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https://ntrs.nasa.gov/search.jsp?R=19660019781 2018-06-26T07:59:12+00:00Z

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Report o f Tes t on

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Associated Test ing labora tor ies , Inc. Wayne, New Jersey

Date .JllZparl 21, 1966

1 Prepared Checked Approved n I

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T A B L E Op C O N T E N T S

Admhietsative Data

List of Apprr8t.s;. . 6enoril . . . . . Humidity ie6t . . Vibration Test . . . Aeerrlsration Teat . . Shook Te6f . . . . Asotaatio Weiee Test e

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Oxygen At608phere Test . Altitade Test . . . . S a n d d I h u t Te8t . . S a l t Spray Tr6f . e

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Appandix B -Humidity Test Failure Analyeir

Appendix C - Elertriual Teat Data . . . . .

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Associated Test i-n g Lab 01 a tor i e s, In c . U'ayne, New Jerhey Burl I netor:. Mas<?rht,ietts

Administ rat lva D a t a

1.0 Purpose of Test:

2.0 Manufacturer: ?ifth Dimen8ion he. P.O. Box 483 Princeton, New Jerrey

3.0 Manufacturer's Type or Model No.: Model m 4 ~ 3 9 Serial No. 7243

4.0 Drawing, Specification Or Exhibit: F i f t h Dimension Ine. .Aeceptanco Toat Proordruo for F i f t h D h n r i o n W t i c o d e r Model EDAU-839, NASA Cantrrst #e. NAS9-4590" datod Soptembar 26, 1965 and Military Spo- iffaation XIMM~QA (w).

5.0 Quantity of Items Tested: orar,

6.0 Security Classification of Items: U B U h 8 8 i f i 8 d

7.0 Date Test Completed: Deuaaber 28, 1965

8.0 Test Conducted By: Associated Testing laborator ies, Inc.

9.0 Disposition of Specimens: Betarned to F i f t h Dimenmion Ina.

10.0 Abstract:

Tho 8ubmlfted Multleoder w u mubjrrted t o a rorier of h i r o n w n t a l Test8 in aeeordanae w i t h the referenced docmpeatr. The following i 8 8- @f t h o r O 8 P l f 8 .

Report No. nlfed3% Page- 1

Associated Test ing laborator ies, Inc. Wayne, F)sw Jersey Burlington, Massachusetts

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10.0 umtru+ (~ontimoi)

The Wticrmder a r p l e t . 4 d l a i the IBrvircineientd Feats w i t h ao rridemo of phpicrl dumago, deterioration or corromion. mequemeo im #to m r o o a s n t a l Temt8 w e r e conducted m y be moem in tba 0.PU.l roetion of t h i m npert.

The e l e a t r i a d test data recerdod by F i f t h Dimension Inc. per8on- no1 during the k m t p n p u u y be meen i n Appondir C of t h i m report. preporiy during tho Earidity Temt M indicated fn F i f t b Piwnmion h e . Hllridity Temt Frilaro Aaalymia contained in Appendix B of thi8 roport. A t the requeat of P representative of Fifth Di-mrien he., tho H W d i t j T e n t w u mnbneqnently rerun.

The

I t &odd be noted that the Multicoder did not eperate

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3 Page

Associated T e s t i n g Laboratories, Inc. Wayne. New Jersey Burlingion. Kaisacngsetts

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Report No. . Ulfb-6396- Page

Associated Test ing laborator ies , Inc. Bur I i ngt o i 1, Ma - sa c h u5ett 5 fiayne. New Jersey

I I I I 1 I I I 1 I I 1 1 1 1 1 1 -I

1Pnironmmkl Terf

E d d i e V i bratior Acaolerrtion

Shook Aaolutia Weir. Oxygen A w 8 p h . n AltitrtQ.

