ImageVerifierCode 换一换
格式:PDF , 页数:20 ,大小:815.67KB ,
资源ID:982809      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-982809.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-81148 B-1972 TRANSFORMER DISCRIMANATOR (FOR TORPEDO MARK 37 MODS 0 2 AND 3)《37号0 2及3型鱼雷鉴别器变压器》.pdf)为本站会员(吴艺期)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-81148 B-1972 TRANSFORMER DISCRIMANATOR (FOR TORPEDO MARK 37 MODS 0 2 AND 3)《37号0 2及3型鱼雷鉴别器变压器》.pdf

1、Ii - -. - _- I .- I MIL-T-BLLq8B 13 7777706 0358707 b t MILITARY SPECIFICATION TWSFORMER, DISCRIMIMOR (For Torpedo Mark 37 Mods O, 2, and 3) MIL-T-8U48B( OS) 31 August 1972 Superseding MIL-T-81148A( Wep ) 21 October i965 This specification has been approved by the Naval Ordnance Systems Command, Dep

2、artment of the Navy 1. SCOPE 1.1 This specification establishes the requirements for the procure- ment of a Discriminator Transformer, NAVORD Dwg 1.563729, which is used in the enabler assedled unit of an acoustic panel. 2. APPLICABrn DOCUMENTS 2.1 The following documents of the issue in effect on d

3、ate of invita- tion for bids or request for proposal form General Specifica- tion for Capacitors, Fixed, Mica-Dielectric; General Specification for Capacitors, Fixed, Paper-Dielectric, Direct Current (Hermetically Sealed in Metallic Cases) Preservation, Methods of Provided by IHSNot for ResaleNo rep

4、roduction or networking permitted without license from IHS-,-,-MIL-T-BLL48B 13 m 7777906 0358708 8 m t -. MIL-T-81148B(OS) MIL-R-10509 MIL-S-19500 MIL-E-82590 STANDARDS Mi lit ary M IL-STD-105 Resistors, Fixed Film (High Stability), General Specification for Semiconductor Devices, General Specifi- c

5、ations for .Environmental Requirements and Tests (For Torpedo Mk 37 Components and As- semblies ) Sampling Procedures and Tables for Inspection by Attributes MIL-STD-129 Marking for Shipment and Storage MIL- STD-147 MIL-STD-202 DRAWINGS Naval Ordnance Systems Command Palletized and Containerized Uni

6、t Loads, 40“ x 48“ Pallets, Skids, Runners, or Pallet-Type Base. Test Methods for Electronic and Electrical Component Parts NAVORD dwg 1563729 Transformer, Discriminator (Copies of specifications, standards, drawings, and publications required by the contractor in connection with specific procuremen

7、t functions should be obtained from the procuring activity or as directed by the contracting officer. 1 2.2 Other publications. TTie folIowing documents fom a part ofthis- specification to the extent specified herein. the issue in effect on date of invitation for bids or request for proposals shall

8、apply. Unless otherwise indicated, National Bureau of Standards Publications Handbook H28 Screw-Thread Standards for Federal Services (Application for copies should be addressed to the Superintendent of Doc- uments, Government Printing Office, Washington, D.C. 20402,) 2 s- Provided by IHSNot for Res

9、aleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-8ULC8B( OS) United States of America Standards Institute USAS 32.2 1967 Graphic symbols for Electrical and Elec- tronics Diagrams ,- (Application for copies should be addressed to DOD Single Stock Point, U. S. Naval Supply

10、 Depot, Philadelphia, Pennsylvania 19120. ) 3. REQUIRFMENTS 3.1 Description. The discriminator tramformer is a plug-in assdly, composed of various electronic components, in a hermetically sealed metal container. equivalent direct current (c) output voltages. It is used in a circuit which converts fr

11、equency deviations to 3.2 General requirements 3.2.1 Preproduction sample. Unless otherwise specified in the contract or order, preproduction samples of the transformer shall be manufactured using the methods and procedures proposed for the production lot. These units shall be tested as specified in

12、 Section 4 herein and are for the purpose of determining, prior to starting production, that the contractor s production methods are capable of producing transformers that comply with the technical requirements of the contract. See 4.3.1. 3.2.2 Materials. Unless otherwise specified in the contract,

