1、MIL-R-81498C 13) 9999906 I1853088 425 I INCH-POUND I MIL-R-81498C (AS) AMENDMENT 3 12 MARCH 1993 SUPERSEDING AMENDMENT 2 15 May 1981 MILITARY SPECIFICATION RECE IV ING-DECOD ING GROUP AN/ARA-63 This amendment forms a part of MIL-R-81498C(AS), dated 13 December 1979, and is approved for use by the Na
2、val Air Systems Command, Department of the Navy, and is available for use by all Departments and Agencies of the Department of Defense. PAGE 1 Paragraph 1.2 Delete in its entirety and substitute: 1.2 Classification - The equipment, covered by this specification, shall consist of the following items:
3、 Type Designation Appl i cab1 e Paragraph . Radi o Recei ver R-1379/ARA-63 3.5.1 R-1379A/ARA-63 R- 1379B/ARA-63 O Pulse Decoder KY-651/ARA-63 3.5.2 KY-651A/ARA-63 KY-651B/ARA-63 KY -65 1 C/ARA- 63 Receiver Control C-7949/ARA-63 3.5.3 C-7949AlARA-63 C-7949BlARA-63 1 of 5 AMSC NIA FSC 5826 DISTRIBUTIO
4、N STATEMENT A. Approved for public release; distribution is unlimited. Licensed by Information Handling ServicesMIL-R-81498C (3) MIL-R-81498C(AS) AMENDMENT 3 PAGE 1 DD Form 1426 note. Delete in its entirety and substitute: Beneficial comments (recommendations, additions, deletions) and any pertinent
5、 data which may be of use in improving this document should be addressed to: Commanding Officer, Naval Air Warfare Center Aircraft Division Lakehurst, Systems Requirement Department, Code SR3, Lakehurst NJ 08733-5100, by using the self-addressed Standardization Document Improvement Proposal (DO Form
6、 1426) appearing at the end of this document, or by letter. PAGE 2 2.1 Electronic Equipment .II Environmental Test methods and Engineering Guide1 ines.“ Under SPECIFICATIONS, Delete “MIL-T-5422 Testing, Environmental Aircraft and substitute under STANDARDS, “MIL-STD-810, PAGE 3 2.1 Under STANDARDS,
7、add the following standards: “DOD-STD-1686, Electrostatic Discharge Control Program for Protection of Electrical and Electronic Parts, Assemblies, and Equipment (Excluding Electrically Initiated Explosive Devices) (Metric) .I “MIL-STD-2000, Standard Requirements for Soldered Electrical and Electroni
8、c Equipments.“ 2.1 Equipment; Procedures for selection and approval ofIl and substi tute “MIL-STD-965, Parts Control Program.“ Under Pub1 ications, delete “AR-5 Microelectronic Devices Used in Avionics Delete “AR-IO, Maintainability of Avionics Equipment and Systems; General Requirements for“ and su
9、bsti tute l1M1L-STD-2084(AS), General Requirements for Maintainability of Avionic and Electronic Systems and Equipment.“ Delete 2.1.1 and substitute: and military specifications, standards and handbooks are available from the Standardization Documents Order Desk, Bldg. 4D, 700 Robbins Avenue, Ph i 1
10、 adel ph i a, PA “(Unless otherwise indicated, copies of federal 19 1 1 1-5094. ) “ PAGE 4 3.2 In second and last line, delete “AR-IO“ and substitute “MIL-STD-2084(AS) .II 3.2.1 In last line, delete “AR-5“ and substitute “MIL-STD-965.“ 3.2.2 In second line, delete “AR-5“ and substitute “MIL-STD-2084
11、(AS).“ 3.2.3 In last line, delete “AR-10“ and substitute “MIL-STO-2084(AS) .II 2 Licensed by Information Handling ServicesMIL-R-BL498C (3) 999970b I1853090 083 MI L-R-81498C (AS) AMENDMENT 3 PAGE 5 Add as new paragraph 3.3.2.5 “3.3.2.5 Sol der i nq - Sol der i ng shall be i n accordance wi t h MI L-
12、STD-2000. II Add as new paragraph 3.3.2.6 “3.3.2.6 Electrostatic Discharqe - Electrostatic discharge control for the protection of electrical and electronic parts, components, assemblies and equipment shall be in accordance with DOD-STD-1686.“ Paragraph 3.3.5 Interchanqeabi 1 i tv - Add the fol 1 ow
13、ing after the 1 ast sentence: “The equipment shall be interchangeable with a model of previously manufactured equipment suppl ied or designated by the procuring activity, and all assemblies, subassemblies and replaceable parts of the equipment being procured shall also be interchangeable with the co
