1、s-37- 03 MIL -C-484 7 6 B ( AR) 30 June 1981 SUPERSEDING M IL-C-48476A(AR) 20 July 1976 MILITARY SPEC IFLCATION CIRCUIT CARD ASSEMBLY: 11732372 WIND ELECTRONICS 1. This specification is approved ;or use by the US Army Armament Research and Development Coxhand (ARRADCOM) and is available f,or use by
2、all Departments and Agencies o- the De.partment of Defense. 5 1. SCOPE . . 1.1 Scope. This specification establishes the .requirements and quality -. assurance provisions for the Circuit Cafd Assembly: . 11732372 Wind Electronics which is the A9 component of the M21 Ballistic Computer Uait, 11732400
3、. 2. APPLlCABLF, WCUMENTS 2.1 Issues. of documents. The following documents of the issue in effect on date of invitation for bids or request for proposal, form a part of this specitication ta the extent specified herein, SPECIFICATIONS M IL-F-139 26 M IL-1-45 607 MIL-STD-4S 662 Fire Control Materiel
4、: General Specification Governing the Manufacture and inspect i on of Ens pec t ion Equipment, Acquisition, Maintainance and Disposition of Calibration System Requirements FSC 1220 THIS DOCUMENT CONTAINS PAGES. Licensed by Information Handling ServicesMIL-C-48476B 12 W 7777706 0320757 Li mi STANDARD
5、S MILITARY M IL-STD- 105 M IL-STD-8 10 Sampling Procedures and Tables for Inspection by Attributes Environment al Test Met hods DRAWINGS ARRADCQM 11732372 Inspec ti on Equipment 11 750202 11 750426 11 82145 7 11 8 2 1458 11 8 21 500 11821520 11 821854 Packaging Data Sheet: Pl1732372 Circuit Card Ass
6、embly: 11732372 Wind Electronics Automatic Card and Unit, Test Set Adapter, Computer Board - A9 Fixture Shock, Vertical and Horizontal Plane Shock Adapter, Plate Vib Horz-Ver.t Plane/ Vibration/Shock, Test Fixture - Computer Unit Automatic Test Assembly Central Processor Test Fixture Auto Card, Test
7、 Set, Computer, Shock-Z Unit FAT Packaging of Circuit Card Assembly: 11732372 (Copies of specifications, standards, drawings, and publications required by contractors in connection with specific procurement functions should be obtained from the procuring activity or as directed by the contracting o
8、f f i Cer. ) .2 2 . . Licensed by Information Handling Servicese 3. REQUIREMENTS 3.1 Fabrication. The wind electronics circuit card assembly, herein referred to as the assembly, shall be manufactured in accordance with Drawing 11732372 and drawings pertaining thereto and, when assembled, shall meet
9、the requirements of this specification, (See 4.5.1). . 3.1.1 Signals. The assembly shall provide the following signals: Signal Designation a. TRIM 2 b. V, c. WIND SENSOR FAIL d. POWER OK e. BRIDGE. 1 f. WG (WIND GOOD) 3.1.2 General specifications. The following provisions of MIL-F-13926 apply: (See
10、4.5.1) .a. Order of precedence b. Dimensions and tolerances c. Inorganic protective surface finishes d. Part identification and marking - e. Workmanship 3.1.3 Ambient conditions. Standard ambient conditions shall be as follows : a. Temperat Ure 73O + 18OF b. Relative humidity 50 percent - + 30 perce
11、nt c. Atmos pheri.c press Ure 28.5 + 2.0 - 3.0 in. Hg. 3.2 First article. When specified (see 6.21, the contractor shall furnish sample units for first article inspection and approval (see 4.4 and 6.2). 3.3 Performance. Unless otherwise specified, the assembly shall meet the perf ormance requirement
12、s specified herein under st andard ambient conditions of 3.1.3. 3.3.1 TRIM 2 and V, outputs. With the loads, -interconnections, and power (table I, items 1.1, 1.2, 1.4, 1.5, 1.6, 2, 4.1, 4.3, 4.5, 4.6 and 4.7 applied and with the input signals (table II) applied, the outputs at PI-17B (TRIM 2) and P
13、I-17A (Vw shall be as specified in table IL. (see 4.6.2.1). 3 Licensed by Information Handling ServicesMIL-C-48WbL2 W 777770b 0320757 8 W E-ime, With the conditions of 3.3.1, table. II, item 1 aG least 30 secotids,. and then the input at Pi-22A he“ condition of item 6, the voltage at PI-17A shall in