13、requisition, or order, al1 materials and purchased parts entering into the final as- sembly of the transformer shall conform strictly to the detailed require- ments indicated on the applicable drawings, specifications, and publica- tions listed in NAVORD Dwg 1563729: 3.2.3 Surface treatment, constru

14、ction, and dimensions. Surface treat- ment, construction, and dimensions for the transformer shall be in accordance with the applicable drawings, specifications, and publications listed in WVO Dwg 1563729. 3.2.4 Moisture, fungus, and corrosion. The transformer shall be rendered moisture, fungus, and

15、 corrosion resistant in accordance with detail require- ments specified on the rawings and specifications listed in NIVORD Dwg 1563729. 3.2.5 Marking. Marking of asseinblies, subasseniblies, and parts shall be 3.2.6 Threads. in accordance wi-Lh applicable drawings listed in NAVORD Dwg 1563729. Unles

16、s otherwise specified, all threads shall be in ac- cordance with National Bureau of Standards Eandbook 28. fit for threads shall be as specified on the applicable drawings. The class or 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-*XI.B( O

17、S) 3.2.7 Conflicting requirements. In the event of conflict between the documents referenced herein and the contents of this specification, the contents of this specification shall apply. 3.3 Symbols. Interpret schemtic diagram symbols in accordance with USAS Y32.27. 3.4 Performance requirements and

18、 product characteristics. The trans- former shall meet the following performa;nce requirements and product characteristics: 3.4.1 -. Dc - output voltages 3.4.1.1 The frequency necessary to produce zero voltage at output #i (see Figure i) of the transformer hal1 be 7000 plus or minus 50 Hertz (Hz), w

19、hen measured as specified in 4.5.4.2. 3.4.1.2 The frequency necessary to produce zero voltage at 0u.t;pu-t j#2 (see Figure 1) of the transformer shall be within plus or minus 10 z of the frequency measured in 3.4.1.1, when measured as specified in 4.5.4.2. * 3.4.2 Polarity of the output voltages 3.4

20、.2.1 The polarity of the voltage at output #i shall be negative when the frequency is less than the frequency in 3.4.1.1, when measured as specified in 4.5.4.3. 3.4.2.2 The polarity of the voltage at output #l shall be positive when the frequency is greater than the frequency in 3.4rl.1, when measur

21、ed as specified in 4.5.4.3. 3.4.2.3 The polarity of the voltage at output #2 shal be positive when the frequency is less than the frequency in 3.4.1.2, when measured as specified in 4.5.4.3. 3.4.2.4 The polarity of the voltage at output #2 shall be negative when the frequency is greater ehan the fre

22、quency in 3.4.1.2, when measured as specified in 4 . 5 . 4 . 3 . 3.4.3 Sensitivit The sensitivities shall be as follows, when measured as speciiiected to the following tests and examinations. Fail- ure to meet any requirement Specified herein shall be considered cause for rejection. 4.5.1 Test condi

23、tions. Unless otherwise specified, the transformer shall be subjected to quality conformance tests under the following conditions: 4.5.1.1 Temperature. Room ambient 65 degrees F to 95 degrees F (18.3 degrees Centigrade (c) to 35 degrees c). 4.5.l.2 Altitude. Normal grnima. .- 9 Provided by IHSNot fo

24、r ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-UB( OS) 4.5.1.3 Vibration. None. 4.5.1.4 Rumidity. Room ambient to 95 percent relative maximum. 4.5.2 Test and inspection equipment and facilities. The manufacturer shall furnish and maintain all necessary test equipm

25、ent and facilities and shall provide personnel for performing all quality conformance tests. The test equipment shall be adequate in quantity and, when requirements are not specified, shall be of sufficient accuracy and quality to permit performance of the required quality conformance tests. 4.5.3 T

26、est equipment. The followlng items of test equipment are re- quired to perform the quality conformance tests set forth in this spec- if icat ion: 4.5.3 . 1 4.5.3.2 Electronic counter: Hewlett-Packard 52213, or equivalent. 4.5 . 3 . 3 Voltmeter : 4.5.3.4 Vacuum tuOe voltmeter: Hewlett-Packard Model 4

