1、MIL-C-50736 12 777770b 043L77b 4 E 8 August 1973 MILITARY SPECIFICATION CIRCUIT ASSEMBLY: 11 737350 (READOUT) This specification is approved for use by all Departments and Agencies of the Department of Defense, 1. SCOPE 1. 1 This specification covers one type of electronic assembly known as Circuit
2、Assembly: 11737350 (Readout) (see 6. 1). 2. APPLICABLE DOCUMENTS 2. 1 The following documents, of the issue in effect on date of invitation for bids or request for proposal, form a part of this specificatioz to the extent specified herein. SPEC FICA TIONS Military MIL- F- 13926 MIL-1-45607 MIL-S -45
3、 74 3 Fire Control Materiel: General Specification Governing the Manu- facture and Inspection of Inspection Equipment; Acquisition, Maintenance, and Disposition of Soldering, Manual typet High 13 t. liability Elect rical, Electronic, Instrument, Communication, and Radar for Aerospace and Control Sys
4、tems, Procedure for FSC- 121? Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- _ MIL-C-50736 32 M 9999906 0433977 6 M b - MIL-C-50736(MU) 11i9 8 Augast 1973 MIL-Sy46844 Solder Bath Soldering of Prlrited Wiring A ssembties, -4utorAtic Machine Type STA
5、NDARDS Military MIL-STD-105 MIL-STD- 109 MIL-STD-810 DRAWINGS Sampling Procedures and Tables far Inspection by Attributes Quality Assurance Terms ad Definitions Environmental Test hiethoes b U. S. Army, Frankford Arsenal F11737350 Circuit Assembly: 11737350 (Readout) PACKAGING DATA SHEET c 11 737350
6、 Packaging of Circuit Asserr-Sly: 11737350 (Readout) AsserrSly: (Copies of specifications, standards, drawings, and packaging data sheets required by suppliers in connection with specific procurerr,ent fucctions should be obtained from the procuring activity or as directed by fke contracting officer
7、. )- 2 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-c MIL-C-50736 12 = 7777706 OLT31778 8 Characteristics P Tolerance: f0.2 Vdc Ripple: 25 mV p-p Tolerance: f0.2 Vdc Ripple: 25 mV p-p - - Logical one: t4. O fl. OV Source impedance: 6KQ f15 percent
8、 Logical zero: to. 2 *O. 2v Item 1. 1.1 1.2 2. 2.1 - - Connections Connected between the following pins JI-l(t) and JI-3(-) JI -2(t) and J1-3(-) Applied as specified in table II herein. MIL-C - 50736( MU) 8 August 1973 3, O REQUIREMENTS 3. I Fabrication. The circuit assembly, herein referred to as t
9、he assembly, shall be manufactured in accordance with Drawing FI 1737350 and drawings pertaining thereto. 3.2 General specification. The assembly shall meet the following requirements, where applicable, of MIL-F-I 3926: a. Order of precedence b. Dimensions and tolerances c. Part identification and m
10、arking d. Electrical and electronic assemblies e. Workmanship. 3.2.1 Soldering. Soldering shall be in accordance with MIL-8-45743 or MIL-S-46844, except that bare copper wire exposure shall be permitted at c lipped ends of component leads. 3.3 Performance. Unless otherwise specified, the assembly sh
11、all meet the performance requirements of this specification at standard ambient temperatures between 60 degrees Fahrenheit (O F) and 90F. 3.3.1 Power and signals. The assembly shall perform as specified herein when the power and signals of table I are applied as specified. TABLE I POWER AND SIGNALS
12、Condition Power sources: t5 Vdc +IO Vdc Signal sources: Digital Type A 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-5073b 12 7777406 Oq31777 T b MIL-C-50736(MU) 8.August 1973 3. 3. 1. 1 Returns and range readout selection logic. With the d
13、igital Type-A signal (item 2. 1) of table I applied as specified in table T, the displays shall be as specified in table II. 3. 3. 2 Environmental. 3. 3. 2. 1 Storage temperature. Tfie assembly shall meet the requirements of 3.3.1 at ambient temperature after exposure to and thermal stabilization at
14、 -80“ F and t160“ F. 3. 3. 2. 2 Operating temperatures. The assembly shall meet the requirements of 3. 3. 1 while exposed to and thermally stabilized at -40F and t125“F, subsequent to which the requirements of 3. 3. 1 shall be met at ambient temperature. 3. 3. 2. 3 Vibration. The assembly shall show
15、 no physical failure and shall meet the requirements of 3. 3. 1 after being exposed to the following vibratory conditions : a. Amplitude: 1/64 inch, constant (1/32 inch double amplitude) b. Vibratory motion: Simp1 e harmonic c. Sweep time: 5 to 55 to 5 Hertz in a five-minute period d. Vibration cycl
16、ing: Three linear or logarithmic sweeps applied to each of the . three mutually perpendicular axe s. 4 Q Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-4 MIL-C-50736 12 7777706 04317O 6 i z b u w 4 w v) k s -:+I o-0-0-0- I OO-oO-O 0000-I ,004 o-0 _
17、mo-0-0-0-0-00 +00-00-0000 MIL- C- 507 36 (MU ) 8 August 1973 oooo-oooot 00000000-00 ,-z 5 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C-5073b 32 7777706 0433783 8 s MIL-C-S0736(MU) . 8 August 1973 4. O QUALITY ASSURANCE PROVISIONS 4. 1 Respon
