1、Mu;I1cARY SpECIFICA!rION 0SCIIJ;ATORSLTBASSFSIBLY (For Torpedo Ma3.k 37 Mods O, 2, ad 3) ._ . This specification has been approved by the Naval Orailarice Systems Comand, Department ofthe Navy . 1. SCOPE 1.1 This specification establishes the requiremen-P-i16 Preservation, Methods of HI-R-10509 n-s-
2、12883 Sockets, for Plug-in Electronic Resistors, Fixed Film (Egh ?lications for cqies should be addressed to DCD Single Stock Point, U, S. Naval Supply Depot, Philadelphia, Pennsylvaxia igi.20. ) 3. 3xJ.mEmNTs 3.1 %scription. The oscillator subassembly is a sealed plug-in electronic circuit encased
3、in a metal container. coirtains a center-tapped inductor, two capacitors, and two resistors which me connected to form a variable frequency series-fed Hartley oscillator tuned circ-At . This subassely 3.2 General requirements 3.2.1 Data required. No data is required by this specification (other than
4、 reports accompanying samples submitted for preproduction and geriodic production testing), or by applicable documents referenced in Section 2, unless specified in the contract or order (see 6.2). . 3.2.2 Preproduction sample. Unless otherwise specified in the contract or order, preproduction smrple
5、s of the oscillator shall be manufactured using the methods and procedures proposed for the production lot. These unit,s shall be tested as specified in Section 4 herein and are for the purpose of determining, prior to starting production, that the contractors production methods are capable of produ
6、cing oscillators that comply with the technicd requirements of the contract. See 4.3.1. 3.2.3 .Wterials. Uness otherwise specified in the contract, requisi- tion, or order, all materials and purchased parts entering into the final. assembly of the oscillator shall conform strictly to the detailed re
7、quire- ments indicated on the applicable drawings, specifications, and publicatiws listed in NELvoRD wg 1563731. 3.2.4 Surface treatment,. construction, and dimensions. Surface treat- ment, construction, and dimensions for the oscilator shall be in accord- - ace with the applicable drawings, specifi
8、cations, and publications listed in WVO Dwg 1563731. 3.2.5 Moisture, fungus, and corrosion. The oscillator shzllbe rendered noisture, fungus, and corrosion resistant in accordance with detail require- ments Specified on the drawings and specifications listed in NAVORD Dwg 1563731. 3.2.6 Nmking. Mark
9、ing of assemblies, subassemblies, and parts shall be in accordance with applicable drawings listed in NAVORD Dwg 1563731. 3.2.7 Threads. Unless otherwise specified, all theads shall be in accordance with Rational Bureau of Standards Handbook 1128. fit for threads shall be as specified on the applica
10、ble drawings. The class or .a -* 3 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-flIL-O-8Ll144B 13 = 0b 358bL b = 3.2.8 Conflicting requirements. In tine evect of conflic% between the ocuments referenced herein an the contents of this specification
11、, the contents of this specifica;tion shall apply. Interpret shhemakic disTam symbols in accordance with i 3.4 Performance requirements and product characterisEics. The oscil- lator shall meet the following performance requirements and product characterisitics: 3.4.1 EC resistance . 3.4.1.1 The dire
12、ct current (dc) resistance be-bween pins 2 and 7 of the 3.4.1.2. The dc resistance between the coil -center tap and sib 1 shXL 3.4.2 IErequency. oscillator shall be 330,000 ohms, plus or minW. 5 percent. be 1800 ohms, plus or minus one percent. . or minus 50 Hl?ship insofar as not specifically cover
13、ed by applicable specifications. Particulaz attention shall be 4. QUALiTY ASSURANCE OVTSIONS 4.1 Responsibility for inspection. Uriiess otherwise speclfied in the contract or purchase order, the supplier is responsible for the perfom- ance of all inspection requirements as specified herein. wise spe
