1、. ., P Y _“:.- i .e-, MUiR-22659D (AS) 15 February 1970 SUperSdinq MIGR-22659C (AS) 15 February 1968 MILITARY SPECIFICATION 1. SCOPE 1.1 scape - The wiganent covered by this specification shail provide two-way radio camnunication with properly equipped surface stations and other aircraft by mans of
2、amplitudelriodulated radio tele- phony. Set shall be suitable for the following uses: When installed with the necessary associated equipwnt, the Radio r. (1) - cation by means of A-M radio telephony (A3) (2) Automitic direction finding. (3) Automtic relaying wherein reception of signals on one equip
3、nentwill cause transmission on another as outlined herein. (4) Ccarminication by nieans of Radio eiephoie when use in conjunction with KY-28 equipt, KY-28 controls and the following receiver-transmittem: Receiver-Transmitter, Radio IiT-743B/ARC-51A Receiver-Transmitter , Fadio RT-780B/Aw=-5lAX Recei
4、ver-Transmitter, Radio W767B/AE#3-5lB Receiver-Transmitter, Radio RT-742C/W-51Bx 1.2 Classification - The equipnent covered by this specification shall consist of the following items: FCC 5821 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-226
5、59D (AS) Item Receiver-Transmitter , Receiver-Tranmitter, Receiver-Trancmitter, Receiver-Pansmitter, Receiver-Transmitter , Receiver-rIliiatter, Receiver-lranmitter , Control, Radio Set control, Radio Set cbntrol, Radio Set control, Radio Set Control, Radio Set cbntrol, Radio Set contsol, Radio Set
6、control, Radio Set munting Rx Bases, Mounting; and Mounts, Vibration (For Use with Electronic Equipnent in Aircraft) Mu;-W-5088 Wiring; Aircraft, Installation of MIL-E-5400 Electronic Equipcient, Aircraft, General Specifi- cation for -5422 Testing, Ehvironmental, Aircraft Electronic WFt 3 Provided b
7、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-_-_ - - MIL-R-22657D 58 9 9777906 0353323 5 MIL-R-22659D (AS) MIGI- 6 181 MIM- 6 7 81 MIIrP- 77 8 8 MIliw7793 MIGC-8384 MIL-E-17555 MIL-?-18303 MIL-“ 18 30 7 MIL-C-26482 Military r4lI.l-439 MIL-704 MIL-781 MS 280
8、55 interference Control Requirmts, Aircraft WPnt Control Panel; Aircraft Equipnent, Rack or Console Mounted Plate, Plastic, Lighting Meter, Th Totalizing Connectors, Plug and Receptacle, Electrical (Molded Body) .and Accessories, General Specifi- cation for Electronic and Electrical Equipwnt and Ass
9、oci- ated Repair Parts, Preparation for Delivery of Test Procedures, Preproduction and Inspection, . For Aircraft Electzonic Ekpipsnt, Format for Nmclature and Nameplates for Aeronautical Electronic and Associated Equipnt Connectors, Electric, Circular, Miniature, Quick Disconnect Electronic Circuit
10、s Electric Poder, Aircraft, Characteristics and Utilization of Reliability Tests, Ekponential Distribution Aircraft Instrument Mounting Flange ARINC Specification No. 410, “Mark 2 Standard Frequency Selection EI-436 Avionics Installation Instructions for Radio Set System“ AN/ARc-5IN/B/Ax/Bx 2.2 Avai
11、lability of Dxments 4 -% Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-22659D (AS) (1) when requesting specifications, standards, drawings, and publications refer to both title and nmber. Copies of applicable specifications required by contra
12、ctors in connection with specific prccurmt functions may be obtained upn application to the Camianding Officer, Publications and Fom pater, Code 105, 5801 Tabor Avenue, Philadelphia, Pennsyl- vania 19120 (2) Copies of ARINC Specification No. 410 may be obtained fm ARINC, 1700 K Street, N.W., Washing
13、ton, D. C. 3.1 Parts and Materials - In the selection of parts and materials, fulfillment of major design objectives shall be the prime am- sideration. in so doing the follcrwing shall govern: Parts and materials requirements shall conform to Specification MIL-E-5400. Nomepairable subassgnblies, as
14、outlined in Specification MIL-E-5400, shall be used when prac- ticable. The general size of the subassembly, and the munt of circuitry to be included therein shall be approved by the procuring activis. Non- repairable subassesnblies must be reliable. 6.5) (See when previousiy produced modeis of this
15、 equiprent did not use nonrepairable subassennblies, the design shall not be changed to errrploy nonrepairable assemblies without the approval of the prmincy activity. 3.1.1 Nonstandard Parts and Materials Approval - Approval for the use of nonstandard e and materials includina tubes. transistors. a
16、nd diodes shall- be abtain-E-5400 for design, oonstruction and workmnship, unless otherwise specified herein. 3.2.1 perating Life 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MTL-R-22659D (AS) 3.2.1.1 pxational Stabiliq - The radio set system sh
17、all operate with optimum pez-formance for 300 hours, continuously or inter- mittentiy, without the necessity for readjustment of any controls which are unaccessible during flight. a minimm total Operating life of 5000 hours with reasonable saxicing and replacenent of parts. and the life of such part