18、sibility for inspection. Unless otherwise specified in the contract or purchase order, the supplier is responsible for the performance of ali inspection requirements as specified herein. a8 otherwise specified, the supplier may utilize his own or any other facilities suitable for the performance of
19、the inspection requirements specified herein, unless disapproved by the Government. The Government reserves the right to perform any of the inspections set forth in the speci- fication where such inspections are deemed necessary to assure supplies and services conform to prescribed requirements. Exc
20、ept 4.1. 1 General provisions. The component and subassembly Definitions of inspection inspection requirements of MIL-F-13926. form a part of the quality assurance provisions of this specification. terms shall be as listed in MIL-STD-109, 4.2 First article (initial prod,uction) approval. The require
21、ment for first article approval and-the responsibility (Government or contractor) for first article testing shall be as specified in the contract. for first article approval tests shall consist of three assemblies. sample shall be manufactured in the same manner, using the same mater- ials, equipmen
22、t, processes, and procedures as used in regular production. All parts and materials, including packaging and packing, shall be obtained from the same source of supply as used in regular production. The sample The 4.2. 1 Government testing. When the Government is responsible for conducting first arti
23、cle approval tests, the contractor, prior to sub- mitting the sample to the Government, shall inspect the sample to insure conformance to all the requirements of this specification. this inspection, including certificates of conformance for materials, ,shall .be sybmittad. with. the sample. A record
24、 of 4.2.2 Contractor testin% When the contractor is responsible for conducting first article approval tests, the sample shall be inspected by the contractor for all the requirements of this specification. ple and a record of this inspection, including certificates of conformance for materials, shall
25、 be submitted to the Government for approval. Government reserves the right to witness the contractors inspection. The Sam- The 4, 3 Inspection provisions. 4. 3.1 Submission of product. Unless otherwise specified herein, or by the contracting officer, inspection lot size, lot formation and pre- sent
26、ation of lots shall be in accordance with inspection and sampling procedures herein and submission of product provisions of MIL-STD- 105. 6 A Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-I MIL-C-5073b 12 M 9999906 0431782 T L Classifi- cation Char
27、acteristic Req ui r eme nt Te s t Par a graph 101. ,Returns and range 3.3.1.1 4.6.2 readout selection logic MIL-C-50736(MU) 8 August 1973 Cla s sifi- cation Control Test Requirement 301. Fabrication 3.1 302. General specification 3.2 4.3.2 Examination and tests. Test Paragraph . Applicable drawings-
28、 MIL-F-13926 visual visual 4. 3.2.1 Components and subassemblies, All components and subassemblies shall be inspected in accordance with the inspection pro- visions contained in the respective specifications and Supplementary Quality Assurance Provisions (SQAP) listed in the technical data pack- age
29、 (TDP). provisions of MIL-F-13926 shall apply. In the absence of SQAPs, the applicable quality assurance . Classifi- cation. Control Test 303 . Storage temperature 3. 3.2.1 4.6.3.1 304, Ope rating temper ature 3. 3.2.2 4.6.3.1 - 305. Vibration 3. 3.2. 3 4.6.3.2 Re q ui re me nt Te s t Par a g 1: a p
30、h w 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-C-5073b 32 939990b 0433983 3 W + MIL-C - 50736 (MU) 8 August 1973 4. 3.2. 2 Functional tests, The requirements and tests in table III shall be inspected on a 100 percent basis. All examinatio
31、ns and tests shall be conducted at the standard ambient temperature, 4. 3. 3 Acceptance and rejection. Rejected lots shall be screened for all defective characteristics. Removal or correction of defective units and resubmittance of rejected lots shall be in accordance with the acceptance and rejecti
32、on criteria specified in MIL-STD-105. 4.4 Special sampling. The selection of samples shall be in accordance with section 7 of MIL-STD-105. 4.4.1 General, One assembly shall be selected at random by a Government representative as a control sample from each 5 O produced. The control sample shall meet
33、the requirements and tests in table IV. 4.4.2 Environmental. Three assemblies shall be selected at random by a Government representative as a control sample from each 50 produced or from each months production, whichever occurs first. The control samples shall meet the requirements and tests in tabl
34、e V. 4.4. 3 Failure of sample. Should any one item of a special sampling fail to meet the specified test requirements, acceptance of the product shall be suspended by the Government until necessary eorrections have been made by the contractor and the resubmitted item has been approved (see 4.3. 3).
