NAVY MIL-T-81831-1971 TEST SET ALTIMETER SET AN APM-347《AN APM-347测高计试验装置》.pdf

1、MIL-T-81831 bb 7777706 01113bLi7 2 W F- 4$-0.3 Thic specification has been a- by the Naval Air Systems CcimMnd, Deparim?nt of the 4 traces; sweq sped .O5 usec/m to 50 urec/cm; trigger anplitu vertical scnsitivip?: .O2 v/m x 5 mgnification; frwency rcsFnse : X-axis, Dc to.lMz/sec; in7ut h pean: 1 nir

2、gahm on X-ais Range: 0-40 VDC Accuracy: .Ola or 1 digit Digital Voltsricter . cubic 240 10 Milz Stardard Freqmcy . Stabilie 1 part in 10 * E1ectmni.c Ccunter fiewlett Packard HP524D Signal Generator Hewlett Padcard 86iA Frequaq: 4300-4500 -3% Pa- +4 DEY tit?,? a 100 Preprr;rent and Associated Repair

3、 Parts, Re- paration for e1ivx-y of Micrelectrmc Devices Used in Avionic Wpmnt, Procedures for Selection and Eppmval of Electric PanEr, pircraft aaractcristics and Utilization of MILTHD= Fcliability Stress ad Failure Rate Data for Electroaic D in so cbing, the follahg shall guide: (a) Parts and mabr

4、ialc requirerent. shall be in accordance with i.Tur-21200. parts selected for use which axe cansidered norstandard psr MLLrF21200 chal1 be selected to met the de- sign requiremnts. Sual parts shall only be Fed when a standard ML equivalent part is not available or whax delivery tvriC of the standard

5、 part is beyon the tim limit re- quid to met the cantract delivery schedule. (b) SenUConductor devices - Saiiconductors shall be c;?osm aM ap?lied accoring to bsst encjheer- ing practim to at” muntctd cantrol paneh shall maform to the applicable requircrrrnired for the epze?t to warm up prior to opr

6、ations s!ial be kept to a minimm and shall not exceed 5 nsiutes tarder standard conditians a?d 10 minutes at extrem semice con- ditions. shall be capable of satisfactory operation when suppiid inpit pcxm having Charactieristics as defined in 8-T-21200. The porver required shall be of the following t

7、ype and shai not exient. Remiver accuracy test - A test capability shall he provicd for alicpmnt an amam test of the moeiver portion of tlie Receiver %ansmitter unit. Fault Isolation - 1Ms test capability shall pro- vide for fault isolation at the Ntimter 13eiqt Indicator, Coupler, Bciever-banmitter

8、 an2 RF switch units. Adjustable Voltags - Tlie /APX= (i?) system via a coasial cable frm the trmhttcr output. It shal pmcs the signal and rem it to the remiver via coaxial ccable. !Be signal shall be procicced to accurately cinulate a return signal in the high altitude de at 1000 feet an in tile lm

9、 altitude mde at O feet, 10 feet# and 40 feet. me signal shall be attenuated by mans of fird and varia?le attenuators to allag for censitiviS nieasuremntc. The Altinieter Lansmitter frqxnq shall be masure6 by mnitoring the detected output of a cavis wavc nieter. A signal sanpler shall k provided for

10、 making relative transmitter pamr nieasurements 3.5.1.1 Accuracies shall be: Tolerance + 2% or + 4 ft. whichever if greater 3.5.2 Feceiver AccxaoJ Test Oluracteristics - Circuitry shall be provided to convert a cysten sicpal to a simiateci groun retum pulse. The puise delay shall Se prwd to provide

11、fixed altitude Ge- layC Of 100 f-t, 150 feet, 300 feet, 1000 fei. A voltage divider shall Ix provided to sde the Cou?c:r Altitude sival out to a voltaF rqxescixing L a direct al*dtu6e reding. C 9 Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,- MIL-T

