1、COUPLERS, 4TENNA CU-942 ( )/AR, CU-1894 ( ) /AR AND ANTENNA S-1703( )/AR 8. 1. SCOPE B 1.1 This specification covers the following components, which operate throughout the range of 30.00 to 75.95 megacycles, (See 6.1 and 6.3): s- -1 . Antenna, Communication AS-1703( )/AR Coupler, Antenna CU-942( )/A
2、R Coupler, Antenna CU-1894( )/AR F, 2. APPLICABLE DOCUMENTS . 2.1 The following docvments of the issue in effect on date of invitation ! for bids (or request for prcposal) form a part of the specification to the extent specified herein: SPECIFICATIONS FEDERAL PPP-B-636 PPP-F-320 PPP-P-2 9 1 PPP-T-45
3、 PPP-T-9 7 HI LI TARY c MIL-P-116 MIL-E-5400 MIL-T-5422 HIL-M-13231 MIL- F- 140 7 2 Box, Fiberboard Fiberboard, Corrugated and Solid, Sheet Stock Paperboard, Wrapping, Cushioning Tape, Gummed, Paper, Reinforced and Plain, for Tape, Pressure Sensitive Adhesive, Filament (Container Grade) and Cut Shap
4、es Sealing and Securing Reinforced -1 Preservation, Methods of Electronic Equipment, Aircraft, General Testing, Environmental, Aircraft Electronic Marking of Electronic Equipment Finishes for Ground Signal Equipment Specification for Equipment FSC 5821 i I Copyright Communications - Electronics Comm
5、and Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-55693 58 m 9999906 0369096 O however, exception is permitted for preliminary tinning of electrical connections and for tinning or soldering of mechanical joints not use
6、d to complete electrical circuits, but in no case shall acid or acid salts be used where they can come in contact with insulation material. they shall be completely neutralized and removed immediately after use. Where acid or acid salts are used, as permitted above, . 3.9.3 Process. - There shall be
7、 no sharp points or rough surfaces resulting from insufficient heating. dge, indicating proper floving and wetting actions, and shall not be cryatalized, overheated, or underheated. The minimum necessary amount of flux and solder shall be used for electrical connections. Any means employed to remove
8、 an unavoidable excess of flux shall not incur the risk of loose particles of flux, brush bristles, or other foreign material remaining in the equipment; flux being spread over a larger area; or damage to the equipment. Insulation material that has been subjected to heating during the soldering oper
9、ation shall be undamaged and parts fastened thereto shall not have become loosened . The solder shall feather out to a thin 4 _.-,.-C -y: . .- :. .-a- .- . . . Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted
10、without license from IHS-,-,-MIL-C-55693 58 9999906 0369099 b W 1. MIL-C-5569 3 (EL) 3.10 Tropicalitation cf materials. - Materials shall be treated as follows : 3.10.1 Treating materials. - Treating materials containing a mercury- treating material is compatible with the material or surface to be t
11、reated. Selection of material will be held to the practical minimum. .bearing fungicide shall not be used. The contractor shall determine that the 3.10.2 Toxicity. - Treating materials shall cause no akin irritation or other injury to personnel handling the treated material during fabrication, trans
12、poration, operation, or maintenance of the equipment, or during use of the finished items used for the purpose intended. .- !- 3.10.3 Flexibility. - Treatment shall not affect the flexibility of treated materials, to the extent that the equipment may fail to meet specified “1 ?. requirements when su
13、bfected to specified service conditions . t _. _.: . - 3.10.4 Statement of treatment. - The contractor shall submit for approval to the contracting officer, a statement describing in detail the materials to be treated and the treating materials and processes that he proposes to use. (Se 6.2) 3.11 Se
14、rvice conditions (See 4.8). - The equipment shall meet the service conditions below as specified in Specification MIL-E-5400 for Class 1 equipment, -c pt as otherwise specified herein. 4 3.1161. Temperature (See 4.8.1). - L+J fl a. Operating. - Operable conforming to limits specified from -65 to 913
15、2F. moFe than a factor=ofz-2. The equipment shall be considered Class 1 except when otherwise specified. maintained during the operating- tests. Operable from +132F to +150F and no measurement shall deteriorate by however matched pairs or sets, when permitted, may be interchangeable as such. placed
16、on any unspecified dimension, rating, characteristic, etc. Individual items Reliance shall not be 3.17 Technical literature and spare parts. - Technical literature and They shall be _L_ spare parts shall be furnished as specified in the contract. identical to corresponding parts in the equipment fur
17、nished on the order. (See 6.2) , 3.18 Workmanship. - The equipment shall be manufactured and assembled in accordance with the equipment drawings (see 3.2) and or the following requirements and paragraphs herein: Soldering Requirement 5 of Workmanship Requirement 9 of Cleaning 3.6 Securing of parts 3
18、.8 Tropicalization 3.10 Alignment (parts) 3.7 Soldering 3.9 4. QUALITY ASSURANCE PROVISIONS applicable portions MIL-STD-454 MIL-STD-454 7 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from I
19、HS-,-,- _II._- - - MIL-C-55693 5 m 7999906 OLb9LO2 2 m MIL-C-55693 (EL) 4.1 Responsibility for inspection. - Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified
20、, the supplier may utilize his own facilities or any commercial laboratofy acceptable to the Government. The Government reserves the right to perform any of the inspections set forth in the specification where such lnapections are deemed necessaiy to assure that supplies and services conform to pres
21、cribed requirements. 4.2 Classification of inspection. - Inspection shall be classified as follows : a. Preproduction inspection (doh0 not include preparation for delivery) (See 4.3) b. Inspection covered by subsidiary documents. (See 4.4) C. Quality conformance inspection: (1) for delivery. (See 4.