P u . of Acesptanco Tort Procedure

9.0 6.0 3.0 4.0

5.0 7.0 2.0

Sand and lhut 10.0

Salt Spray 8.0

Elumidity (Rerun) 9.0

Method of yl[GsTD43lob

so70 1

- Sl0. l 509.1 507 1

El.otrioal y.UlU~t8

Uh8n rpooifiod ha th. i d i d d u a l M r o n r s n t d To8t Proedure8 of thi8 nport, tho Multioedor wa8 modtared for proper operation and rub jookd to 0 1 8 8 t r i u a ~8~ureDentr by Fifth Dimenmion Inc, pr- mo-1. a l l olootriml tort data i r inoludod i n Appondir C of thir report. Howvet, no eonelusiona rogatcWg tho operation of the mrft w r o medo by Aamoaiatod Tenting Laborrtoriem, h a . pelronnal.

A t fbr, nqwmt of a roprorentrtiw of Fifth D b n 8 i o n I-.,

Page __ 5 .- Report No. m17843%-

Associated Test ing Laboratories, Inc. v

Wayne, Ne* Jersey Buriirigton, Massachusetts

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Riar to p u f o m b g thr Hplridity Test, th. l idticoder w u subjected to *leetried memuramento (haah Teat). ;rasarammk~a, +A0 W f b e d e r ves placed in s %mpesshrdhm,iditJr Tost ChsJHr w i t h rll moosaery oleatrioal connectionm made through 8 8edd a e ~ . a a pert. uontimopr 2 4 h o e r tamprature-humidity eyclms. The relative humid- ity vithia fht aB.rb.r N mintained between 95 and lOf@ throughout the entire b o t , Tha ahaaber temperature was varied M follows dur- ing eaub of the aplor t

Pollowing the elestriorl

?ho Multieoder mu then subjected k %en

- Tho &amber taporateto w a r maintained a t + 1 W F for a p r i e d of 8ix hoara.

3 - Thu a-r temperature war gradually deureaaed to +$WP in rirken-hour period.

The Multicoder waa proterted from any direat rater crondenration by n u m of a r t a i n l o a r rteel sleplng hood. throu#oat the expomwm arm did not excoed 150 feet per mlnuto 4 the t e a t chadmr fu ranted k the atmosphere in order t o pre- vent the bnildap of preorure. of between 6.5 and 7.5 at a temperature of +77*P tu wed fo obtain tho doaired humidity.

The velooity of the air

kdaerrli8sd water having a @ rrlme

The Iln1tiood.r WM oontindwly operrkd throughout tho entire tort .ad rub joekd to eleatriral mu-ntr during the first and 'iut bum, A t fh. sorplotioa of tbt %@-hour Humidity Toat, tha Multi- a*r fu - f r o m t h W e r and rtmully esaained fer evS- dmnae of d.terforation rad corrorion. Fellodng tho riraal e d m - tian, UU Multieodsr ru again subjeated t o electrical ~ a s u r e ~ o n t r .

e

Report No. ~-17s143!!!k.- Page 6

Associated Test ing Laboratories, Inc. Wayne, New Jersey Burlington. Massachusetts

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7 Report No. _!11mH!k- Page ~ _ _

Associated Test ing Laboratories, inc- Nayne, Ne& Jersey Burlington, Massachuset!s

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zlhusoidd Yibratfon 5 - 10 . 0.20 laah da O B 8 lo-rinnf.

10 - 18 f l g peak loguifbrio m o p iraa 5

8 Report No. ml?slrg?96- Page __

Associated Test ing Laboratories, Inc. Wayne, New Jersey Bur I i ngton. Massachusetts

f

pBT P3locmAq (Centinuod) . Prtor k performing ea& randor vibration test condition, the f .8f

fixtnro and fho Vibration Whine vera equalisod fo r tho rtqoired rudm frequeq vibr r t ien lmA8. mysteun mod f o r eqaalisc tion aentainm # pal101 baadpus f i l t e r s w i t h indiritiuel attanu- a to r r ior epoetxmm d m p i y , Isrsh f i l t e r attenuater h u - b u d r i m of 30 eyaler. aircuita .hiah rod dirortly in #/.pa.

