1、AMSC N/A FSC 5985 MIL-DTL-28837/7B 5 July 2012 SUPERSEDING MIL-DTL-28837/7A 30 October 2001 DETAIL SPECIFICATION SHEET MIXER STAGES, RADIO FREQUENCY, DOUBLE BALANCED, TO-5 CONFIGURATION This specification is approved for use by all Departments and Agencies of the Department of Defense. The requireme
2、nts for acquiring the product described herein shall consist of this specification and MIL-DTL-28837. NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only and are based upon 1.00 inch = 25.4 mm. FIGURE 1. Outline drawing for mixers PIN M28837/7-01N, M28837
3、/7-02N, and M28837/7-02S. INCH-POUND Dimension Ltr Inches mm Min Max Min Max A .315 .345 8.00 8.76 B - .407 - 10.34 C .140 - 3.56 - D .015 DIA .019 DIA 0.38 DIA 0.48 DIA E .335 .370 8.51 9.40 F .190 .210 4.83 5.33 G - .050 - 1.27 H .026 .036 0.66 0.91 Provided by IHSNot for ResaleNo reproduction or
4、networking permitted without license from IHS-,-,-MIL-DTL-28837/7B 2 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only and are based upon 1 inch = 25.4 mm. FIGURE 2. Outline drawing for mixers PIN M28837/7-03N. Dimension Ltr Inches mm Min Max Min Max A
5、.305 .335 7.75 8.51 B - .275 - 6.99 C .140 - 3.56 - D .015 DIA .019 DIA 0.38 DIA 0.48 DIA E .335 .370 8.51 9.40 F .190 .210 4.83 5.33 G - .050 - 1.27 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-DTL-28837/7B 3 REQUIREMENTS: Design and construc
6、tion: Dimensions and configuration: See figures 1 and 2. Electrical characteristics: Operating frequency range: See table I. LO drive power: See table I. Conversion loss (max): See table I. Noise figure (SSB): See table I. Isolation (minimum): See table I. Maximum input power: See table I. Conversio
7、n compression: See table I. Desensitization: See table I. Physical and environmental characteristics: Weight: 2 grams maximum. Temperature: -01N, 03N = Operating: -54C to +100C. Nonoperating: -65C to +100C -02N, 02S = Operating: -65C to +100C. Nonoperating: -65C to +100C Shock: Test condition C. Lif
8、e: -01 = 100,000 hours minimum. Seal: Hermetic. Part or Identifying Number (PIN) Space flight mixers shall be marked with “T”, example M28837/7- 01 T Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-AMSC N/A FSC 5985 TABLE I. Electrical characteristic
9、s. Dash no. Operating frequency range (MHz) LO input drive power in dBm 1/ Maximum conversion loss (SSB) dB MHz Noise figure (SSB) dB MHz Isolation Minimum Frequency LO-RF LO-IF RF-IF dB dB dB MHz 01N 01S RF 10-500 LO 10-5000 IF DC-500 nominal +7 TV +7 7.0 at: fLand fR 10-200 fIDC-200 7.0 at: fLand
10、fR 10-200 fI0.4-200 40 35 30 25 35 30 25 15 25 20 15 10 10-50 50-100 100-200 200-500 8.0 at: fLand fR 200-350 fIDC-350 8.0 at: fLand fR 200-350 fI0.4-350 9.0 at: fLand fR 350-500 fIDC-500 9.0 at: fLand fR 350-500 fI0.4-500 02N 2/ 02S RF 350-500 LO 350-500 IF DC-500 nominal +7 TV +7 9.0 at: fLand fR
11、350-500 fIDC-500 9.0 at: fLand fR 350-500 fI0.4-500 25 15 10 350-500 03N 03S RF 0.4-500 LO 0.4-500 IF DC-500 minimum +4 TV +7 maximum +13 6.5 at: fLand fR 1-200 fIDC-200 6.5 at: fLand fR 2-200 fI2-200 45 30 N/A 0.4-60 7.5 at: fLand fR 0.4-500 fIDC-500 7.5 at: fLand fR 2-500 fI2-500 30 20 N/A 60-500
12、1/ Unless otherwise specified, TV is the test value of the LO power for electrical characteristics. 2/ Use for reacquisition purposes only. 3/ With two in-phase signals applied to the LO and RF ports. MIL-DTL-28837/7B4Provided by IHSNot for ResaleNo reproduction or networking permitted without licen
13、se from IHS-,-,-MIL-DTL-28837/7B 5 Referenced documents. This specification sheet only references MIL-DTL-28837. Marginal notations are not used in this revision to identify changes with respect to the previous issue due to the extent of the changes. Custodians: Preparing activity: Army - CR DLA - C
14、C Navy - EC Air Force - 85 (Project 5895-2012-004) DLA - CC Review activities: Army - AR, MI Navy - AS, CG, MC, OS Air Force - 19, 99 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-,-,-