35、i . 4. 5 Inspection equipment. Except as otherwise provided for by the contract, the contractor shall supply and maintain inspection equipment in accordance with the applicable requirements of MIL-I- 45607. The inspection equipment listed in table VI shall be utilized in performing the tests specifi
36、ed herein, TABLE VI INSPECTION EQUIPMENT Item 1, 2; 3. 7 Nomenclature Dc power supply - Dc power supply Signal source i Description v t5. o *o. 2 v, t10. o *O. 4 v, Ripple: 25 mV p-p maximum Ripple: 25 mV p-p maximum Capable of providing the logic levels specified in item 2. 1, table I. 8 Provided b
37、y IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-C - 50736(MU) 8 August 1973 4.5.1 Government furnished inspection equipment. Where the contract provides for Government furnished inspection equipment, supply and maintenance of inspection equipment shall be
38、in accordance with the applicable requirements specified in MIL-1-45607. 4.5.2 Contractor furnished inspection equipment. 4. 5.2.1 Government design. Unless otherwise specified in the contract, all inspection equipment specified by drawing number in speci- fications or SQAPs forming a part of the co
39、ntract shall be supplied by the contractor in accordance with applicable technical data listed in the TDP. s UPPlY c edur e 4.5.2.2 Contractor designc The contractor shall design and inspection equipment compatible with the test methods and pro- s specified in 4.6 of this specification and with the
40、comtlonent inspection- procedures specified in examination and test facilities requirements of MIL-F-13926. is normally considered to be within 10 percent of the product tolerance for which intended, this inherent error in the inspection equipment design must be considered as part of the prescribed
41、product tolerance limit. Thus , concept construction, materials , dimensions , and tolerances used in the design of inspection equipment shall be so selected and con- trolled as to insure that the inspection equipment will reliably indicate acceptability of a product which does not exceed 90 percent
42、 of the pre- scribed tole rance limit and permit positive rejection when nonconforming. Construction shall be such as to facilitate routine calibration of ins pe c ti on equipment, Since tolerance of inspection equipment 4.6 Test methods and procedures. 4.6. 1 Test conditions. Unless otherwise speci
43、fied, the test conditions shall be in accordance with the test facilities provisions of MIL-F-13926. 4.6.1.1 Initial conditions. Connect the power to the assembly as specified in table I. 4.6. 2 Returns and range readout selection logic. Apply the initial conditions of 4. 6. 1. 1, apply the digital
44、Type-A signal of table I of the logic level indicated, in turn, to the group of terminals asso- ciated with each readout specified in table II. number on the display to determine compliance with 3. 3. 1. 1. Observe the readout 9 Provided by IHSNot for ResaleNo reproduction or networking permitted wi
45、thout license from IHS-,-,-MIL-C-50736 12 m 7777906 0431785 5 m WL-C- 50736(MU) 8 August 1973 4.6.3 Environmentl: tests. 4.6.3.1 Temperature. The test apparatus shall be in accordance with the applicable test facilities provisions of MIL-F-13926 except that the assembly may be mounted on the inside
46、surface of the test chamber. Perform this test in accordance with Procedure I of MIL-F-13926, with conditions C (-40F) and E (+125“F), and with the rate of temperature change during cycling not greater than 8F per minute. At each of the specified .operating temperatures, perform the test of 4.6.2 to
47、 de- termine compliance with 3.3. 2. l and 3. 3.2.2. 4.6.3. 2 Vibration, Perform this test utilizing apparatus speci- fied in Method 514.1 of ML-STD-810 and in accordance with Part 1 of Procedure I therin, except that the vibratory conditions of 3.3.2.3 shall apply. Following vibration exposure, exa
48、mine the assembly for struc- tural failures, loose hardware, wire breakage, and abrasion. Perform the test of 4. 6. 2 to determine compliance with 3. 3. 2. 3. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-% MIL-C-50736 12 = 7777906 093L7b 7 MIL-
49、C - 50736 (MU) 8 August 1973 5, O PREPARATION FOR DELIVERY 5.1 Packaging, packing and marking. Packaging, packing and marking shall be in accordance with Packaging Data Sheet 11 737350. level of protection shall be as specified in the procurement document. The 6.0 NOTES 6.1 Intended use. The circuit assembiy is a funetional module of the Control,
