1、 INCH-POUND MIL-PRF-3098/73E 21 April 2009 SUPERSEDING MIL-PRF-3098/73D 17 May 2004 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR98/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described h
2、erein shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 50 MHz to 134 MHz; fifth mechanical overtone; noncontrolled; series resonance. Inches mm Inches mm Inches mm Inches mm .002 .003 .008 .010 .05 .08 .20 .25 .015 .025 .030 .040 .38 .64 .76 1.02 .150 .175 .183
3、.192 3.81 4.45 4.65 4.88 .238 .402 .435 .530 6.05 10.21 11.05 13.46 NOTES: 1. Dimensions are in inches. 2. Metric equivalents are given for general information only. 3. Marking to be in accordance with MIL-PRF-3098. FIGURE 1. Crystal unit - CR98/U. AMSC N/A FSC 5955 Provided by IHSNot for ResaleNo r
4、eproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/73E 2REQUIREMENTS Dimensions, marking, and configuration: See figure 1. Frequency range: 50 MHz to 134 MHz, inclusive. Capacitance, shunt: 7 pF, maximum. Mode of oscillation: Fifth mechanical overtone. Rated drive level: 1
5、.0 mW, maximum. Calibration values: Resistance: 60 ohms. Voltage drop: 0.35 volt. Resonance: Series. Operating temperature range (noncontrolled): -30C to +71C, inclusive. Frequency tolerance: 15 parts per million (ppm). Equivalent resistance: 50 MHz to 90 MHz: 50 ohms, maximum. 90+ MHz to 134 MHz: 6
6、0 ohms, maximum. Shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Vibration: Method 204 of MIL-STD-202, test condition A. Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Temperature cycling: Frequency change permitte
7、d: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm. Referenced documents. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS
8、-,-,-MIL-PRF-3098/73E 3The margins of this specification sheet are marked with vertical lines to indicate 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 contr
9、actors are cautioned to evaluate the requirements of this document based on the entire content irrespective of the marginal notations and relationship to the last previous issue. Custodians: Preparing activity: Army - CR DLA - CC Navy - EC Air Force - 99 (Project 5955-2009-006) DLA - CC Review activ
10、ities: Air Force - 19, 84 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. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