14、 15 C 4 seconds after the input uas switched. i I 4 Licensed by Information Handling Services. Connections I tem Connected between pin Pl-All and 24 VDC (see item 2.2) 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 2.0 2.1 2.2 2.3 2.4 2.5 Connected as shown on iigure 1 MIL-C-qB476B 12 E 7779706 03207b0 9 m MIL-(2-
15、484 76B (AR) TABLE 1. Loads, power forms , signals and interconnections. Conditions Loads Re s is t or Net work Network Re s i s t or Re s i s t or N e twor k Res is tor Power Sources 30 VDC 24 VDC 15 VDC 10 VDC -15 VDC Char ac t er i s t ics 510 Ohm - + 5%, 2W Figure 1 Figure 2 3.67k - + 0.5% 3.35k
16、 - + 1% Figure 3 1 MEG + 5% - 32.5 + 2.5 VDC Ripple 0,5 V p-p max ! Tolerance: + 2 VDC . Ripple 1.0 V-p-p max : Tolerance: + 0.030 VDC Ripple 0.020-V i i p-p max i Tolerance: + 0.030 VDC Ripple 0.010-V p-p max . Tolerance: + 0.030 VDC i ippie 0,020 p-p max I I 5 :onnected as shown on Ligure 2 2onnec
17、ted between pin ?1-B24 and Pl-Bl7 2onnected between pin ?1-A24 and Pl-Al8 2onnected as shown in figure 3 Connected between pin Pl-Al7 and Pl-Al8 P1-lA, return to P1-3A Resistor (item 1. i), return to P1-3A P1-6A, return to P1-18, Pl-lgA, return to P1-1 91-21A, return to P1-1 Licensed by Information
18、Handling ServicesTABU Z. LOrd6, power forms, signals and interconnections. - Continued ltenr 2 3.0 3.1 3.2 4.0 4*1 4*2 4.3 4.4 4.5 4.6 4.7 4e8 Conditions Signa 1 source - Selec tab1 e: -10 ta 10 VDC I nt ercon- nec ti ons Ground BIT BIT - MANUAL WIND MANUAL WIND BRIDGE 2 PWR OK Characteristics Toler
19、ance as specified Ripple 0.010 V p-p max Tolerance as specified Ripple 0.010 V p-p max Jumper wire +15.0 + 2.0 VDC l/ -15.0 2.0 VDC ?/ -15.0 2.0 VDC 2/ +15.0 i- 2.0 VDC i/ +15.0 2.0 VDC I/ -15.0 2.0 VDC 2/ -15.0 + 2.0 VDC T/ +15.0 2.0 VDC i/ +3,30 - 0.01 VDC- +10.00,+ 0.50 VDC - 0.00 + 0.50 VDC - /
20、- I/ Source impedance shall be 510 ohms + 5%, 1/2 w. Source impedance shall be 10K to 20 ohms. Connect ions As required, return to P1-18A As required, return to PT-8A Pl-A3, P1-A13, and Pl-Al8 applied to Pl-Al6 applied to Pl-Al5 applied to .Pl-A16 applied to Pl-Al5 applied to P1-B15 applied eo Pl-Bl
21、4 applied to P1-915 applied to P1-B14 applied to Pl-A2 applied to Pl-A7 applied to Pl-A7 Licensed by Information Handling ServicesMIL-C-LlBLl76B 12 7777306 0320762 B W l:qO;ohm?l% 12 ohm ?5% I 10 w . MIL-C-48476B CAR) b PI-3A FIGURE 1. Functioning probe load circuit. 500 ohm 2 1% 114 W I 2.3 K ohm 2
22、 1% 114 W PI- 28 .l. . $) FIGURE 2. Broken probe load circuit. 7 Licensed by Information Handling ServicesMIL-C-447bB 12 m 999990b 0320963 T m i 00 2 -? O + 4 I-. 4. O o3 + O N N w a aln m 2% ad;?; s .I: ? d ao a um u o3 O tn O + m .o O O o + O O 0 a 9 rl .rl .rl .li *rl .rl I O ooa mmr. 9 990 rlrl
23、O0 aJ d u u al v) O c m O O + o3 m * f? I O + O O O a : 5“ io + O0 +I +I O + In N Q m rl + o el o3 O a * O000 +I +I +I +I t +I +I rloar. IlII 000 ,Ozs Hkg rk al O00 na* F -. .rl NO ?4, O 2 m I U O m m I N U In m N r. I v O In N * u O O O 9 u O O O O I W O a r. m U In o N r. W O cr) N 03 W O 2 m v 4
24、m c.l I Lnmmmmm 44t-l.+.+000000 +i-+ VI N I In mmm 422t-lr-trl oooooo+ Licensed by Information Handling ServicesNIL-C-48Ll7bB 12 m 7777706 O320764 1 m 100 K ohm ? 1% t FIGURE 3. Load circuit (WS FAIL TEST POINT), 3.3.3 V, (BIT) output. With the loads, interconnections, and power (table I, items 1.1,
25、 1.2, 1.4, 1.5, 1.6, 1.7, 2, 4.1, 4.2, 4.6 and 4.7) applied and with 0.000 + 0.010 VDC (item 3.1) applied at P1-22A, 0.000 + 0.010 VDC applied at P1-16B, 0 VDC applied at P1-25A and +15 VDC applied at P-25B, the output at P1-17A (Vw shall be 4.113 + 0.060 VDC under each of the f o 11 owing : - a. Wi
