD-470 MI L- STD- 47 1 MIL-STD-781 MIL-STD-785 MIL-STD-810 MIL-STD-882 MIL-STD-1472 Suspenders, Individual Equipment Belt, Lc-1 Coating, Aliphatic Polyurethane, Chemica
9、l Agent Resistant (CARC) Handset H-250()/U Batteries, Non-Rechargeable, Lithium Sulfur Dioxide (BA- 5588/U) Sampling Procedures and Tables for Inspection by Attributes Quality Assurance Terms and Definitions Marking for shipment and storage Wire Equipment, Classification of Visual and Mechanical Def
10、ect Standard General Requirements for Electronic Equipments Electromagnetic Interference Characteristics Requirements for Equipment, Subsystem and System Electromagnetic Interference Characteristics, Measurement of Maintainabil i ty Program Requirements for Systems and Equipments Maintainability Dem
11、onstration Reliability Test Exponential Distribution Re1 i abi 1 i ty Program for Systems and Equipment Deve1 opment and Product i on Environmental Test Methods and Engineering Guide1 ines System Safety Program Requirements Human Engineering Design Criteria for Military Systems, Equipment and Facili
12、ties 2 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-49304(CR) HANDBOOKS MIL-HDBK-217 MIL-HDBK-472 Maintainability Predictions Reliability prediction of electronic equipme
13、nt 2.1.2 Other Government documents, drawinqs and Dublications. The following other Government documents, drawings and pub1 ications form a part of this specification to the extent specified herein. in effect on the date of the solicitation. Unless otherwise specified, the issues shall be those OTHE
14、RS NACSIM-5100A Compromising Emanations, Laboratory Test Amendment 1, 30 Sep 81 (Confidential) Requirements, Electromagnetic(U). 1 Jul 81, NACSEM-5112 (Secret) CSEEB- XX - SIGNAL_CORPS A3 0 56 562 A30 56 563 sc-c-13589 A3056568 SM-D-889337 A3056567 A3056584 A3 056 585 A3 056583 NONSTOP Evaluation Te
15、chniques(U). Apr 75 With Amendments 1, 2, - +1 dB at 100 Hz; +I, -2 df3 at 1Q kHz; and +I, -3 dB at 12 KHz, relative to the response at 1000 Wz. 3.4.3.6 ModuPation_lim_itinq. A limiter or clipper circuit shall be provided to permit 8 kHz deviation under normal speech level, but prevent the transmitt
16、er modulation from exceeding 10 kHs deviation at an audio-frequency input level 20 dB greater than the level for 8 kHz, when tested within the specified audio range of 300 to 3000 Hz. 3.4.3.7 Low-Dass audio filter. The transmitter shall incorporate a low-pass audio filter or other device, which shal
17、l be installed between the modulation limiter and the modulated stage. greater than the attenuation at 1000 Hz. At audio frequencies above 15 kHz, the attenuation shall be at least 28 dB greater than the attenuation at 1000 Hz. At 5 KHz, the attenuation shall be at least 7 dB 3.4.3.8 FreQuency modul
18、ation hum and noise level. The ratio of residual FM (with microphone input disabled) to a modulation of 8 kHz deviation at 1000 Hz, shall be 35 d5 or greater, as measured in a base bandwidth of 300 to 3000 Hz. 3.4.3.9 Tone modulation. The radio set shall transmit a 150-Hz (+2 Hz) tone signal, 2.5 to
19、 3.5 kHz deviation, to ensure compatibility with radios designed to operate on tone-operGted squelch. attached. Tone shall be disabled when the KYV-2A is 9 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted with
20、out license from IHS-,-,-3.4.3.10 Svstem end-of-messaqe IEOM) delav time. When operated with a KYV-2A i the secure mode, the RT shall provide a delay of 100 to 150 milliseconds between release of the PTT switch and the transfer from transmit mode to receive mode, to allow transmission of an EOM afte
21、r release of the PTT. 3.4.3.11 Operational Test. The radio set shall be operationally tested using a battery, antenna, and handset, to verify the functions of all controls including channel programming and operation of the LCD display. 3.4.4 Antenna. The radio set shall incorporate as standard an AT
22、-892/PRC antenna, which is the standard PRC-77 and PRC-25 antenna. This antenna shall be flexible and 3 feet long, and is intended for long range use (3 kM). A short antenna A3056568, which is a flexible, helical antenna, 7.2 to 7.6 inches in length, and intended for short range (500 meter) communic
23、ations, shall also be included. The short antenna shall be covered with a nongloss insulating material whose color shall be nonreflective black. The RT shall provide a 50-0hpn RF output for compati bil ity with standard RF test equipment and 50-ohm antenna systems. the required hours of operation us
24、ing, batteries described in paragraph 3.4, which specify 16.0 volts operating capability (Voe) to 11.0 volts end of life (Veal). With the BA-5588/U Battery Per MIL-6-49430/7 a demonstrated life of 70 hours shall be obtained. over the standard duty cycle of 10% receive, 10% transmit, and 80% standby.