14、cified in the contract or order, the supplier may use his om or any other facilities suitable for the performance of the inspection re- quirements specified herein, Wess disapproved by the Government. The Government reserves the right to perform my of the inssections set forth in the specification w
15、here such inspections we deemed necessary to assure supplies and services conform to prescribed requirements. be .classified as follows: Ekcept as other- 4.2 Classification of inspections. Inspection of the oscillator shaU (a) Preproduction inspection (paragragh 4.5) (b) (c) F“- .33 degrees Centigra
16、de (C) to 35 degrees C). 4.k1.2 Alti.tude. NoMnal ground. 4.4.1.3 Vibration. None. 4.4.1.4 Rtnnidity. Room mbient to 95 percent relative, mximum. 4.4.2 Fest and inspection equipment facilities. The manuf“curer SU if-uzrnish and maintain a13 necessary test equipment and facilities and shaU provide pe
17、rsonnel for performing all quality conformarice tests. The test equipmnt shall be adequate in quantity and, when definite re- quirements are not specified, SU be of sufficient accuracy and quality to permit performance of the required acceptance tests. 4.4.3 Test equipaent. The following items of te
18、st equipment are re- quired to perform the quality conformance inspection set forth in this specification: 4.4.3.1 Power supply capable of supplying the test circuit shown in Figure 1 with electrical power conforming to ?he following reqpbmmnts: 4.4.3.1 Filamen+ power: The electrical power used to o
19、prate the 7 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-!MIL-O-LE44B 13 I 797790b 035b75 3 I 64 fiiament in the test circuit SU meet the following reqairemxrts: 4.4.3.1.1.1 No-load voltage; With no-load the voltage shall not ex- . ceed minus 7.5
20、volts direct current (vc). 4.4.3.1.1,2 Ciirrent: Filment current shall be 0.15 ampere 4.4.3.1.1.3 Voltage: Under a load current of 0.15 ampere the voltage 4.4.3.1.1.4 Internal Srrpedance: The impedance which the power source shall be 6.3 pius or minus 0.1 vdc. presents to the filment at a load curre
21、nt of O.i5 ampere sal not ex- ceed 3000 ohms at a frequency of 53 kiloHertz (kHz) 4.4.3.1.1.5 Alternating current (ac) voltage components: Under a load current of 0.15 ampere, the ac voltage components shall not exceed the following: (a) 30 Hz to 150 kHz; 0.09 volts root-meawsqume (rms) (b) 50 Hk to
22、 56 EKz; 40 microvolts rms. 4.4.3.1.2 Plate power: The electrical power used to operate the 64ifA plate in the oscillator test circuit shall meet the following requirements : 4.4.3.1.2.1 No-load voltage: With no loa 0.2 volts rms. (b) 50 HIZ to 56 m; 20 microvolts rms. 4.4.3.2 Electronic counter: He
23、wlett-Packard Model 523Cy or equivalent. 4.4.3.3 Elec-konic voltmeter with probe having a 7.5 picofwad or less input capacitance and an output jack for connecting it to the electronic 8 /- -. !, : _ m Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-M
24、IL-O-BLLLlLlB 13 E 7777706 03586b 5 _ MIL-O-8XL4$3( OS) counter: Bellantine Model 314 or 311cA, with probe, is satisfactory. 4.4* 3.4 Inaula%ion tecter: Radio Frequency hboratories Model l MIL-C-25 designation GP09AIKC104K. 4.4.3.10 Electron tube : 6C4WA, MIL-STD-200 designation; JprV-6C4WA. Thls %
25、MIL-R-10509. watt; MIL-R-10509. 4.4.3.13 Resistor: mtt; MIL-R-10509. k4.3.14 Socket, tiibe: 7 pin miniature, with shield; MIL-S-12883 k.4.3.15 Socket, tube: 7 pin miniature, without shield; MIL-S-12883 designation TSlO2r)ol. designation TSlO2PO2. 4.4.3.16 Shield, miniature: m-s-12883 designation TSL