18、s shall be specified by the manufacturer. 3.2.1.2 Total Operating Life - The radio set system shall have Parts requiring replacement within this intervai 3.2.1.3 Time Totdiz- Meter - A time totalizing nieter confonning, as applicable, with Specification MIL-M-7793 shall be included in the KF743/ARc-
19、51AI KC-743B/ARc-51A, F3-767/ARc-51B, HP-767B/Aw=-51Br Kr780/ARC-5lAX, and rrri780B/AX-51Ax Receiver-Transnitter. The radio set system shall have a nhimnn of 300 hours of man (opexa-) tim between failures when tested and accepted as outlined under the noquirenients of 4.4.3. 3.2.1.4 Reliabiliw in Me
20、an The Between Failures (MEIBF) - 3.2.2 Cabling and Connection 3.2.2.1 Cables and Connectors - The equiypnent shall provide for the use of cables and connectors in accordance with Specification -E-5400. 3.2.2.2 Interconnection Cabling - The equiprrient shall be capable of satisfactory operation usin
21、g external wiring in accordance with the applicable requirerraentc of Specification MIGW5088. wiring shall be unshielded, except that a mhhnnn nuniber of the individual wires may be shielded when demonstrated as necessary to meet interference control requirenientc and provided the assembly of the ca
22、ble to its plugs may be easily acccnplished. External cables and that portion of the con- nectors attached to the cables shall not be supplied as part of the quip- ment. Nmclature and Nameplates - Naanenclature assignment and nameplate approval for pent identification shall be in accordance with the
23、 requiraents of Specification MILrN-18307. Interference Control - The generation of radio inter- ference by the radio set and the vulnerability of the radio set to radio interference shall be cantrolled within the limits of Specification MIGI- 6181 with the follawing exceptions: The external 3.2.3 3
24、.2.4 Antenna Conducted Keyup Condition - Spurious output between 200 and 500 mc shall not exceed 100 microvolts average and 400 microvolts maximum. Antenna Conductd Key Down Condition - The magnitude of all radiated signals frcxn 200 to 500 mc, inclusive, on other than the carrier frequency . 6 Prov
25、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-22659D (AS) shll be 40 db or mre below the carrier signal. magnitude of all radiated signals below 200 m= shall be 70 db or mre below the carrier signal. The mag- nitude of all radiated signais abme 5
26、00 mc shall be 80 db or mre below t?ae carrier signal. Receiver Intenrcdulation - The mgnitude of the Receiver Intemodulation test signals shall be at least 80 db above one nrkravolt at the test sample terminal. Receiver sensitivity shall not be degraded by mre than 2 db. The power Line Corducted In
27、terference and Susceptibility - Frequency limits shall be 150 KC to 100 MC when testhg the equiprznt. this range shall be m greater than 2 db. line conducted interference, the limits at 25 1y: shall eceiver sensitivity degradation in For power apply over the 25 mc to 100 II-C range. Radiated interfe
28、rence - An increase of 16 db abcrve the level stipulated in Specification MILrI-6181will be allowed in the frequency range fran 80 to 1350 m. carrier mtput frequency my exceed this 16 db limit- ation by an additional 30 db. The SucceptibiliQ, Audio Frequency Conducted Receiver Requirmts - The sensit
29、ivity of the receiver UIadeY standard conditions, which is 4 microvolts for trans- ceivers with 4,000 Kz audio bandwidth and 4.2 microvolts for transceivers with 6,000 Hz bandwidth, shall be used as a reference level in performing the audio frequency - - _ conductd requirements of -1-6181. a. power
30、Line cducted - Audio frequency conducted requirements of -1-6181 shall apply to the 28 mit DC cower line over the frequency range of 200 _-_ _ Hz to 15:OOO Hz with the RT in the receive de. Degradation of the main audio output signal-plus- mise-to-noise ratio shall not exceed 3 db. b. Auxiliary Gard
31、 Conducted - Audio frequency conducted requirements of MIL-1-6181 shall apply to the auxiliary guard output terminals wer the frequenq range of 200 Hz to 15,000 Hz with the RT in the receive de. Degradation of the main audio siqnal-plus-noise-to-miseratio shall mt exceed 3-db. Transmitter Requiresne
32、nts- The levei of carrier du- lation required to reach the clipping limit shall be used as a reference level in performing the audio frqency conducted requirmts of MILTI-6181, 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-22659D (AS) a. pow
33、er Line Ccxducted - Audio frequency corducted rquirarients of MIL-I-6181 shall apply to the 28 volt Dc power line over the frequency range fm 800 Hz to 15000 Hz with the IZT in the transmit niode. Degradation of the nioduiated carrier signal-plus-noise-tise ratio shall not exceed 5 db. b. Auxiliary
