AIR FORCE MIL-R-27226 A-1967 RECEIVING SET RADIO AN ARN-67《AN ARN-67无线电接收装置》.pdf
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1、i -. i MIL-R-2722bA 5 9 77777Ob 0354074 7 MIL-R-2722 GA (USA FI 15 November 1967 SUPERSEDING MIL -R -2 722 6 (USA F) 23 July 1959 MILITARY SPECIFICATION RECEIVING SET, RADIO AN/ARN-67 1. SCOPE 1.1 designated Receiving Set, Radio AN/ARN-67. This specification covers the requirements for one type of g
2、lide scope receiver, 2. APPLICABLE DOCUMENTS 2.1 The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specification to the extent specified herein. SPECIFICATIONS Military MIL-C -1 72 MIL-(3-3098 MIL-R-4146 MIL-E-5400 MIL-T-5422
3、MIL -A - 6325 MIL-R-9486 MIL -I -2 5 3 5 5 MIL-H-27848 MIL-H-27894 STANDARDS Military MIL-STD-470 MIL-STD-471 MIL-STD-704 MIL-STD -785 Cases; Bases, Mounting; and Mounts, Vibration (For Use With Electronic Equipment in Aircraft) Crystal Units, Quartz, General Specification For Radio Transmitting Set
4、 AN/MRN-8 Electronic Equipment, Aircraft, General Specification For Testing, Environmental Aircraft Electronic Equipment Antenna, Glide Path Radio Receiving Equipment, General Speci- fication For Design Of Receiving Set, Radio AN/ARN-31 Indicator, Low Approach ID-525/ARN Horizontal Situation Indicat
5、or AQU-4/A Human Engineering Requirements For Aerospace Systems And Equipment Maintainability Program Requirements (For S y s t e m s and Equipment s) Maintainability Demonstration Electric Power, Aircraft, Characteristics and Utilisation of Requirements for Reliability Program (System and Equipment
6、) PSC 5826 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _. MIL-R-27226A 58 W 7797706 0354075 O a I MIL-STD-803 Human Engineering Design Criteria For Aerospace Systems MIL-STD-826 Electromagnetic Interference T e s t Requirements and T e s t MI L-
7、STD -831 DMWING U.S. Air Force 54324306 Installation Information, Receiver, Radio R-626/ARN-31 and Power Supply PP-ll7O/ARN-31 on Mounting MT-1454/ARN-31 and Equipment Methods Test Reports, Preparation Of (Copies of documents required by contractors in connection with specific procurement functions
8、should be obtained from the procuring activity or as directed by the con- tracting officer.) 3. REQUIREMENTS 3.1 Preproduction. This specification makes provisions for preproduction testing, 3.2 Units. The Receiving Set, Radio AN/ARN-67 shall consist of: Item Nr Quantity Description 1 1 Amplifier Mo
9、dule, Intermediate Frequency AM-2193/ARN 2 1 Mixer-Oscillator Module, Radio Frequency CV-785B/ARN 3 1 Filter Module, Band Pass F-423/ARN 4 1 Chassis, Radio Receiving Set MX-2756/ARN-67 5 1 Case, Radio Receiving Set CY-2624/ARN-67 3.3 General specification. The requirements of MIL-E-5400 shall apply
10、as require- ments of this specification with additions or exceptions to the paragraphs of MIL-E- 5400, as identified by similarity of paragraph headings, called out herein. When the two documents conflict, this specification shall govern. 3.3.1 Classification. The Receiving Set, Radio AN/ARN-67 shal
11、l be class 2 as defined in MIL-E-5400 with exceptions as specified herein. 3.3.2 Materials, parts, and processes 3.3.2.1 Approval of nonstandard parts and materials. Contract requirements for nonstandard parts and materials approval shall be category III as defined in MIL-E- 5400. . - 2- t Provided
12、by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-R-2722bA 5 W 99999Ob OL5L109b 2 W MIL-R-27226A(UAF) 3.3.2.2 Electrical Connectors -. 3.3.2.2.1 Receiver connector. The receiving set shall be provided with amain connector, Cannon Electric Company type DC-37