14、rresponding assemblies, subassemblies and replaceable parts of the model of the previously manufactured equipment supplied or designated by the procuring activity.“ PAGE 15 Paragraph 3.5.1.4 Contents Delete subparagraph a. (1) Local Oscillator. Add the following: (1) Local Oscillator - The local osc
15、illator shall be a 10-channel crystal- controlled, (one crystal for each channel), solid state unit employing multipliers, amplifiers and filters to obtain the required output. PAGE 17 Paragraph 3.5.2.4 Contents Delete subparagraph b. (3). Add subparagraph 3.5.2.4b (3) Provide video coding signal fo
16、r modulating the IF oscillator in the Receiver BIT module. output circuit shall be capable of driving an impedance of 75 ohms in para1 1 el with a 3000-pf capacitor. The KY/651B/ARA-63 and KY/651C Pulse Decoder BIT PAGE 18 Paragraph 3.5.2.4 (continued) Delete existing Subparagraph g. and substitute
17、the following: g. The KY-651A/ARA-63, KY-651B/ARA-63 and KY-651C/ARA-63 shall contain a glide slope selector switch for ease in glideslope adjustment. PAGE 19 Paragraph 3.5.3.2: Delete in its entirety and substitute: 3 Licensed by Information Handling ServicesMIL-R-BL498C (3) W 9999906 L85309L TLT M
18、I L-R-81498C (AS) AMENDMENT 3 PAGE 19 (continued) “3.5.3.2 Form Factor - The Receiver Control shall be 5.75 inches wide by 1.50 inches high and not greater than 3.69 inches deep, not including protrusion of control s (see 3.5.3.4) and the connector. I Paragraph 3.5.3.6: Delete in its entirety and su
19、bstitute: “3.5.3.6 Panel Liqhtinq - Panel lighting shall be as specified in MIL-P-7788. The Receiver Control panel information markings shall have uniform illumination and preclude the need for additional indicator lights for function identification; e.g., it shall not have a power ON/OFF lamp.“ PAG
20、E 20 4.2.1 Add parenthetical note “(see 6.10).“ 4.2.2 In last 1 ine delete “MIL-T-5422“ and substitute “MIL-STD-810.“ PAGE 27 4.5.4.1 Add parenthetical note “(see 6.10).“ 4.6 Add parenthetical note “(see 6.10).“ PAGE 31 6.10 Delete in its entirety and substitute: “6.10 Consideration of data reauirem
21、ents. The following data requirements should be considered when this standard is applied on a contract. applicable Data Item Descriptions (DIDs) should be reviewed in conjunction with the specific acquisition to ensure that only essential data are requested or provided and that the DIDs are tailored
22、 to reflect the requirements of the specific acquisition. To ensure correct contractual application of the data requirements, a Contract Data Requirements List (DD Form 1423) must be prepared to obtain the data, except where DOO FAR Supplement 27.475-1 exempts the requirement for a DD Form 1423. Ref
23、erence ParaaraRh DID Number DID Title The 4.2.1 DI-NDTI-80809A Test Reports 4.5.4.1 DI-RELI-80252 Reliability Test Reports 4.6 DI-NDTI-80807A Test Reports The above DIDs were those cleared as of the date of this specification. current issue of DOO 5010.12-L, Acquisition Management Systems and Data R
24、equirements Control List (AMSDL), must be researched to ensure that only current, cleared DIDs are cited on the DD Form 1423.“ The 4 Licensed by Information Handling ServicesMI L-R-81498C (AS) AMENDMENT 3 After 6.10, add: 6.11 Subject term (keyword) listinq. Approach guidance Cab1 e assembly Control
25、 signal Distance measuring equipment (DME) Pul se-decoder Pul se modul at i on Receiver Signal modulation Transmitter 6.11 Delete “NAVAIR-5334“ and substitute “AIR-546XlF.I Renumber existing “6.11“ as “6.12.“ Preparing Activity: Navy - AS (Project No. 5826-N219) 5 Licensed by Information Handling Services