25、 3.4.5 Batterv life. The radio set shall be designed to operate with, and provide The maximum average current drain shall be 51 mA maximum when averaged 3.4.6 Audio transducers. 3.4.6.1 Audio Transducer, External. When the radio set uses its H-250 external handset, the internal speaker/microphone sh
26、all be muted. 3.4.6.2 Audio transducer, internal. An internal speaker/microphone shall be provided to allow the operator to use the RT without a handset. speaker/microphone shall provide push-to-tal k capabil i ty and a “hands-free“ monitoring capability. This 3.4.7 Carrvinq Baq. The radio shall be
27、supplied with a carrying bag that is capable of being affixed to the Individual Equipment Belt (IEB) and Individual Equipment Belt Suspenders specified in MIL-B-43826 and MIL-S-43829. Slide, Type 10, per MIL-H-9890, shall be used to attach the carrying bag to the IEB and IEB Suspenders. able to carr
28、y a spare battery, a handset, and both the long and short antennas. The radio must be operational in the carrying bag, and all operational controls must be accessible to the operator. MIL-STD-810, Method 508.3, Section I Table 508.3-1, Grade 2 (slight growth). material and color of the carrying bag
29、shall be in accordance with MIL-C-43734. A Keeper with In addition to carrying the radio, the carrying bag must be The carrying bag shall meet the fungus requirement of The 3.5 Environmental. The radio set shall meet the requirements specified herein after exposure to environmental conditions as fol
30、 1 ows : 10 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-R-43304 S m 9739906 0163327 7 M 3.5.1 Hicik Temperature, 3.5.1.1 Temperature operatinq. 0 When tested as specified
31、 in 4.6.1, the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4 at an operating temperature of +55 OC. 3.5.1.2 Temoerature storaqe. When tested as specified in 4.6.1, the radio shall withstand storage at +71 OC. 3.5.2 Low Temperature. 3.5.2.1 Termerature operatinq.