12、-1831 66 1 9797906 0143653 m 3.5.3.1 3.5.3.2 1v to 21v contnuslv variable Licxg Mt -0.5 Vol% Hi* Limit +2G w1t.s Volwge Divider Scale Accuracy : Sde Factor Tolerance i.oov=1ooo feet - + 5% 3.5.4 Form Factor - The system test-set mxhzm 2imnsions shal be benty (20) inales deep, Wenty *JO (22) iches wi

13、de and seventeen (17) inches hi. The case assarbly being eleven (11) inches high and the mr assably being six (6) inches high. 3.5.4.1 Weight - !he weight of the system test set shall not exaeed hWcc3v - The cace assexcbly shall have a re- (a) Power souces (b) bicrafave components (c) Electrcdc sub-

14、assdlies and eonponentc Feet - The case assenhly shall have ism sets of feet, q- -3.5.4 -4.1 ane set on tile bttan ana one set on an end as provision for resting the case cm a bench. 3.5 4.4 . 2 assmbly shall ealiseii outyb in six ctq fimm 100 to 5000 feet with an accuracy of 2%. (3) +150 Volt pckir

15、er supply (4) +34 Volt Puver apply (6) *+4.7 Volt REtgulaW Supply 4 (7) 4 Volt RcgulakG Supply c *c -8- prirriary me is to shaper axpify Md bias the inpt pulse fran the Utitude sig- nal -tpneratOr arZi to ih: + 0.50 OaUt: 144.0 to 160.0 volts, Pipple: 0.04% or 10 Mmxs tJfucher is greater than 400 Hz

16、. mut voltam range: 16-35 VDC Output: 12.0 VDC naninal Output a6ju.s-t ran-: 11.4-12.6 VDC Regulation: + 0.5% for 30% - input change. Input volta-: +12 VDC mtput: +4.7 VDC Regulaticx?: - + 5% Input voltage: Output: -5 VDC Regulation: +5% firavides remte rf miStdiing Operatins voltage: 115 tmc RF out

17、put psitio:s: C 3dtolinq rate: 30 -ations/sec Sr-titc%nc tim : 50 nsec/GOOthrcw 115 VnlC, 400 HZ - Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Characteristics wratinq frcqueixy: O-i2 Gt.:z VSR: insertion loss: DC to 5 IZ 0.3 b Isolation: Average

18、pcmr wpability: DC to * 10 ai2 4uox Ri? voltage rating: 1500 vults. Iy: to 8 GZZ 1.3 W. Ix: to 12 Rlz 70 cb awrr (9) 10 n reliabilitv cimal Front Panel Frant Panel Front Panel Front Panel Frant Panel Wation A-1 Board P.-5. Eoard A-1 Baard A-1 Board A-1 Board A-1 Soard Fi1 IBard A-1 bard A-1 Board A-

19、1 Board A-l Board A-1 Board iceation ps-3 Supply PS-1 sllpply PS-2 Supply FKnt Panel Front Panel Front Panel c Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-T-L3L bb W 7777706 0343657 5 W 3.5.6.3 Sysm Test Set frdicators Inhicator Name Function

20、 focatiun fnAltLim Indicatec larq altitude limit mnt Panel 115 vIy3 indicates 115 WC -3: QU Front Pard Indicates system current drain Front Panel =cam input voltage setting Front Panel Sys Voltage self %st indicates self test mlt Panel sys -t 3.5.7 . *-+. Electrical Connections R2ferel1 (6) inches h

21、igh. - Size - mw (20) inches deep, txnty-bra (22) inches 3.5.8-3 3.5 . 8;. 4 Naterial - Aldnum Allav 6061-0 Finish - Paint, iigiit gray, semiuloss em1 Color t . No. 26307 per MIL-STD-595. 3 . 5 . 8 . 5 Ctmaue - Sufficient swage vol un shall be provided for the iterns listed in para. 3.5.9. 3.5.9 Cab

22、le psscnblics and kccxssorics - Cable assdiies and acoeccoriec shall be provied as follms: * . -11- I Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-! MIL-T-L3L 66 m 7977706 OLq3b5 7 m 1-81831 (AS) Irawing Eo. , 1529-2301 1529-2302 J.529-2303 1529-2

