ImageVerifierCode 换一换
格式:PDF , 页数:48 ,大小:1.80MB ,
资源ID:982677      下载积分:10000 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
注意:如需开发票,请勿充值!
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【http://www.mydoc123.com/d-982677.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: 微信登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(NAVY MIL-T-28816-1975 TIME-FREQUENCY STANDARD DISCIPLINED AN URQ-23 GENERAL SPECIFICATION FOR《AN URQ-23频率标准一般规范》.pdf)为本站会员(towelfact221)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

NAVY MIL-T-28816-1975 TIME-FREQUENCY STANDARD DISCIPLINED AN URQ-23 GENERAL SPECIFICATION FOR《AN URQ-23频率标准一般规范》.pdf

1、- - - _. MIL-T-2883b bb 9797906 03361106 O W MIL-T-2 b 816 (EC) 4 April 1975 MILITARY SPECIFICATION TIME-FREQUENCY STANDARD, DISCIPLINED, AN/URQ-, GENERAZ, SPECIFICATION FOR This specification is approved for use by all Departmentsand Agencies of the Department of Defense. 1. SCOPE 1.1 This specific

2、ation covers the performance requirements for a disciplined time-frequency (DTF) standard with Time Base and Frequency Control. The standard provides standard time and frequency signals of a.high order of frequency accuracy and is capable of being phase locked to an external frequency signal and syn

3、chro- nized to an external time signal, as well as providing frequency memory capability to retain the frequency accuracy of the standard and remain at its last frequency after a loss of input signal. 1.2 Classification. Standards covered by this specification shall be of the following classes as sp

4、ecified. to be phase locked to some standard input frequency. chronizable 1 pulse per second (PPS) generator. Frequency control refers to the capability Time base refers to a syn- 1.2.1 Class 1. Standard shall operate continuously over MIL-E-16400 class 4 temperature range of OC to +5OoC at ground l

5、evel and up to 10,000 feet altitude (20.6 in Hg). 1.2.2 Class 2. Special shall operate continuously over MIL-E-16400 class 2 temperature range of -28OC to +6SoC at ground level and up to 10,000 feet altitude (20.6 in Hg). 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on

6、date of invitation for bids or request for proposal, form a part of the specification to the extent specified herein. SPECIFICATIONS MILITARY MIL-A- 862 5 MIL-P- 15 O 2 4 MIL-E-15090 MIL-E-16400 MIL-E-17555 .I /. - Anodic Coatings, for Aluminum and . Auminum Alloys - Plates, Tags and Bands for Ident

7、ification of Equipment - Enamel, Equipment, Light-gray (Formula No. 111) - Electronic, Interior Communication and Navigation Equipment, Naval Ship and Shore: General Specification for Accessories, and Repair Parts, Pack- aging and Packing of - Electronic and Electrical Equipment, FSC 6625 z Provided

8、 by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T -21 2 O O . - - Test Equipment for Use with Electronic and Electrical Equipment, General Specification for MIL-C-4 5662 - Calibration System Requirements - Cable Assembly, Electronic Test Equip- ment, (3

9、Wire, 3 Prong, 125 Volt, Molded) Grounding Plug Connector, and Terminal Lugs, 60 Hertz MIL-C-2877712 .STANDARDS MILITARY MIL-STD-105 MIL-STD-108 MIL-STD-454 MIL-STD-461 MIL-STD-462 MIL-STD-471 MIL-STD-781 . MIL-STD-810 MIL-STD-1364 MS-3102 HANDBOOKS MILITARY HDBK-217 MIL-HDBK-4 72 - Sampling Procedu

10、res and Tables for Inspection by Attributes - Definition of and Basic Requirement for Enclosure for Electric and Electronic Equipment - Standard General Requirements for Elec- tronic Equipment - Electromagnetic Interference Character- istics Requirements for Equipment - Electromagnetic Interference

11、Character- istics , Measurement of - Maintainability Demonstration - Reliability Tests: Exponential - Environmental Test Methods . - Standard General Purpose Electronic Test - Connector, Receptacle, Electric, Box Dis tribution Equipment Mounting - Reliability Stress and Failure Rate Data for Electro

12、nic Equipment - Maintainability Prediction (Copies of specifications, standards, drawings, and publications required by suppliers in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting officer.) The following documents form

13、a part of this speci- 2.2 Other publications. fication to the extent specified herein. in effect on,date of invitation for bids or request for proposal shall apply. Unless otherwise indicated, the issue Specification and Measurement of Frequency Stability, John H. Shoaf, NBS Report 9794. 2, I Provid

14、ed by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-28816 (EC) CHARACTERIZATION OF FREQUENCY STABILITY James A. Barnes et al, IEEE Transactions on Instrumentation and Measure- ment, Vol. IM-20, No. 2, May 1971. (Application for copies should be addressed