26、O2UO2. 4.4.3.17 Audio oscillator. Hewlett-Packard Model 200 CD, or equtva- lent . 4.4.3.18 Test circuit wiring capacities: With power removed, the 6c4W in its socket with shield in place, oscillator subassembly re- moved, and meters disconnectedj the following capacities toground a% the oscilator su
27、bassembly socket shall exist t (a) pin 1 to ground; 9.6 plus or minus 0.5 micromicrofezads (IF) 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-0-81144B 13 997770b 0358697 7 m. rm-0-8 7.5 plus or minus 0.5 wf pin 6 to ground; 2.0 pius or 3.0 pl
28、us or minus 0.5 4.G.3.19 Resistance bridge: Leads-Northmrp, .type S, Test Set No. 5300, or equivalent. 4.4.3.20 4.4.3.21 Impedance bridge: John Fluke Model TlO-A, or equident. Connectors, test leads, and smaU tools as required. 4.4.3.22 Power amplifier: McIntosh Model 75, or eqddlent. 4.44 Test proc
29、edure. The following tests constitute the quality con- forinance tests for the oscillator: - 4.4.4.1 Unless otherwise specified, all perfomce tests shall be conducted wlth the test equipment given in 4.4.3 and shall accurately follow the test procedure of 4.4. 4.4.4.2 I?repration for tests. Connect
30、the power supply (4.4.3.1), electronic counter (4.4.3*2), voltmeter (k.4.3.3), insulation tester (4.4.3.4), wave myzer (4.4.3.5) osciioscope (4.4.3.6) and dieec- tric tester (4.4.3.7) to the power source (4.4.3.8). switches of these instwnts to ON and allow them to warm- for the time necessary to st
31、abilize. Set the power 4.4.4.3 Dielectric strength. To measure the dielectric strength as specified in 3.4.5: 4.4.4.3.1 C0npec.i; the dielectric tester to pin 1 and the case of the oscillator 8ii1d apply 200 v11s at 60 Hz for one minute. no evidence of breakdown. There shall be 4.4.4.3.2 Repeat 4.4.
32、4.3.1 for each remaining pin (pins 2, 3, 6, and 7). of the oscillator. 4.4.4.4 Insulation resistance. To measure the insulation resistance 4.4.4.4.1 Disconnect the dielectric tester leads and connect the in- Apply 100 vdc as specified in 3.4.6:. sulation tester to pin 1 and the case of the oscillato
33、r. test potential-for two minutes and then measure the insulation resis”mce attMs Fest potentid. The insulation resistance shaJ1 be not less than 10,OOO megohms. 10 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-* k.4.k.4.2 Repeat 4.4.4.4.1 for each
34、 remaining pin (pins 2, 3, 6, mC. 7) OL the oscillator. k. 4.4.5 DC resistance as set forth in 3.4.1.2: 4.k.4.5.1 Calibrate the resistance bridge to measure resistance in accordance with the instructions provided with that instrument. . 4.4.4.5.2 Meawe the resistances fYom pins 1 to 2, 1 to 3, and 2
35、 to 3 of the oscillator. center tap and pin 1 by the expression Conpute the value o the resistance between the coil R = (Rl to 2 Lt R1 %o 3) ” %! to 3 2 This resistance shaJ-l be 1800 ohms, plus or h in 3okl.l: 4.4.4.6.1 Measure the resistance from ph 2 to pin 7 of the oscil- lator. This resistance
36、shaJ.l.be 330,000 ohms, plus or eus 5 percent. 4.4.4.6.2 Remove the resistance bridge test leads. 4.4.4.7 Prequency. 4.4.4.7.1 Remove power from the power .sqply. Connect the oscillator Place the 6C4WA tube properly in its To measure the frequency as set forth in 3.4.2: test circuit as shown in Figu
37、re 1, socket, and remove the oscillator fromits socket. . cuit viring capacitances between pins 1, 2, 6, ad 7 of the oscillator socket and ground to ensure that they are in accordance with 4.4.3.i8. Check the test cir- 4.4.4.72 Replace the oscillator in its socket and apply power to the power sirppl
38、y ad test circuit, allowing enough mmmp time for the equip- ment to stabilize. 4.4.4.7.3 Check the calibration of the electronic counter in accord- . arce with the instrucions provided with that instrument. counter has been satisfactorily checked, set the controls to measure When the . frequency. 4.