26、th interconnection (table I, item 4.4) applied. b. With interconnection (table I, item 4.5) applied and allowing 15 seconds for the output to settle. (See 4.6.2.3) 3.3.4 xw (MANUAL WIND) output. With the loads, interconnections and power (table I, items 1.1, 1.2, 1.4, 1.5, 1.6, 2, 4.1, 4.3, 4*4, 4.6
27、 and 4.7) applied and with the 8.0 + 0.5 VDC (item 3.1) applied at P1-16B; the output at P1-17A shall be 8.00 t 0.50 VDC. removed and the table-I, item 4.5 signal source applied and with ground applied at P1-22A the output at P1-17A shall be 0.00 + 0,lO VDC. power (table I, items 1.1, 1.2, 1.4, 1.5,
28、 1.6, 2. 4.1, G.3, 4.5, 4.6, and 4.7) applied, the voltage at WC FAIL TECI!.POINT, figure 3, shall be 12.0 + 1.0 VDC. The voltage at WS FAIL TEST FOINT shall be as specified with the following conditions, With the table I, item 4.4 signal source (See 4.6.2.4) - I 3.3.5 WIND SENSOR FAIL output. With
29、the loads, interconnections, and . Allow at least 10 seconds for voltage to settle. 9 Licensed by Information Handling ServicesMIL-C-9847bB 22 M ?77770b 0320qb5 3 M IL-C-48476 B( AR) a. WS FAIL TEST POINT voltage shall be less than 2.0 VDC when the 30 VDC pawer (table I, item 2.1) is removed. b. WS
30、FAIL TEST POINT voltage shall be less than 7.5 VDC when the load (table I, item 1.2) is removed. c. WS FAIL TEST POINT voltage shall be less than 2.0 VDC when the functioning probe load (table I, item 1.2) is removed and the broken probe load (table I, item 1.3) is applied. (See 4.6.2.5). 3.3.6 POWR
31、 OK output. With the loads, interconnections, and power (table It, items 1.1, 1.2, 1.4, 1.5, 1.6, 2, 4.1, 4.3, 4.5, 4.6, and 4.7) applied, the voltage ai WS FAIL TEST POINT, figure 3, shall be 12. + 1.0 VDC. With the table I, item 4.7 signal source removed and the table-I, item 4.8 signal source app
32、lied, the voltage at WS FAIL TEST POINT shall be less than 2.0 VDC. Allow not less than 10 seconds for voltage at WS FAIL TEST POINT to -settle. (See 4.6.2.6) 3.3.7. BRIDGE 1 output. With the loads, interconnections and power (table 1, items 1.1, 1.2, 1.4, 1.5, 1.6, 2, 4.1, 4.3, 4.5, 4.6, and 4.7 ap
33、plied, and -9.140 + 0.010 VDC (table I, item 3.1) applied to P1-22A, the voltage difference between P1-2A and P1-2B shall be 0.000 + 0.003 VDC and the voltage at P1-14A shall be 4.00 + 0.15 VDC with a ripple content of less than.0.150 Vrms. output voltages to settle. (See 4.6.2.7) Allm not greater-t
34、han 12 seconds after application of inputs for 3.3.8 Direction comparison signal. With he loads, interconnections, and power (table.1, items 1.1, 1.2, 1.4, 1.5, 1.6, 2, 4.1, 4.3, 4.5, 4.6 and 4.7 applied, and with the inputs of table III applied, the outputs at P1-17B and TP10 shall be as specified
35、in table III. (See 4.6.2.8) 3.3.9 WG output. With the loads, interconnections and power (table I, items 1.1, 1.4, 15, 1.6, 1.7, 2, 4.1, 4.3, 4.6 and 4.7) applied and with -9.140 + 0.010 VDC (item 3.1) applied at P1-22A the output at P1-17A (V,) shall be as specified, allowing not less than 45 second
36、s after application of inputs for the voltage to settle, with the following conditions: a. With load and interconnection (table I, items 1.2 and 4.4) applied and with +15 VDC applied at P1-25-A and O VDC applied at P1-25B the voltage at P1-17A (V,) shall be 0.00 + 0.05 VDC (Rtn at Pl-18A). - b. With
37、 load and interconnection (table I, items 1.3 and 4.5) applied and with O VDC applied at P1-25A and +15 VDC applied at P1-25B the voltage at P1-17A (V,) shall switch from 0.0 + 0.1 VDC to 8.0 + 1.0 VDC not lessthan two times a second. TSee 4.6.2.9) - 10 7- -. . Licensed by Information Handling Servi
38、cesMIL -C-4847 6 B ( AR) TABLE III. Direction comparison signal. Inputs (VIX) - i/ I outputs Il I I I I I I I I I P1-25B I P1-17B P1-25A IItem I I I I I I I 3.000 + 0.003 1.600 + 0.002 3.000 0.003 1.500 7 0.002 3.00 +-0,003 1,400 7 0.002 0.00 7 0.002 0.000 7 0.002 -8.00 + 0.50 VDC Not apFlicable +8.