15、 to the Institute of Electrical and Electronics Engineers, Inc., 345 East 47th Street, New York, New York 10017). Technical society and technical association specifications and standards are generally available for reference from libraries. technical groups and using Federal agencies. They are also

16、distributed among 3. REQUIREMENTS 3.1 First article sample. Prior to beginning production, four samples shall be tested as specified in 4.3 (see 6.2.1). 3.2 General. hereinafter specified. The standard shall be in accordance with MIL-E-16400 except as 3.3 Functional description. The DTF standard is

17、a low noise precision standard with excellent short term stability characteristics and a frequency memory capability. It generates ultrastable standard frequencies of.5 megahertz (MHz), 1 MHz, and 100 kilohertz (Hz) which are capable of being phase-locked to an external 1 or 5 MHz input signal; and

18、a time base of 1 PPS which Precautions that must be followed to preclude adverse affects and Other methods.and 3.18 Workmanship. Workmanship shall be in accordance with Requirements 9 and 32 of MIL-STD-454 and as specified herein. 19 Provided by IHSNot for ResaleNo reproduction or networking permitt

19、ed without license from IHS-,-,-MIL-T-288Lb 66 m 77777Ob 0336425 4 MIL-T-28816 (EC) 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of all inspection requirements as speci

20、fied herein. fied in the contract or purchase order, the supplier may use his own or any other facility suitable for the performance of the inspection requirements spec- ified herein, unless disapproved by the Government. The Government reserves the right to perform any of the where such inspections

21、 are deemed necessary to assure supplies and services con- form to prescribed requirements. Except as otherwise speci- inspections set forth in the specification 4.1.1 Government verification. All quality assurance operations performed by the supplier will be subject to Government verification at an

22、y time. Verifi- cation will include: (a) surveillance of the operations to determine that practices, methods, and procedures of the written quality program are being pro- perly applied, (b) Government product inspection to measure quality of product to be offered for acceptance, and (c) Government p

23、roduct inspection of delivered products to assure compliance with all inspection requirements of this Specifica- tion. Failure of the supplier to promptly correct deficiencies discovered by him or of which he is notified shall be cause for suspension of acceptance-until cor- rective action has been

24、made or until conformance of product to prescribed criteria has been demonstrated. 4.2 Classification of examination and tests. The method of examination and -testing shall be classified as follows: (a) (b) First article inspection (see 4.3) Quality conformance inspection (see 4.4) (1) (2) (3) *Envi

25、ronmental tests (see 4.4.3) (4) Production inspection (see 4.4 .i) Production control inspection (see 4 4.2) Inspection of preparation for delivery (see 4.6) (c) Reliability tests (see 4.4.4) (d) Maintainability demonstration (see 4.4.5) 4.2.1 Test equipment. The equipment specified in Table VI11 sh

26、all be used to conduct the tests specified herein. in accordance with the requirements of MIL-C-45662. Such test equipment shall be calibrated 4.3 First article inspection. Unless otherwise specified (see 6.2.1), four units shall be required or first article inspection. spection shall consist of all

27、 examination and testing necessary to determine compliance with the requirements of this specification, shall include the tests specified in Table IX. First article in- First article inspection 20 .- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MI

28、L-T-2 8 81 6 (E C) pecified type or equivalent required characteristics Table VIII. Test equipment. Acceptable alternate systems I Ctem 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 Functional title .eference Frequency luartz Crystal omputing Counter/ Keyboard ime Interval Plug-in for Item 3

29、 pectrum Analyzer ave Analyzer iigital Recorder for lariable Standard use with Item 3 Auto-Transformer Xltered DC Power Uxer/Trigger ktenuator, 12 dB, ittenuator, 120 dB, Supply Plug-in 1 dB steps, 50 ohms 10 dB steps, 50 ohms Chamber Cnvironmental Test Crror Multiplier licrowave Multiplier 1s cil l

30、o scope Expanded Scale AC Vo 1 tme t er DC Connector Digital Phase Comparator 50 ohm Feedthrough Termination TTL Load Box HP 506lA FEI FE-150A HP 5360A/5375A HP 5379A HP E03-8553B GR 191OA HP 5050B Capable of output in excess of 132 Volts AC, 25 Watts Electro Model EFB HP K10-5061 HP 3556 HP 355D FE

31、I FE-47A FEI FE-6086A Tektronix 454 Simpson 1349 ITT Cannon MS 3106-R10SL-35 (C) FE-40A FEI 10971-2640 FEI FE-6101A or HP110488 I 21 ($ Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-ZBBLL bh I 7779706 OL3b1i27 m ._ - - - MIL-T-28816(EC) c O 3 r, al m rl al d u rl U d (UUT). Inputs: 115 VAC/6O Hz 5 MHz reference signal from standard 30 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-

copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
备案/许可证编号:苏ICP备17064731号-1