1、 MIL-DTL-25707/2B w/AMENDMENT 1 31 March 2008 SUPERSEDING MIL-DTL-25707/2B 25 July 1999 DETAIL SPECIFICATION SHEET ANTENNA, FLUSH MOUNT (RADIUS OF CURVATURE - 14.90 INCHES) This specification is approved for use by the Department of the Air Force and is available for use by all Departments and Agenc
2、ies of the Department of Defense. Requirements for acquiring the antenna described herein shall consist of this document and MIL-DTL-25707. FIGURE 1. Outline drawing antenna - L band. AMSC N/A FSC 5985 INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking permitted without license fr
3、om IHS-,-,-MIL-DTL-25707/2B w/AMENDMENT 1 2 NOTES: 1. Dimensions are in inches. 2. Finish: Anodize ring in accordance with MIL-A-8625. Chromate pan flange; paint pan body with flat white polyurethane enamel; radome is to be flat black. 3. Fill antenna cavity with polyurethane foam, or equivalent, de
4、nsity as necessary to maintain structural rigidity, radiation pattern as specified, and compliance to environmental requirements. 4. Metric equivalents are given for general information only and are based upon 1.00 inch = 25.4 mm. 5. Unless otherwise specified, tolerances are .015 inch ( 0.38 mm) fo
5、r three place decimals and .03 inch ( 0.76 mm) for two place decimals. REQUIREMENTS: Dimensions and construction: See figure 1. Temperature operating range: -55F to +205F. Frequency: 960 MHz to 1,220 MHz. Impedance: 50 ohms, nominal. VSWR of antenna: 960 MHz to 1,220 MHz, 1.8:1, maximum. 1,000 MHz t
6、o 1,100 MHz, 1.6:1, maximum. VSWR of sampling probe: 960 MHz to 1,220 MHz, 1.5:1, maximum. Probe attenuation: 17.5 dB 1.5 dB over frequency band 960 MHz to 1,220 MHz. Power: 4 kW, peak; 100 watts, average. Weight: Less than or equal to 17 ounces. Part or Identifying Number (PIN): M25707/2-02. Data l
7、ist: The measured data for VSWR and attenuation shall accompany each antenna when required by contract. Referenced documents. In addition to MIL-DTL-25707 this specification sheet references MIL-STD-1285 and MIL-A-8625. Amendment notations. The margins of this specification sheet are marked with ver
8、tical lines to indicate modifications generated by this amendment. This was done as a convenience only and the Government assumes no liability whatsoever for any inaccuracies in these notations. Bidders and contractors are cautioned to evaluate the requirements of this document based on the entire c
9、ontent irrespective of the marginal notations. Custodian: Preparing activity: Air Force - 11 DLA - CC DLA - CC (Project 5985-2008-007) NOTE: The activities listed above were interested in this document as of the date of this document. Since organizations and responsibilities can change, you should v
10、erify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil. Dimensions Inches Millimeters Letter Min Max Min Max B 8.235 8.265 209.17 209.93 C 7.495 7.505 190.37 190.63 D 14.84 RAD 14.96 RAD 376.94 RAD 379.98 RAD E .155 .180 3.94 4.57 F 6.78 6.84 172.21 173.74 G - .583 REF - 14.81 REF H - 1.69 - 42.93 J 2.66 2.72 67.56 69.09 K .60 .72 15.24 18.29 L .00 .12 0.00 3.05 M .91 1.03 23.11 26.16 N .07 .13 1.78 3.30 P - .160 REF - 4.06 REF Q 44 46 44 46 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
