1、 AMSC N/A 1 of 3 FSC 5985 DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. MIL-DTL-23971/12A 23 April 2002 SUPERSEDING MIL-P-23971/12 22 February 1980 DETAIL SPECIFICATION SHEET POWER DIVIDER/COMBINERS, QUADRATURE STRIPLINE This specification is approved for use by a
2、ll 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. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. FIGURE 1. Dimen
3、sions and config. dash nos. 01 and 02. INCH-POUND Dimensions Inches Millimeters Max Min Max Min A B C D E F G H See Table I J .065 .045 1.65 1.14 K N/A .15 N/A 3.8 L .06 .04 1.5 1.1 M .105 dia .093 dia 2.67 dia 2.36 dia N .14 N/A 3.56 N/A P .11 N/A 2.79 N/A Provided by IHSNot for ResaleNo reproducti
4、on or networking permitted without license from IHS-,-,-TABLE I. Dimensions. M23971 /12- A B C D E F G H 01 1.83 .02 2.02 .02 .18 .02 1.460 .015 .37 .02 1.060 .010 1.750 .015 .22 max 02 1.00 .01 .87 .01 .17 .01 .66 .01 .343 .010 .313 .010 .625 .010 N/A TABLE II. Electrical performance characteristic
5、s and physical requirements. Power level Ambient temperature M23971 /12- Imped-ance (ohms) Frequency range (GHz) Average coupling (dB) VSWR max Insertion loss max (dB) Isolation min (dB) Phase balance max (degree) Amplitude balance (dB) avg (W) pk (W) Weight pounds (grams) Operating Storage Figure 0
6、1 50 .1-.16 3. +.2, -.0 1.2:1 0.3 25 2.0 0.6 200 1K .038 (18) -55 to +71C -55 to +65C 1 02 50 .5-1.0 3. +.2 -.0 1.2:1 0.25 20 1.5 0.5 200 1K .054 (25) -20 to +75C -55 to +85C 1 MIL-DTL-23971/12A2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DT
7、L-23971/12A 3 REQUIREMENTS: Design and construction: See figure 1. Housing: Hermetically sealed. Material: Dash numbers 01 and 02: 6061-T6 aluminum. Finish: Dash number 01: Clean iridite finish per MIL-C-5541, type 1, grade C class III. Dash number 02: Gold plated per SAE-AMS-2422, .000050 to .00010
8、0 inch thick over 2-ounce copper clad microstrip. Terminals: Material: Dash number 01: Nickel alloy. Dash number 02: Silphos (15% silver, 80% copper, 5% phosphorus). Finish: Dash number 01: Tin plated. Dash number 02: Nickel clad, .004 inch thick nickel plus .001 thick silphos. Solder dipped with Sn
9、60 or Sn63 per American National Standards J-STD-004, J-STD-005 and J-STD-006. Nickel is to be used only if specification cannot be met using alternate material means. Electrical characteristics: See table II. Weight: See table II. Ambient temperature: See table II. Environmental tests: In accordanc
10、e with MIL-DTl-23971 except: Dash number 02: Vibration, high frequency: In accordance with method 204 of MIL-STD-202, test condition B. Part number: M23971/12-(dash number from table II). Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 11 (Project 5985-1227-16) DLA - CC Review activities: Navy - AS, MC, OS Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