13、P, or equal, on the rear of the case that shall provide all electrical connections, except radio frequency, and shall mate with connector, Cannon Electric Company type DC-37SS or equal, on the mounting. Pin functions shall be as follows: Connector Pin No, Function 1 Ground . 2 Not required 3 Not req
14、uired 4 Not required 5 Spare 6 334.4-A, 334.7-B 7 335.0-A, 334.1-B 8 329.6-A, 329.9-B 9 330.2-A, 330.5-B 10 330.8-A, 329.3-B 11 331.4-A, 331.7-B 12 332. O-A, 332.3-B 13 332.6-A, 332.9-B 14 333.2-A, 333.5-B 15 333.8-A, 331.1-B 16 +27.5V dc 17 Not required 18 Not required 19 Not required 20 21 22 Flag
15、 - 23 Flag + 24 Power relay 25 Spare 26 Spare 27 Spare 28 Spare 29 Spare 31 Spare 32 Spare 33 Spare Dev - 90 Hz 150 Hz Dev + 90 Hz 150 HZ 30 Spare 34 A-B relay 35 Bridged to pin 16 36 Not required 37 Not required Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
16、om IHS-,-,-I - MIL-R-2722bA 58 97779Ob 0159097 LI W MIL-R -2 722 6A( USAI?) I 3.3.2.2.2 Antenna input connector. UG-290/U connector on the front of the receiver case. The antenna input shall be made through a type 3.3.2.3 Finishes 3.3.2.3.1 Cases and front panels. the cockpit area shall have a black
17、 wrinkle finish. Cases and front panels of equipment installed in 3.3.2.4 Meters (electrical indicating instruments) 3.3.2.4.1 A suitable elapsed time indicator, subject to the approval of the procuring activity, shall be provided on the front of the CY-2624/ARN-67 case to indicate accrued operation
18、 time of the equipment. Elapsed time indicator. 3.3.2.5 in this equipment. Electron tubes and semiconductor devices. Vacuum tubes shall not be used 3.3.3 Design and construction 3.3.3.1 All equipment units shall be designed to cool by free convection. If air vents are required, they shall be designe
19、d and protected as necessary to preclude entry of harmful foreign materials. 3.3.3.2 Interference. Electronic interference shall be controlled in the basic design of all units of the Receiving Set, Radio AN/ARN-67. The equipment shall also be designed to minimize susceptibility to interference from
20、external sources. Interference control requirements shall be in accordance with MIL-STD-826. Cooling. 3.3.3.3 Reliability, longevity, and maintainability 3.3.3.3.1 Reliability program. assurance program in accordance with MIL-STD -785. 3.3.3.3.2 Reliability and longevity. Reliability and longevity o
21、f the AN/ARN-67 receiving set shall be determined in accordance with MIL-STD-781. 3.3.3.3.2.1 MTBF. The minimum acceptable mean-time-between-failure (MTBF) of the receiving set shall be 600 hours. The contractor shall establish and conduct a reliability 3.3.3.3.2.2 Longevity. Longevity of the receiv
22、ing set shallbe no less than 3000 hours. 3.3.3.3.3 Maintainability 3.3.3.3.3.1 Maintainability program. The contractor shall establish a maintainability program plan in accordance with the requirements of MIL-STD-470. 3.3.3.3.3.2 Maintainability demonstration. Maintainability demonstration require-
23、ments shall be in accordance with MIL-STD-471. 4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- - MIL-R-2722bA 58 = 97797Ob 0354098 b MIL -R -2722 6A(USA F) 3.3.3.4 Service conditions (electrical). The receiving set shall be designated as a categor
24、y B (dc) utilization equipment in accordance with MIL-STD-704 with exceptions or additions specified herein. 3.3.3.4.1 as defined in MIL-STD-704. No performance shall be required under abnormal or emergency conditions 3.3.3.4.2 Power requirements. The electrical power required by the receiving set f
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