32、 When tested as specified in 4.6.1, the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4 at an operating temperature of -40 OC. 3.5.2.2 Temperature storaqe. When tested as specified in 4.6.1, the radio shall withstand storage at -57 OC. 3.5.3 Humiditv. When tested
33、as specified in 4.6.1, the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4. 3.5.4 Altitude. When tested as specified in 4.6.2, the radio shall meet the The radio shall withstand exposure to an altitude of 15,000 feet, non- requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1
34、, 3.4.3.3 and 3.4.3.4 at an altitude of 10,000 feet. operating. 3.5.5 -. After being tested, nsn-operating as specified in 46.3 the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4. The radio shall experience no mechanical damage which affects its electrical and me
35、chanical operation. 3.5.6 Drop test. After being tested, non-operating as specified in 4.6.4 the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4. The radio shall experience no mechanical damage which affects Pts electrical and mechanical operation. 3.5.7 Immersion
36、. After being tested, non-operating as specified in 4.6.5 the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4. The radio shall be submerged in water at a minimum depth of 3 feet for 2 hours. Inspection shall be started within two minutes after removal from the wat
37、er. 3.5.8 Funqus. requirement of MIL-STD-810, Method 508.3, Section I, Table 508.3-1, Grade O (no growth). (slight growth). When tested as Specified in 4.6.6 the radio shall meet the fungus The carrying bag shall meet the requirement of Table 508.3-1 Grade 2 3.5.9 Salt Xog. After being tested, non-o
38、perating as specified in 4.6.7 the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4. The radio shall show no corrosion as evidenced by any visible degradation that can be attributed to flaky, pitted, blistered, or otherwise loosened finish on the surfaces of the ra
39、dio. electrical and mechanical operation of the radio. There shall be no mechanical damage that affects the 11 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_-_ _I-_c_- - - MIL-
40、R-47304 S = 7777906 lb332 7 m O 3.5.10 Sand and Dust. After being tested, non-operating as specified in 4.6.8 the radio shall meet the requirements of 3.4.2.1, 3.4.2.5, 3.4.3.1, 3.4.3.3 and 3.4.3.4. There shall be no mechanical damage that affects the electrical and mechanical operation of the radio
41、. 3.5.11 Safety and Health. The radio shall not present safety/health hazards to operating/maintenance personnel during the radios life cycle, and shall be in accordance with Requirement 1 of MIL-STD-454. There shall be no radioactive items or devices used in the radio. 3.5.11.1 Personnel Hazards. P
42、ersonnel hazards shall be kept to a minimum. The criteria of MIL-T-28800 shall be made applicable for tasks and efforts auch as the selection of parts, the complete manufacturing and assembly process, and any product baseline configuration changes that may be implemented during the course of the con
43、tract. Verification that compliance with this requirement has been achieved shall be a thorough visual inspection (See 4. 7.1). sufficiently to minimize laceration/puncture hazards, The design goal being a minimum radius of 0.04 inch (1 mm) for edges and a minimum of 0.5 inch (12.7 mm) for corners.
44、3.5.11.2 EdseRoundinq Exposed. Exposed edges and corners shall be rounded 3.5.11,3 Radioactive Matersals. Radioactive materials shall not be used (e.g. 3.5.12 Human Enqineerinq. Luminous dials/markings, electron tubes, surge arrestors and lenses). permit satisfactory operation and maintenance with m
45、inimum demands on manpower and manpower skill requirements. The radio set and accessories shall have been designed. for efficient man-machine-relationships using sections 5.3.10, 5.4, 5.4.1, 5.5, 5.6, 5.11.1.1 and 5.11.1.5 of MIL-STB-1472 to the maximum extent possible. 3.6 Electremaqnetic Interfere
46、nce (EMI),. The radio shall comply with the following electromagnetic interference requirements of MIL-STD-461 and the EM1 statement of work: The design and construction of the AN/PRC-126 will *CE06 CS03 RE02 *RS03 *CS04 RE02.1 *RS03.1 RE03 * All harmonics and spurious radiations shall be attenuated
47、 at least 50 dB below the RF carrier level, with the exception of the second and third harmonics, which shall be attenuated at least 40 dB. * The limit at A of figure 9 of MIL-STD-461 shall be 80 dB except between the operating frequencies of 51 to 88 MHz the image response shall be 70 dB. * The rad
48、io shall not malfunction, or exhibit undesirable response or degraded performance beyond the specified tolerance provided in the specified performance, when immersed in the following electric field: 12 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for Resa
49、leNo reproduction or networking permitted without license from IHS-,-,-MIL-R-47304 58 7777706 0163327 O M FREQUENCY RANGE INTENSITY MODULATION CHARACTERISTICS 0.01 - 2 MHz 1 V/M AM, SO%, 1 KHz tone 2 - 30 MHz (1) 5 V/M AM, 5Q%, 1 KHz tone 30 - 76 MHz 10 V/M FM, 08 KHz deviation, 1 KHz tone 76 - 408 MHz (I) 10 V/M AM, 5Q%, 1 KHz tone 0.2 - 2 GHz 10 V/M Pulse, 1 usec pulse width, 880 pps 2 - 12.4 GHz 5 W/M Pulse, 1 usec pulse width, 800 pps