34、Guard Conducted - Audio frequency conducted requiresrients of MIL-1-6181 shall apply the frequency ran9 of 200 Hz to 15,000 Hz with the m in the transnit mode. the modulated carrier signal-plus-mise-*mh ratio shall not exceed 3 db. to the auxiliary guard outprit t emiinals ova Degradation of (6) Sus
35、ceptibility, Audio Frequency Conducted - The norm1 sensitiviw of the receiver, which is 4.0 microvolts for radio sets with 4000 cps bandwidth and 4.2 microvolts for radio sets with 6000 cps bandwidth, shall be used as a reference level in perforrriance of this requirenmt. (7) The limits for short du
36、ration interference caused by crystal over switching are relaxed by 20 db, with a rnaimm recurrence time of 4 cycles in three minutes permitted at rocan ambient tempexatme after a warm-up period of 15 minutes. (8) The limits for short duration interference caused by channel changing operations are r
37、elaxed by 20 db, and the maximum duration of the interference is increased to 6 seconds. 3.2.5 Interchangdility - The equipnent shall met the inter- changeability requirmts as specified in Specification MIL-E-5408. 3.2.6 Maintenance Provisions and Field Testing - PraViCions for Mtenance shall be as
38、specified in Specification MIL-E-5400. Specific test pints an3 test-facilities shall be provided to the greatest extent practicable for ease of field testing and maintenance, except that oniy the antenna input anci power connectors shall be mted on the face of the equiplient. 3.2.7 Control Panels -
39、All rack or console munted control panels shall conform to the applicable requirements of Specification MIL- C-6781. procuring activiw prior to preproduction testing. Standard Conditions - The following conditions shall be used to establish nom1 performance characteristics under standard The configu
40、ration of all control panels must be approved by tk 3.2.8 8 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-corditions ani for IMking laboratory bench tests. -ature Altitude Nomial mound Vibration None mnniaity Input power voltage Ram ambient (30OC -
41、 +lOC) dient up to 90% relative humidity 115 - + 1.0 V AC Position Three - IT/Rffi“ - guard receiver operation in addition to that of Position ihn; Position Four - “ADF“ operation on frequency selected. A Btary volm control “VOL“ for adjusting the qlitude of the audio signals delivered to the headse
42、t circuit. Three controls operating a digital display “Negacycles“ for muaily selecting any one of 3500 channels. shall indicate the frequency on which the equipwnt is operating when in the “MAN“ posi- tion. Frovisions shall be included on the C-6287/ARC-5lEX to block out the hundredths megacycle di
43、git for operation with 1750 channel equiptmt. The frequency readout display A 3-position switch to a1d.w rapid selection of three operating frequencies as follows: position One - iiPRESE“ , for operation on any one of the predetermined frequencies selected by (i) We; position Ttx - “MAN“, for opa- t
44、ion on any of the muaily selected frequencies detennined by (4) above; Position Three - “GUARD , XMIT“, for operation on the guard frequency. i Means for readily setting up new predetermined frequencies on the SO-lpsition switch type control. A “SQ DISABI;E1 switch for disabling the squelch. 3.4.2.7
45、 Vibration - Pk Position “o- “T/ operation on frequency selected; Position Three - lT/Rffitl guard receiver operation in addition to that of Position Ttm; Position Four - “ADF“ operation on frequenq selected; Five - iiRELc/Pit operation on frecpency selected; Position Six - iiREL/C“ operation on fre
46、quency selected. (3) A rotary volunv3 control, tiVOL“, for adjusting the amplitude of audio signals delivered to the headset circuit. position (4) Three controls operating a digital display mM;AcyCL;Ec“ for mually selecting any one of 3500 channels. shall indicate the frequency on which the equip- m
47、t is operating, when in the “MAN“ position. (5) A three-position Position Ttm - “MAN“, for opera- tion on any of the mually selected frequencies determined by (4) abwe; Position Wee - “GUARD XMIT“, for operation on the guard frequency. The frequency readout display (6) Msns for readily setting up ne
48、w predeterniined frequencies on the 20-position switch type control. 28 I . Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-22657D 58 W 7977706 OL51348 T MIL-R-22659D (e) (7) A “SQ DISABLE“ i/AwJ-51B or AN/ARc-51Bx and shall inclde all controls
49、 for operation and frequency selection of receiver-transmitter It shall be possible to mually select any one of the 3500 frequencies and preset up to 20 channels on any of these available frequencies. These controls shall also provide prime control for the associated me- quency Channel indicator by mans of electrical signals, so that the Indicator correctly Micates the frequency or c