27、10B, or equivalent. 4.5.3.5 insflation and dielectric tester. . 4.5.3.6 Power source: 115 volts, 60 Hz, single phase. 4.5.3.7 Power supply: A power supply capable of supplying electrical power as specified in the following paragraphs. have switches in the output circuits capable of applying or remov

28、lng power from the test circuit without securing the power supply. These switches shall be referred to as the iixEATER POWER“ and “PLATE POWER“ switches. Heater and plate power shall be considered applied when the switches are in the ON position and removed when in the 9EF position. test circuit. Si

29、gnal generator : Hewlett -Packard 2O5AH, or equivalent Ballantine Model 300, or equivalent . “he power supply shall See Figure i. for 4.5.3.7.1 Heater power: The electrical power which is used to operate All values specified shall be measured at the power the 6AU61m filament in the transformer test

30、circuit shall meet the fol- lowing requirements. supply terminals. minus 7.5 volts direct current (vtic). 4.5.3.7.1.1 No-load voltage: With no load, the voltage shall not exceed 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-BLZLIBB 33 7777

31、70b 0358737 7 MIL-T-8L148B( OS) 4.5.3.7.1.2 Current: 4.5.3.7.1.3 Voltage: The heater will require a current of 0.3 ampere. Under a load current of 0.3 ampere, the voltage shall be minus 6.25 plus or minus 0.10 vdc. 4.5.3.7.1.4 . Internal impedance: The impedance which the power source presents to th

32、e filament at a load current of 0.3 ampere shall not exceed 400 ohms at 7 kiloHertz (Hz) 4.5.3.7.1.5 Alternating current voltage components: Under a load cur- rent of 0.3 ampere, the alternating current (ac) voltage components shall not exceed the following: 30 HZ to i50 HZ 6.0 HZ to 8.0 rn 0.09 vol

33、t root mean square (vmns) 20 microvolts rms 4.5.3.7.2 Plate power: The electrical power which is used to supply the 6Au6wB plate voltage in the transformer test circuit shall meet the following requirements. power supply terminals. All values specified shall be measured at the 9- 4.5.3.7.2.1 No load

34、 voltage: With no load, the voltage shall not ex- ceed 165 vc. 4.5.3.7.2.2 Current: The test circuit wi require a current of io milliamperes (ma) . 4.5.3.7.2.3 Voltage: Under a load current of 10 ma, the voltage shall be i50 plus or minus 1 vdc. 4.5.3.7.2.4 Internal impedance: The impedance which th

35、e pow- source presents to the test circuit at a load current of 10 ma shall not exceed 5 ohms at 7 kHz. 4 . 5 . 3 . 7.2 . 5 Alternating current voltage components : current of 10 ma, the ac voltage components shall not exceed the fol- lowing : Under a load 30 HZ to i50 m 0.2 ms 200 microvolts rms 6

36、kz to 8 kz 4.5.3.8 Electron tube: MIL-E-1, JAN 6A6. 4.5.3.9 Resistor: 150 ohms plus or minus 1 percent 1/2 W; MIL-R-10509 designation, RN65D15OOF. 11 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-w I -. MIL-T-81L48B 13 M 7777706 0358728 O M - _.

37、. . MIL-T-81148B( OS) 4.5.3.10 Resistor: designation, RN65D2200F. 4.5.3.11 Resistor: designat ion, RN 51001. 4.5.3.E Resistor: 10509 designation, RN65D1003F. 220 ohms plus or minus 1 percent, 1/2 W; MIL-R-10509 1000 ohms plus or minus 1 percent 1/2 W; MIL-R-10509 100,000 ohms plus or minus 1 percent

38、, 1/2 W; MIL-R- 4.5,3.13 Resistor: 4.5.3.14 200,000 ohms plus or minus 1 percent 1/2 W; MIL-R- 10509 designation, RN65u2003F. 10509 designation, RN65E403F (6 required) . i0509 de signat ion, RN 5D4703F. R-10509 designation, 657503 (4 required) . Resistor: 240,000 ohms plus or minus 1 percent, 1/2 W;

