1、 INCH-POUND MIL-DTL-22931/17A 19 June 2013 SUPERSEDING MIL-C-22931/17(USAF) 21 January 1969 DETAIL SPECIFICATION SHEET CABLES, RADIO FREQUENCY, SEMIRIGID, COAXIAL, SEMI-AIR-DIELECTRIC, .495 INCH OUTSIDE DIAMETER, 50 OHMS This specification is approved for use by all Departments and Agencies of the D
2、epartment of Defense. The requirements for acquiring the product described herein shall consist of this specification sheet and MIL-DTL-22931. Power rating based upon a 40C ambient with a 45C rise in center conductor temperature. FIGURE 1. Attenuation and power rating curves for -001 and -002. AMSC
3、N/A FSC 6145 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-22931/17A 2 Power rating based upon a 40C ambient with a 45C rise in center conductor temperature. FIGURE 2. Attenuation and power rating curves for -003 and -004. Provided by IHSNo
4、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-22931/17A 3 REQUIREMENTS: Operating temperature range: -55 to + 200C. Inner conductor: See table II. Dielectric: Cable core and insulating layer: See table II. Outer conductor: Aluminum tubing, corrugated, seaml
5、ess. Diameter: See table II. Jacket: See table II. Voltage withstand: 2,000 volts rms (minimum at 60 Hz, or 3,500 volts dc) Attenuation: See table II. Velocity: See table II. Capacitance: 25.0 pf/ft. Impedance: 50 2 ohms. TABLE I. Voltage standing wave ratio. Frequency range (MHz) Initial (max) Afte
6、r bending and temperature cycling (max) 500 2,000 2,000 5,000 5,000 10,000 1.15 1.20 1.20 1.18 1.25 1.25 Mandrel size for temperature cycling, bending, and cold bend tests: 7.5 inches (190.5 mm). See table I. Minimum bending radius: 2.5 inches (63.5 mm). See table I. Provided by IHSNot for ResaleNo
7、reproduction or networking permitted without license from IHS-,-,-MIL-DTL-22931/17A 4 TABLE II. Characteristics. 1/ Requirement 2/ PIN M22931/17-001 Inner conductor Overall diameter 0.002 (0.05) Dielectrics Cable Core Outer conductor diameter Inside (nominal) Outside Attenuation (dB/100 ft max) 30 M
8、Hz 400 MHz 3,000 MHz Velocity (percent) Silver plated Copper wire 0.153 (3.89) Polytetra- fluorethylene 0.421 (10.69) 0.495 (12.57) 0.48 2.10 6.90 85.0 1/ Dimensions are in inches. Metric equivalents are given for information only. 2/ The following requirements of MIL-DTL-22931, identified by simila
9、rity of paragraph headings, are not applicable to this slash sheet: insulation resistance, pressure tightness, and marking. Cross reference information: See table III. TABLE III. Cross reference information. PIN RG cable number M22931/17-001 RG-385/U Attenuation and power rating: See figures 1 and 2
10、. Changes from previous issue. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Referenced documents. This document references MIL-DTL-22931. CONCLUDING MATERIAL Custodians: Preparing activity: Army CR DLA-CC Na
11、vy - EC Air Force - 85 DLA -CC (Project 6145-2013-005) Review activities: Army AT, CR4, MI Navy AS, MC, OS Air Force 19 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 https:/assist.dla.mil. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