22、5) (2) (See 4.14 and 4.15) Quality conformance inspection of equipment before preparation Quality conformance inspection of preparation for delivery. 4.3 Preproduction inspection. - This Inspection will be performed by the Government unless otherwiee specified in the contract. It shall consist of th
23、e inspection specified in the subsidiary documents covering the items listed In 4.4, and the inspection specified for Group A, Group B and Group C (see Tables I and II and III respectively). normally be performed in this order: (1) vibration, (2) shock, bench- handling and (3) shock, equipment, othe
24、r preproduction inspection may precede, follow, or be interspersed between the foregoing. be inspected under the applicable subsidiary documents as part of the inspec- tion before preparation for delivery: The preproduction inspection will 4.4 Inspection covered by Subsidiary documents. - The follow
25、ing shall Item - Finish Harking Where Required 3.4 3.5 8 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-, HIL-C-S5693(EL) 4.5 Quality conformance inspection of equipment before p
26、reparation for delivery. - The contractor shall perform the inspection specified in 4.4 and 4.5.1 through 4.5.6. responaibility for performing any additional inspection which is necessary to control the quality of the product and to assure compliance with ail epecification requirements. contractors
27、inspection procedures and examine the contractors inspection records. or part of the specified inspection, to verify the contractors compliance with specified requirements (eee 6.8). Test equipment for Government verification inspection shall be made available by the contractor. This does not reliev
28、e the contractor of his 1 The Government will review and evaluate the In addition, the Government - at its discretion - may perform all 4.5.1 Group A inspection. - Each unit of each lot of equipment shall be inspected for conformance to all the inspection and test requirements of Table I. Each lot w
29、ill be subject to verification utilizing the procedures of MIL-STD-105 using the general inspection levels and the AQLs indicated in Table I. Group A inspection shall be performed in any order which is satisfactory to the Government, except that the operational inspection (4.11) shall be last. (See
30、6.4) Tablef - Group A Inspection Req Insp AQL Para Para Major Minor Inspection Visual however, final acceptance and shipment will be withheld until the Group C reinspection results have sham that the corrective action was effective. 4.5.6 Reinspection of conforming Group C sample units. - Unless oth
31、er- wise specified, sample units which have been subjected to and passed Group C inspection map be delivered on the contract or order, provided all damage is repaired, cleaned of all foreign matter, and the sample units are resubjected to and pass Group A inspection. 4.6 Vibration preconditioning. -
32、 Place the coupler on a vibration table The Coupler shall be subjected to this pre- General test conditions. - Unless otherwise specified herein, all and operate the system with vibration in a vertical direction between 25 and 55 Hz at an amplitude of 5Gs. conditioning for one minute. 4.7 inspection
33、s shall be performed at room temperature, pressure and humidity under the following standard conditions: a. Iuput level: RF 50 watts. b. Ground plane: 4 foot diameter 4.8 Service condition tests. - The service condition tests shall be conducted in accordance with MIL-T-5422 for Class I equipment as
34、defined in Specification MIL-E-5400. uith the applicable paragraphs 3.12.3, 3.13.1 and 3.13.2 at carrier frequencies of 30.50,c50.40 and 75.95 MHz. Electrical tests shall be run to verify compliance 4.8.1 Temperature. - a. Operating. - Frcm -65F to +132*F b. Non-operating. - From -65F to +150F 12 Co
35、pyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I 4.8.2 a. XIL-T-5422 b. 4.8.3 “ . - . , MIL-C-55693 5 W 7797906 OLb7L07 L m , Altitude. - Operating. - Up to 50,000 feet at temperat
36、ures as specified in and 3.14.2. Non-operatinq. - Up to 50,000 feet Humidity. - The equipment shall be subjected to the humidity test of Specification MIL-T-5422. 4.8.4 Spray-tight protection. - The equipment shall be mounted in its normal operating position and subjected to the tests specified in T
