1、MIL-A-BL307 59 U 9999906 0076943 b -3-+4-!+ - MIL-A-81307 (h) 20 August 1965- MILITARY SPECIFICATION AMPLIFIERS, SERVOMOTOR GENERAL SPECIFICATION This specification has been approved by the Bureau of Naval Weapons, Department of the Navy. 1. SCOPE 1.1 Scope - This specification covers the general re
2、quirements or transistorized, power amplifiers for driving servomotor control windings either directly or through matching transformers. 1.2 Classification - 1.2.1 me - A Type 1 - Repairable Type 2 - Non-Repairable 1.2.2 Class - Amplifiers covered by this specification shall be classed in accordance
3、 with MIL-E-5400, 2. APPLICABLE DOCUMENTS 2.1 The following documents of the issue in effect on date of invita- tion for bids or request for proposai form a part of this specification to the ex- tent specified herein. SPECIFICATIONS Military MIL-C-3965 Capacitor a, Fixed, Electrolytic, Tantalum I. 9
4、 THIS DOCUMENT CONTAINS a, PAGES. FSC-J Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-f MIL-A-1307 57 m 79777Ob 0076942 m MIL-A-81307 (WP) ,SPECIFICATIONS Militaky ( Continued) -mL-E -5400 Electronic Equipment, Aircraft, General Specification for M
5、IL-P-7 936 Parts and Equipment Procedures for Packaging of MIL-1-16910 interference Measurement, Radio, Methods and Limits, 14 Kilocycles to 1000 Megacycles Specification for MIL-S-19500 Semiconductor Devices, General MIL-B-22205 Bags Transparent, Flexible? Heat MIL-R-2297 3 Reliability Index Determ
6、ination Sealable for Packaging Applications for Avionic Equipment Models, General Specification for Reliability Assurance for Production Acceptance of Avionic Equipment General Specification for MIL-R-2 30 94 STANDARDS Military MIL-STD-202 MIL-STD-756 Reliability of Weapons Systems, Test Methods for
7、 Electronic and Electrical Component Parts Procedures for Prediction and Reporting Prediction of (When requesting any of the applicable documents, refer to both title and number. Copies of this specification and other unclassified specifications and drawings required by contractors in connection wit
8、h specific. procurement functions should be obtained upon application to the Commanding Officer,Naval Supply Depot (Coe 1051), 5801 Tabor Avenue,Philadelphia,Pennsylvania 19120. All other documents should be obtained from the procuring activity or as directed . by the contracting officer.) Provided
9、by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-BI1307 59 999990b 0076943 T W - MIL-A-81307 (W) 3. REQUIREMENTS 3.1 * Preproduction - The amplifiers furnished under this specif - ication shall be a product, samples of which have been tested and have pas
10、sed th preproduction tests specified herein. 3.2 Quality conformance - Each amplifier furnished under this specification shall.have demonstrated that it fulfills all of the requirements of this specification by satisfactorily performing of the Individual tests spec - ified herein, and being one of a
11、 lot from which representative units have passed the specified Sampling tests. 3.3 Specification sheets - The individual part requirements shall be as specified herein and in accordance with the applicable specification sheet. in the event of conflict between this specification and the specification
12、 sheet, the latter shall govern. a .4 Design and construction - 3.4.1 Compliance with Specification MIL-E-5400 - Amplifiers fur - nished under this specification shall comply with all requirements of MIL-E- 5400 with the following exceptions: Requirements in conflict with the applicable speci - fioa
13、tion sheets. Requirements in conflict with this specification, Requirements which are not applicable, such as those pertaining to materials, parts, or processes not used in the construction of the amplifier. 3.4.2 Adjustments - Unless otherwise specified in the applicable specification shGets, no ad
14、justment for gain or phase shift shall be provided. 3.4.3 Capacitors - Capacitors used throughout the amplifier shall conform to MILLC-3965. 3.4.4 Semiconductors - Semiconductors used throughout the am - plifier shall be ilicon, conforming to MIL-S-19500. 3.4.5 Non-magnetic materials - Non-magnetic
15、materials shall be used for all parts of the amplifier except where magnetic properties are essentiai. a Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-81307 (WP) , 3.4.6 Magnesium - Magnesium or magnesium alloys in any form shall not be wed.