23、304 1529-2305 3.529-2306 1529-2307 1529-2308 1529-2 309 1529-2310 1529-2311 1529-2312 1529-1110 1515DOGl )I2 4 12 913- 3F NS51958-64 E51958-68 4.1 . Pesporsibility for Inspection - Unless otherwise sici- fied in the cantract, or purchzse orer, the cu99iier is responsible for the perfonrance of all i

24、nspection reqiremnts as -cifi?r.ts to be suGlied uridcr the -,tract. Preproduction tests shall 5c acaxshtctia? ecgipmnts shall be deliver?roved by the procuring activity. for accmplislfing the acccptance tests. be ulncer the cuprivision cf the Goveramnt Inspector. Supliers not hoving testing facilit

25、ies catisfactmy to the procuring activiw shall engage the services of a camrcial testing laboratory ac-table to the procurin? activity. The cupplier shal fumish test rqxrts shohng the quantitative =sulks for all acceptance tests. representative of the supplier. Acceptance test shall cansist of indiv

26、idual unit tests. quality, be equivalent to the-apprwd prqro!uction cqle. 4.3 Accep+ace Tests - The supplier shall be recpnsible rill inspcction anci testin9 shall Such repom shall be sigr,ed by an authorized (1) Individual Tes- individual Wstq - Ea of material, tmrkmmship, Fra- tianal adequacy and

27、reliability specified hemin. As a minim, eahen zppxwd test procedures are available from previous contracts such prrter, dum to the dule level. 6.2 * Perfomcc Objectives - YiNmurn size and weight, sinplicity of;aperation, ease of mintxxmnce, and an inprovenrent in te performance and reliability of t

28、he spccific functions beyoni the requirerents of thik specification are o!jcctives which shall lx considere ir, the praduction of this equiprent. fiere it appears a substantial reductionin size and weight or inprovernt in siwlicity of desi-, perfommcc, ease of maintenance or re1iaSi.i will result fr

29、om the use of nuteriais, parts and Frocesses other than as specified in KLL-T-21200, it is desird their use be investisaW. taen investigation cors advantages can be realid, a mest for -provai shall be submitted to the procuring activity for mnsieration. shall be accanp.inicd by caplete supporting in

30、fomtion. Each request L -14- .- Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-Project No, 4625-p:501 -15- , 6.2.1 rs a gcricral rule, ncnrcpaircie subasseics shou1G be enca2sulatcd or hcnrcucally scaled. rine nuir3er of mectiors iitczl tu the sSacc

31、enbly should be held tn a minimi. should be so selected that tho life of the subssmhiy is qreatcr tiim that or a similar repLr the nowrepirable su5assenbly should evidence a man-tim-to-failure greatcr than 5000 hours, and for my applications this figiire nuct be nearer 50,000 haUrS. Detail park tole

32、rmcs and ratkgs 6.3 Precedena- of mts - Vhen the requirmt of the cantract, this specification, or wli&le subsidiary specificatians are in amflict, the follmbq precedence shall apply: (a) Contract - The contract chdl have preden aver a?y specificatia?. (b) This Specification - This specification shal

33、l ham precedcnoc aver ail anplicasle suhsioiarv specifications. fication, or fran sSsidiary specifications where applicable, shall be specificallv ap- proved in writing by the procuring activity. Any deviation fran this speci- (c) Mfemd Spxifications - Any referenced specifications shall have preced

34、en= over all applidle subsidiary specifications shall ay to the extent spxified. 6.4 Orderinq Data - Purcllases shald exercice any desired mtions offered herein, and the procurenwt documnts didid Cpccify (1) (2) Title, nurrlxr, and da+& of this spcification. Selection of applicable levels of packagi

35、ng and packing (See 5.1) . 6.5 Definition - “he follming non-military definition Sup?lier - The facility fajricatinq, asserbling, shall apply throughout tiiis specification. aceptane testing and furnishing the pent in accor&nE with the con- 6.5.d . tract specifications. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-