37、able I of referenced specification for compliance with paragraph 3.11.4. 4.8.5 Vibration. - he coupler(s), with AS-1703 Antenna, or equal shall be subjected to the vibration test of MIL-T-5422 for compliance with Curve IV. Tests will be performed before, during and after vibration to verify complian
38、ce with paragraphs 3.12.3, 3.13.1 and 3.13.2 at carrier frequencies of 30.50, 50.40 and 75.95 Htiz. - 4.8.6 Shock. - 4.8.6.1 Equipment. - The equipment shall be subjected to the shock tests of kpecif ication MIL-T-5422. 4.8.6.2 Bench handling. - The coupler shall be removed from its enclosure, as fo
39、r servicing, and placed in a suitable position for servicing on a solid two-inch fir bench top. The tests shall be performed as follows, in a manner simulating shocks liable to occur during servicing: Tilt up the assembly through an angle of 30 degrees, using one edge of the assembly as an axis, and
40、 permit the assembly to drop back freely to the horizontal. Repeat, using other practicable edges of the same horizontal face as axis for a total of four drops. compliance with paragraphs 3.13.1 and 3.13.2 at carrier frequencies of 30.50, 50.40 and 75.95 MHz. Tests shall be performed before and afte
41、r shock to verify 4.8.7 Orientation, operating and non-operating. - The equipment shall meet the requirements of 3.11.7 when subjected to the conditions of paragraphs 3.12.3, 3.13.1 and 3.13.2. 4.8.8 Fungus. - The equipment shall be subjected to and meet 28 days of fungus testing as specified In Met
42、hod 508 and MIL-STD-810, other nonhermetically sealed equipment, the parts and materials of the chassis shall be sprayed. specified for compliance with 3.11.8. For gasket or The equipment shall be tested in this open condition as Copyright Communications - Electronics Command Provided by IHS under l
43、icense with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-55673 58 7777706 Olb7l08 3 = . HIL-C-55693 (EL) 4.8.9 Salt fog. - The equipment ohall be exposed in its normal operating condition to salt fog in accordance with Method 509 of MIL-STD-810 for 48
44、hours, The unit(s) shall not be opened and shall not be required to operate. equipment shall meet the requirement of 3.11.9. The 4.9 Antenna Element AS-1703( )/AR tests. - 4.9.1 Radiation element. - The internal conductor of the element shall be measured to determine that its length is as specified
45、on the equipment drawing for compliance with paragraph 3.12.1. 4.9.2 VSWR, antenna. - The antenna element with appropriate coupler shall be mounted on the ground plane to simulate the applicable aircraft, and the VSWR shall be measured at each half megahertz of the frequencies specified for complian
46、ce with 3.12.2. 4.9.3 Flexure. - The antenna element shall be placed on its coupler or suitable fixture that will simulate normal operating position. Sufficient weight shall be applied to the tip of the antenna element causing it to deflect into an arc with the tip on a horizontal level with the rig
47、id support of the antenna element. element is in full arc position, shall be 24 inches. be conducted before flexure, when the element is in full arc position, and after the flexure test, to ascertain that continuity exists between the tip and base of the element. The element shall meet the requireme
48、nt of 3.12.3. The distance between the tip and the support, when the A continuity check shall 4.10 Couplers, Antenna CU-942( )/AR and CU-1894( )/ARC-54, tests. - 4.10.1 VSM, coupler. - Connect the coupler to the specified ground plane and measure the VSWR at each 0.50 MHz position from 30 to 75.95 M
49、Hz for cornpliance with paragraph 3.13.1 4.10.2 Flexure. - The coupler, with antenna (or equal) mounted, shall be placed in its nomal operating position. Sufficient weight shall be applied to the tip of the antenna element causing it to deflect into an arc with the tip on a horizontal level with the top of the coupler cover. between the tip and the cover, when the element is in full arc position, shall be 24 inches. The requirements of