16、, 3.4.7 Physical characteristics - The physical characteristics of the amplifier shall be in accordance with the applicable specification sheets. 3.4.8 Electrical characteristics - 3.4.8.1 Quiescent current - The input current drawn by the amplifier when measured in accordance with 4.3.4 shall not e
17、xceed the value specified in the applicable specification sheet. 3.4.8.2 utput noise - The output noise level of the amplifier shall be no greater than the maximum Bpecified in the applicable specification sheet when the amplifier is teated in accordance with 4.3.5. 3.4.8.3 Stablity - The amplifier
18、shall operate with no extraneous sig- nai in the output when tested in accordance with 4.3.6. 3.4.8.4 Power supply impedance effect - The amplifier shall operate with M) extranmus signai in the output when tested in accordance with 4.3.7. ir 3.4.8.5 High signai voltage input c The de current drawn b
19、y the amplifier and the output voltage shail be as specified in the applicable specification sheet when the amplifier is tested in accordance with 4.3.8. 3.4.8.6 Saturation voltage - The output voltage and dc supply current shall be as specified in the applicable specification sheet when the amplifi
20、er is tested in accordance with 4.3.9. 3.4.8.7 Short circuit current - The dc current drawn by the amplifier shall not exceed the value specified in the applicable specification sheet when the amplifier is tested in accordance with 4.3.10. 3.4.8.8 Power supply overvoltane - The signai voltage gain s
21、hall remain within the limits specified in the applicable specification sheet when the amplifier is tested in accordancs with 4.3.11. . 3.4.8.9 Signal riipu t voltage gain - The voltage gain of the amplifier shaU be as speoified in the applicable specification sheet when the amplifier is tested in a
22、ccordance with 4.3.12. 1 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-81307 57 7777906 007b7q5 3 W F MIL-A-81307 (W) 3.4.8.10 Tachometer input voltage gain - Amplifiers having tachometer input terminals shall be tested in accordance with 4.3
23、.13. The voltage gain shall be aa specfied in the applicable specification sheet. 3.4.8.11 Phase shift - The phase shift through the amplifier shall be within the limits specified in the applicable specification sheet when measured according to 4.3.14. 3.4.8.12 S Type 2 amplifiers shall be inspected
24、 without disassembly. There shall be no evidence of corrosion which could in any manner prevent the amplifier from meeting the requirements of this specification. 3.4.9.6 Acceleration - The amplifier shall provide the output . specified in the applicable specification sheet when tested in accordance
25、 with 4.3.28. 3.4.9.7 Radio interference - The amplifier shall be so constructed that radiated and conducted radio noise will not interfere with the effective use of communication or navigation equipment when tested in accordance with 4.3.29. 3.4.9.8 Reliability - The amplifier reliability shall be
26、planned, designed, and reported in accordance with MIL-STD-756. The reliability goal, expressed in mean-time-between-failure (MTBF), shall be as specified in the applicable specification sheets. The confidence level shall be 90 percent. To determine the MTBF actually attained, the amplifier shall be
27、 tested in accordance with 4.4.30. The quantity of amplifiers to be tested shall be as specified in the conttact. For preproduction testing the test duration and the maximum number of failures shall be as specified in the contract (see 6.2). Quality Conformance inspection for production lots shall b
28、e according to .MIL-R-23094. The test level and accept-reject criteria shall be as specified in the applicable specification sheet. y 3.4.10 Identification - The following information shall be legibly and permanently marked on the amplifier case or on a nameplate securely attached thereto: Provided
29、by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-L307 57 9797906 00769L17 7 MIL-A-81307 (W) U. S. Navy - BuWeps Amplifier - Servomotor (Type Designation) (Specification Sheet No.) Part No. (Govt) Manufacturers Part No. Contract or Order No. Manufacturers
30、 Name or Traddmark 3.4.11 Workmanship - Workmanship shall be of the level assiociated with high grade avionics equipment. 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
31、of aU inspection requirements as specifled herein. Except as otherwise specified, the supplier may utilize his own or any other inspection facilities and services accept- able to the Government. Inspection records of the examination and tests shall be kept complete and available to the Government a8
32、 specified in the contract or order. The Government reserves the right to perform any of the inspections set forth in the specification where such inspections aide deemed necessary to assure supplies and services conform to prescribed requirements. ,- 4.2 Classification of tests - The kpection and t