39、00 + 0.50 VDC Square wave 2/ TP10 (VDC) 1 -I -1.000 + 0.220 0.000 T 0.220 1.000 % 0.220 0.000 7 0,045 - l/ Items 3.1 and 3.2, Table I. 2/ - Period equal 88.4 + 18.6 microseconds, no rise time requirement. - - 3.4 Environmental. 3.4.1 - Shock. The assembly shall be capable of operating as specified h
40、erein after exposure under the conditions of 3.1.3 to three half sine wave shock pulses of 40 + 4 gravity units (8) for a duration of 18 + 3 milliseconds (msec) applied in each direction along three mutually perpendicular axes. addition, the assembly shall be capable of withstanding three half sine
41、wave shock pulses of 100.0 + 10.0 g or a duration of 1.5 + 0.2 mcec applied in each direction along three mutually perpendicular axes. In (See 4.6.3.1) 3.4.2 Vibration. The assembly shall be capable of operating as specified herein after exposure under the conditions of 3.1.3 to the vibration profil
42、e of figure 4. Duration of exposure shall be not less than 80 minutes in each of three mutually perpendicular axes. (See 4.6.3.2) 3.4.3 Operating temperature. The assembly shall be capable of operating as specified herein over the operating temperature range of -25OF to +140F. (See 4.6.3.3, 4.6.3.4,
43、 4.6.3.5) 3.4.4 Storage temperature. The assembly shall be capable of operating as specified herein after exposure to storage temperatures ranging from -65F a to +160F. (See 4.6.3.3, 4.6.3.4, 4.6.3.5) 3.4.4 Storage temperature. The assembly shall be capable of operating as specified herein after exp
44、osure to storage temperatures ranging from -65OF to +160F. (See 4.6.3.3, 4.6.3.4 and 4.6.3.5) 11 Licensed by Information Handling Servicesf*T - , I ,. .II - .II ., .I - ._ ,. r. c_ .I. :I AC I:; :. ., . t. . 1: I L. . . j i- ,. I. . . 12 Licensed by Information Handling ServicesflIL-C-Ll847bB 12 999
45、9906 03209b 9 = MIL-C-484 76B(AR) 4. QUALITY ASSURANCE PROVISIONS 4.1 Responsibility for inspection. Unless otherwise specified in the contract, the contractor is responsible for the performance of all inspection requirements as specified herein. Except as otherwise specified in the contract, the co
46、ntractor may use his own or any other facilities suitable for the performance of 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 specification where such inspections are deemed ne
47、cessary to assure supplies and services conform to prescribed requirements. 4.2 Classificaaion of inspections. The inspection requirements specified herein are classified as follows: 1. First article inspection (see 4.4). 2. Quality conformance inspection (see 4.5). 4.3 Inspection conditions. Unless
48、 otherwise specified, all inspections shall be performed in accordance with the quality assurance provisions of MIL-F-13926 and the conditions of 3.1.3. 4.4 First article. The reauirement for first article approval and the - designation of responsibility for first article inspection to either the Go
49、vernment or the contractor shall be specified in the contract. 4.4.1 Sample. The first article sample shall be three assemblies selected at random by the Government representative from the first fifteen production assemblies. 4.4.2 Inspectlon. The sample shall be subjected to all the inspections specified in tables IV, V and VI. 4.4.3 Failure. Failure of any assembly to meet any requirement shall be cause for refusal to grant first article approval. The Government reserves the right to terminate first article inspection upo