39、4.4.7.4 Connect ths counter input as shown in Figure 1. Read and. record the rfrequency indicated on the counter. 59,a Fius or minus 50 HZ. Red and record the frequency indicated on the counter. shall be 51,540 plus or minus 50 Hz. This frequency sha.i. be $.i;or Place the 6C4WA tzibe properly in it
40、s To measure the voltage as set forth in 3.4.3: tesi; ctrcuit as shown in Figure 2. sockor socket. Connect the vertical input shield to pin 3 of %he same socket. Observe the waveform. The waveform shall be sinusoidi and sM1 not con-bain noise or spikes (transients) . . Adjust the oscilloscope contro
41、ls for a good presentation. 4.4.4.9,2 Remove the oscilloscope vertical input leads from pin 7 and connect Lhe wave analyzer input to pin 7 and the shield or low side to pin 3 of the oscillator socket, with the wave analyzer, measure and record the amplitude of the fndamental and the amplitudes of as
42、 many hamonics as possible. In accordame with the hstmctions provided 4.4.4.9.3 Using the values recorded in 4,4.4.9.2 and the expression The distortion factor, given in 3.4.4, compute the distortion factor. D, shall not exceed two percent. ! Provided by IHSNot for ResaleNo reproduction or networkin
43、g permitted without license from IHS-,-,-Y MIL-O-8LLLILIB L3. 7977706 0358700 3 rnL-0-82144B( cs) 4.4.4.9.4 Remove the wave analyzer test leads and secure the power .to the test equipmentmd power supply. k.?410 Visual and dimensional examinations. Each oscillator shall 5e exmined to determine confor
44、mance with the requirements for work- menshi2 and dimensions. 4.4.4.11 Packaging, packing, and marking. PackcLging, packing, and =king shall comply with the requirements of Section 5. 4.5 Preproduction and periodic production inspection. The preproduc- tion and periodic production samples, after sat
45、isfac-i;orily passing the quality corSormance inspections detailed in beb, shall be subjected to the following tests and examinations. Certified inspection data covering the results of preproduction and periodic production inspections snall. be forwardlalunction and coqLiance with all performance re
46、quirement and product characteristics of this specification. 5. PREPARATION FOR DELIVERY 5.1 Preservation and packaging. The levels of preservation and pack- aging shall be as speci2ied (see 6.2). 5.Ll Level A 5.l.Ll Unit packaging. The oscillator shall be packaged in accord- ance with Method 171) o
47、f MIL-P-. i4 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-. MIL-O-BLLLILIB 13 W 777770b 0358702 7 W 5.1.2 Level E. Not applicable. 5.1.3 Level C 5.1.3.1 Unit packaging. The oscillator shall be pacaged in accorits;ace with Kethod II of m-116. 5.2 P
48、acking. Packing shall be Level A or Level C, as specified (see 6.2). 5.2.1 Level A 5.2.1.1 Cpnsolidation container. The oscillators, packaged as de- scribed in 5.1.1.1, shall be packed in a woodenbox in accordance with PPP-B-621, Class 2. 5.2.l.2 Palletizing. When specified, Level A packs shall be p
49、al- letized in accordance with MIL-STD-147, Pattern No. 95 5.2.2 Level B. Not applicable. 5.2.3 Level C. The oscillator, packaged in accordance with 5.1.3.1, shall be packed to afford protection against damage during shipment from . the supply source to the first receiving activity for immediate use. Con- tainers shall comply with common carrier regulations app
