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1、INCH-POUND MIL-DTL-17/60D w/AMENDMENT 1 12 October 2006 SUPERSEDING MIL-DTL-17/60D 4 January 2006 DETAIL SPECIFICATION SHEET CABLES, RADIO FREQUENCY, FLEXIBLE, COAXIAL, 50 OHMS, M17/60-RG142. This specification is approved for use by all Departments and Agencies of the Department of Defense. The req
2、uirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-17. FIGURE 1. Configuration. AMSC N/A FSC 6145 MIL-DTL-17/60D w/AMENDMENT 1 2 TABLE I. Description. Components Construction details Inner conductor Solid silver-coated, copper covered, steel wi
3、re Overall diameter: 0.037 inch 0.001 Dielectric core Type F-1: Solid, extruded PTFE Diameter: 0.116 inch 0.005 Outer conductor Inner braid Outer braid Double braid of AWG #36 silver-coated copper wire Diameter: 0.171 inch maximum Coverage: 94.8% nominal Carriers: 16 Ends: 7 Picks/inch: 11.5 10% Cov
4、erage: 93.1% nominal Carriers: 16 Ends: 7 Picks/inch: 14.5 10% Jacket Type IX: FEP Diameter: 0.195 inch 0.005 ENGINEERING INFORMATION Configuration: See figure 1. Capacitance: 29.3 pF per foot, nominal. Continuous working voltage: 1,400 V rms, maximum. Operating frequency: 12.4 GHz, maximum. Velocit
5、y of propagation: 69.5 percent, nominal. Power rating: See figure 2. Operating temperature range: -55 to +200C. Weight: 0.043 pound per foot, nominal. Inner conductor properties: DC resistance (maximum at 20C): 1.95 ohms per 100 feet. Elongation: 1 percent, minimum. Tensile strength: 110 klbf/inch2,
6、 minimum. Engineering notes: This cable useful in general purpose, high temperature applications. (See connector series “TNC“, “BNC“, and “SMA“ in accordance with MIL-PRF-39012. NATO preferred type NWR-25.) MIL-DTL-17/60D w/AMENDMENT 1 3 REQUIREMENTS Dimensions, configuration, and descriptions: See
7、figure 1 and table I. Environmental and mechanical: Visual and mechanical examination: Eccentricity: 10 percent, maximum. Adhesion of conductors: Inner conductor to core: 4 pounds, minimum; 15 pounds, maximum. Stress crack resistance: +230 5C. Mandrel size: Seven times the jacket diameter. Dimension
8、al stability: +200 5C. Inner conductor from core: 0.250 inch, maximum. Inner conductor from jacket: 0.312 inch, maximum. Flammability: Applicable. Electrical: Test frequency: 50 MHz to 12.4 GHz. Spark test: 2,000 V rms, minimum. Voltage withstanding: 5,000 V rms, minimum. Corona extinction voltage:
9、1,900 V rms, minimum. Characteristic impedance: 50 ohms 2. Attenuation: See figure 2. Structural return loss: See figure 3. Part or Identifying Number (PIN): M17/60-RG142. MIL-DTL-17/60D w/AMENDMENT 1 4 Frequency MHz Attenuation dB Power watts 50 100 400 1000 3000 8000 12400 3.0 4.4 9.3 15.3 29.3 57
10、.8 85.4 3500 2400 1100 650 330 180 120 Tabulated values are for references only. The values on the chart represent the requirements. Maximum attenuation at 25C, sea level Maximum power at 25C, sea level - FIGURE 2. Power rating and attenuation. MIL-DTL-17/60D w/AMENDMENT 1 5 MHz dB 50 100 25.5 23.8
11、23.1 400 1000 2000 3000 8000 22 20 20 20 12400 20 Tabulated values are for reference only. The values on the chart represent the requirements. FIGURE 3. Structural return loss. MIL-DTL-17/60D w/AMENDMENT 1 6 SWR Reflection coefficient Return loss dB 17.3910 .8913 .7943 .7079 .6310 .5623 .5012 .4467
12、.3981 .3548 .3162 .2818 .2512 .2239 .1995 .1778 .1585 .1413 .1259 .1122 .1000 .0891 .0794 .0708 .0631 .0562 .0501 .0447 .0398 .0355 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 8.7242 5.8480 4.4194 3.5698 3.0095 2.6146 2.3229 2.0999 1.9250 1.7849 1.6709 1.5679 1.4985
13、 1.4326 1.3767 1.3290 1.2880 1.2528 1.2222 1.1957 1.1726 1.1524 1.1347 1.1192 1.1055 1.0935 1.0829 1.0736 1.0653 .0316 30 FIGURE 3. Structural return loss - Continued. MIL-DTL-17/60D w/AMENDMENT 1 7 Changes from previous issue. The margins of this specification are marked with vertical lines to indi
14、cate where changes from the previous issue were made. 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 content irresp
15、ective of the marginal notations and relationship to the last previous issue. Referenced documents. In addition to MIL-DTL-17, this document references the following: MIL-PRF-39012 CONCLUDING MATERIAL Custodians: Preparing activity: Army CR DLA - CC Navy EC Air Force 11 (Project 6145-2006-095) DLA -
16、 CC Review activities: Army AR, AT, CR4, MI Navy AS, MC, OS, SH Air Force 19, 99 DLA - IS 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 verify the currency of the information above using the ASSIST Online database at http:/assist.daps.dla.mil.