33、esting of amplifiers (a) Preproduction tests. ) Quality conformance inspection. shall be classified as follows: 4.2.1 Preproduction tests - The preproduction tests of the amplifier shall consist of the tests listed InTable I. 4.2.1.1 Preproduction test sample - The number of units in the pre- produc
34、tion test sample shail be as specified in the contract or purchase order. The sample shall coneist of amplifiers manufactured and packaged in accordance with this specification. The units submitted for preproduction testing shall not have been pitsviously tested except for the Individuai tests. The
35、sample shall be forwarded to the hdting laboratory designated by the procuring activity (see 6.2). .i - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-81307 57 U 7777906 0076748 7 U MIL-A-81307 (WF) TABLE I Preproduction Tests (Perform testa i
36、n the order listed) Rough handling Visual inspection Weight Quiescent current Output noise Stability Power supply impedance effects High signal voltage -ut Saturation voltage Short circuit current Power supply overvoltage Signal. input voltage gain Tachometer input voltage gain Phase shift Signal in
37、put impedance Tachometer input impedance Output impedance Harmonic rejection Warmuptime . Temperature and altitude Vwation Shook Moisture resistance Salt spray Acceleration Radio interference Reliability * Amplifier bandwidth (4.3.1) (4.3.2) (4.3.3) (4.3.4) f4.3.3) (4.3.6) (4.3.7) (4.3.8) (4.3 * 9)
38、(4.3.10) (4.3.11) (4.3.12) (4.3.13) (4.3.14) (4.3.15) (4.3.16) (4.3.17) (4.3.18) (4.3.19) (4.3.20) (4.3.21) (4.3.22) (4.3.23) (4.3 . 24) (4.3.25) (4.3.26) (4.3 27) (4.3.28) 8 ., - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-1307 57 W 777790
39、6 0076947 O M I - MIL-A-$1307(WP) 4.2.1.2 Preproduction test sample identification - The test sample units shall be plainly identified by durable tags, securely attached, and marked with the information listed below: Sampl? for Preproduction Testing Amplifier, Servomotor (Type as designated in speci
40、ficationsheet) Submitted by (Manufacturers name, date) for Preproduction Testing in accordance with MIL-A-81307 (WP) under contract or order number (Contract or Order No.) Manufacturer s Part Number 4.2.2 Quality conformance inspection - The quality conformance in- spection of the amplifiers shall c
41、onsist of Individual tests and Sampling tests. 4.2.2.1 Individual tests - Each amplifier shall be subjected to the tests listed in Table II. TABLE II Individual Tests (Perform test5 in the order listed) Visual inspection Quiescent current Stability High signal voltage input Saturation voltage Signal
42、 input voltage gain Tachometer input voltage gain Signal input impedance Output impedance (4.3.2) (4.3.6) (4.3.8) (4.3.12) (4.3.13) (4.3 . 15) (4.3.17) (4.3.4) (4.3.9) 4.2.2.2 Sampling tests - Samples of the product which have passed the Individuu tests shall be selected at random in accordance with
43、 the following schedule and subjected to the test5 listed in Table m. 9 I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-A-1307 57 m 777770b 0076750 7 MIL-A-81307 (W) Sampllng Schedule Quantity of Amplifiers Offered for Acceptance Number of Samp
44、le Units First 15 1 Next 25 1 Next I 50 1 Next 100 1 fraction therebf 1 Each additional 200 or Failure of any sample shall be cause for the rejection of the quantity offered for acceptance. TABLE III Sampling Tests (Perform tests in the order listed) * rli Weight Short circuit current Tachometer inp
45、ut voltage gain Phase shift Tachometer input impedance Harmonic rejection Amplifier bandwidth Temperature and altitude Vibration Shock MoistuTe resistance Salt spray Wikbility .Destructive test see 6.2 -_ - 10 (4.3.3) (4.3.1 O) (4.3 . 13) (4.3.14) (4.3 . 16) (4.3.18) (4.3 . 19) (4.3.21) (4 . 3 . 2 2
46、) (4.3.23) (4.3.24) (4.3.26) (4.3.28) I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I* MIL-A-1307 57 7779706 0076753 7 W / MIL-A-81307 (W) 4.2.3 applicable specification sheet, all tests required shall be performed under the foliowing conditions:
47、 Test conditions - Unless otherwise specified herein or in the Temperature - Room ambient Atmospheric Pressure - Room ambient Humidity - Room ambient Notes : circuit, the effect of the load on the measured parameters shall be taken into consideration. For example: In some amplifiers, the output tran
48、sistors are supplied with dc through the load. in this case the “output impedance testff would peasure the amplifier output impedance in parallel with the load imped- ance, and the amplifier output impedance would be calculated from the com- bination. 1. Whenever the amplifier load is used as a comp
49、onent of the amplifier 4.3 Test methods - 2- 4.3.1 Rough handling - Amplifiers submitted for sampling tests, shall be packaged and packed in a manner typical of the amplifiers to be delivered under contract or order. Rough handling tests of packaging and packing shall be performed on the unopened package6 in accordance with MIL-P-7936. 4.3.2 Visual inspection - The
