1、 MIL-PRF-3098/38H 13 April 2010 SUPERSEDING MIL-PRF-3098/38G 19 December 2003 PERFORMANCE SPECIFICATION SHEET CRYSTAL UNIT, QUARTZ, CR60/U This specification is approved for use by all Departments and Agencies of the Department of Defense. The requirements for acquiring the product described herein
2、shall consist of this specification sheet and MIL-PRF-3098. Pertinent characteristics: 5 MHz to 20 MHz; fundamental; noncontrolled; series resonance. FIGURE 1. Crystal unit - CR60/U. AMSC N/A FSC 5955 INCH POUND Copyright Communications - Electronics Command Provided by IHS under license with CRAINo
3、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/38H 2 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 - CR60/U - Continued. Ltr Inc
4、hes mm Min Max Min Max A - .183 - 4.65 B - .435 - 11.05 C - .402 - 10.21 D - .530 - 13.46 E .500 - 12.70 - F .016 .019 0.41 0.48 G - .150 - 3.81 H .184 .200 4.67 5.08 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking per
5、mitted without license from IHS-,-,-MIL-PRF-3098/38H 3 REQUIREMENTS: Dimensions, marking, and configuration: See figure 1. Frequency range: 5 MHz to 20 MHz, inclusive. Capacitance, shunt: 7 pF, maximum. Frequency tolerance (operating temperature range): 50 parts per million (ppm). Equivalent resista
6、nce: See table I. Mode of oscillation: Fundamental. Rated drive level: 1.0 mW, maximum. Resonance: Series. Operating temperature range (noncontrolled): -55C to +105C, inclusive. Shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Vibration: Method 204 of MIL
7、-STD-202, test condition A. Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Thermal shock: Frequency change permitted: 5 ppm. Equivalent resistance change permitted: 10 percent. Aging: Frequency change permitted: 5 ppm. Copyright Communications - Electronics Co
8、mmand Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-3098/38H 4 TABLE I. Equivalent resistance. Part or Identifying Number (PIN): CR60/U (followed by specified frequency), see 1.2 of MIL-PRF-3098. Referenced documents
9、. In addition to MIL-PRF-3098, this document references the following: MIL-STD-202. The margins of this specification 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
10、 any inaccuracies in these notations. Bidders and contractors 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 Army - CR Navy - EC Air
11、force - 85 Agent: DLA - CC DLA - CC Review activities: (Project 5955-2009-050) Army - AR, MI Navy - AS, CG, MC, OS, SH Air Force - 19, 99, 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 s
12、hould verify the currency of the information above using the ASSIST Online database at https:/assist.daps.dla.mil. Frequency range, inclusive Maximum resistance MHz 5 to 7 7+ to 10 10+ to 15 15+ to 20 Ohms 50 30 25 20 Copyright Communications - Electronics Command Provided by IHS under license with CRAINot for ResaleNo reproduction or networking permitted without license from IHS-,-,-