39、 MIL-R- 4.5.3.15 Resistor: 4.5.3.i6 Resistor: 470,000 ohms plus or minus 1 percent, 1/2 W; MIL-R- 750,000 ohms plus or minus 0.1 percent, 1/2 W; MIL- 4.5.3.17 Resistor: 2.33 meg plus or minus 1 percent, 500 V; -R-i0509 designation, RN70DF2334F (two required) 4.5.3.18 Resistor: R-10509 designation, 6

40、57503. 4.5.3.19 Capacitor: tion, CPOgAlKC224K. 4.5.3.20 Capacitor: CPOgAlKC471G (4 required) . 4.5.3.21 Capacitor: CM20B272G (8 required) . 4.5.3.22 Capacitor: 4.5.3.23 Semiconductor device: MIL-S-19500 JAN iN458. 4.5.3.24 Semiconductor device: 750,000 ohms plus or minus 0.1 percent, 1/2 W; MIL- 0.2

41、2 uf nlus or minus 10 percent; MIL-C-25 designa- 470 uuf plus or minus 2 percent; MIL-C-25 designation, 2700 uuf plus or minus 2 percent, MIL-C-5 designation, 1000 uuf plus or minus 10 percent, 500 V, MIL-C-25 designation, CP09AlKC102K. A matched set of four l%L257 diodes, with a forward current flo

42、w of 1 milliampere; the voltage drop across the dides shall be within 1.0 millivolt of each other. 4.5.4 Test procedure. The following tests constitute the quality con- formance tests for the transformer. 12 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IH

43、S-,-,-4 - -HIL-T-JB 13 = 7777706 0358737 2 MfL-T-8=48( OS) 4.5.4.1 Connect the follwing test equipment to the power source (4.5.3.6): (a) Signal generator (4.5.3.1) (b) Electronic counter (4.5.3.2) (c) Vacuum tube voltmeter (45.3.4) (a) Voltmeter (4.5.3.3) (e) insulation tester (4.5.3.5) (f) Power s

44、upply (4.5.3.7) to warm up long enough to stabilize. 4.5.4.1.1 4.5.4.2 To measure the dc output voltage as set forth in 3.4.1: 4.5.4.2.1 Set the power switches to “ON“ and allow the test equipment Connect the transformer as shown in Figure 1. /- 4.5.4.2.2 Adjust the signal generator (4.5.3.1) for i5

45、 vrms output at a 4.5.4.2.3 Set the power supply (4.5.3.7) to plus 150 plus or minus 1 vdc 4.5.4.2.4 Set the dc voltmeter (4.5.3.3) to a convenien voltage range 4.5.4.2.5 Adjust the frequency until the voltage is zero volts and 4.5.4.2.6 The frequency shall be within the limits specified in 3.4.1.1.

46、 4.5.4.2.7 Connect the dc voltmeter to ou-bput #2 and repeat the procedures frequency of 7000 plus or minus 50 Hz. and observe the dc voltage at output #i. record this frequency. as set forth in 4.5.4.2. 4.5.4.2.8 The frequency shall be within %he limits specified in 3.4.1.2. 4.5.4.3 To determine th

47、e polmities of the output voltages as set forth in 3.4.2 4.5.4.3.1 Connect the dc voltmeter between output #i of the transformer and ground. 4.5.4.3.2 Vary the frequency of the signal generator from 6000 to 8000 Ez ana observe the polarity of the output voltage. _L_7 _ - _ ._- - ._ Provided by IHSNo

48、t for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-LL4B 13 7777706 0358720 7 W M 1L-T-81148( OS) 4.5.4.3.3 The polarity shall be as specified in 3.4.2.1 and 3.4.2.2. 4.5.4.3.4 Repeat the above procedure at output #2. 4.5.4.3.5 4.5.4.4 To measure the sensitivities

49、as set forth in 3.4.3: 4.5.4.4.1 The polarity shal be as specified in 3.4.2.3 and 3.4.2.4. Connect the transformer as shown in Figure 1. 4.5.4.4.2 Adjust the signal generator to provide 1-5 vrms at approximately 7000 fiz. 4.5.4.4.3 Connect the dc voltmeter to output #2 of the transformer. 4.5.4.4.4 Vary the oscillator frequency 1000 Hz above and b

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