1、AMSC N/A 1 of 3 FSC 5985 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. MIL-DTL-23971/4A 23 April 2002 SUPERSEDING MIL-P-23971/4 2 December 1977 DETAIL SPECIFICATION SHEET POWER DIVIDER, 3 PORT QUADRATURE, SOLDER TERMINALS This specification is approved for use by
2、all Depart- ments and Agencies of the Department of Defense. The requirements for acquiring the power divider described herein shall consist of this specification sheet and MIL-DTL-23971. FIGURE 1. Dimensions and configuration. INCH-POUND Provided by IHSNot for ResaleNo reproduction or networking pe
3、rmitted without license from IHS-,-,-MIL-DTL-23971/4A 2 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Unless otherwise specified, tolerances are .010 (.25 mm) for three place decimals and .02 (.5 mm) for two place decimals. FIGURE 1. Dimensions
4、and configuration - Continued. Dimensions Inches Millimeters Max Min Max Min A .345 N/A 8.76 N/A B .32 .28 8.1 7.1 C .110 .090 2.79 2.29 D .27 .23 6.9 5.8 E .205 .165 5.21 4.19 F .085 .045 2.16 1.14 G .42 .38 10.7 9.7 H .140 .120 3.56 3.05 J .110 N/A 2.79 N/A K .140 N/A 3.56 N/A L 4.22 4.18 107 106
5、M 4.40 4.36 112 111 N 3.535 3.515 89.79 89.28 P 1.885 1.845 47.88 46.86 Q .080 .060 2.03 1.52 R .160 .140 4.06 3.56 S 3.835 3.815 97.41 96.90 T .105 dia .093 dia 2.67 dia 2.36 dia U .110 .090 2.79 2.29 V 4.50 4.46 114 113 W .067 .057 1.70 1.45 Provided by IHSNot for ResaleNo reproduction or networki
6、ng permitted without license from IHS-,-,-MIL-DTL-23971/4A 3 REQUIREMENTS: Design and construction: See figure 1. Terminals: Solder leads. Material: Copper or Iron-nickel alloy in accordance with SAE-AMS-I-23011, “Iron-Nickel Alloys for Sealing to Glasses and Ceramics”, (KOVAR). Nickel is to be used
7、 only if specification cannot be met using alternate material means. Finish: Tin plated per ASTM-B545, “Standard Specification for Electrodeposited Coatings of Tin”, type 1, 0.0005 inch thick minimum, dull finish or gold-plated in accordance with SAE-AMS-2422 “Plating, Gold, Electronic and Electrica
8、l Applications” and/or ASTM-B488 “Gold for Engineering Uses, Electrodeposited Coatings of”. Ambient temperature: Operating -54 to +110C. Storage -62 to +125C. Electrical performance characteristics: Impedance: 50 ohms. Frequency range: 225 to 400 GHz. Coupling. 3 dB +.2, -0. VSWR: 1.2:1 maximum. Ins
9、ertion loss: 0.25 dB maximum. Isolation: 20 dB minimum. Phase balance: 90 1.5. Amplitude balance. 0.4 dB. Power level: 100 W average, 200 W peak. Part number: M23971/4-01. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 11 (Project 5985-1227-04) DLA - CC Review activities: Navy - AS, MC, OS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