Tho r y a t u ala0 aontaiae 44 monitoring

A I 1 throe h a t aonditfene were eonhated in one axis of vibration pr ior to prooooding to mother axha for propor mporation -4 eroh-axis of vibration. tion of oscrh axis, flro Maltirodor was visually examined f o r evidence of physieal duug., At tho eomplotion of the en t i re Vibration Pest, the Hulticrsdor WWB subjoeted to oloctr ical rersurensnts.

The Hultlaoder mi0 ronitorod A t tho conple-

Thoro .u PO d d o n a o of phyrical damage t o the Ynlticoder as a r e su l t of fha Vibration Sost.

. Associated Test ing Laboratories, ' inc. Wayre. NeN Jersey Bur: i ngtm. Massachusetts

i -ION ¶%3T I The Mnlticedar IU mpurkd k a k a t firtare uhiob warn, in turn, r o d k fhsr ku of a Aoool8rator. All aecemrary olea- trical eennodiou we- d o thromgh the d i p r i 4 a r o d l y p d&ad 6 t h *As Aseeltrcrter. The Mdtiaoder w m than aubjeated fa a ruofrined rooolorrtien of 40 g for a pekiod of three dnukr in each 8irsstien of orsh of the throm larturlly perpendicalar axom iriontified in P igem 1.

Tho rpecif iol 8areloration love1 wsm obtained by increaoing the speed ef tho radial aeaolorrtor until the required angular -10- a i tx wan rarah.d, Tho mar velocity rsrr calculated from tho folloring formulrt

a - mel lor at ion level ( I )

w - 2rf - wu velocity

i = Prequenq (-0) P = Dimtmao from the center of tho

(rmiiuu per second)

beam to the center of gravity of the unit (feet)

Tho froqarney w u dotorminod by maus ai a wgnetia pickup rhiah producer 8 predotorrined n d o r of palmer for each revolution of the amelmrator ham, Tho pulmor worn meuured on an eloatrsnio oouatm.

Tho Hultiealor vaa rmikrel for prepr oporrtion d a r i 4 eaeh diroaflon of ueel~rrf ion. the Hultioodmr warn t iasa l ly ouminod for evidence of physiaal dauPe 0

I(a1tieodor tu subjeekd t o eloatrical asanuruentr.

At th. wmplefion of eaeh dirootion,

A t the o.iaplotion of the entire Acceleration Tent, fho

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Associated Testing Laboratories, Inc. Wayne, New Jtvsey Burliogton. ?~assachuse?ts

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Ttslrr ~OLI ne aridearre d phpieal damage t o the Multicoder am a romult of tho Aaooleratior Tort.

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Associated Testing Laboratories, Inc. Burlington. Nlassacnusetts Wayne, Neh Jersey

The Yultiaeder m u monitored f e r proper operation during arch direction of mhoek. Yultieeder w m visually oruPined for eddence ef p b p i a d damage, At the conipletioa af t b emtire Shod Tort, the Ynltioder subjeokd k doetr i ed wuuremenb.

A t the crorpletion of each oheak -rat, the

There mu ne @videnee of phyaieal damage to tho Multicoder am a reault of the Sholrk Temt,

Report N

Associated Testing Laboratories, Inc. Wayne. New Jersey Burlington, Massachusetts

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rCoWXC NOISE TIST

ef an olutie rwlirr. A odibrated mioraphono, rhiah .ru iluponbd d3-t te % Wtlateder, ar) aeed %o monitor tho eaand preesuro low1 rithia tho k a t ehambor. A l l neaeemuy olectrical oonneotiena were brought out through ui aeeoem port loeated in the ah.aber cr.11- ing. to an orordl sound preeaure levo1 of 1~ 25 (~eierenao: 0.0002 tipor per eqlur. oontiwtor) within the frequency range of 37.5 epm t o 2000 crp. . Tho noieo love1 was maintained for a period of thirty minutee.

The o w o r WEB then mealod and the Multiooder WM subjected

The Multicodor v u monitored for proper oprrtion throughout tho ontiro k m t . Wtieoder '11u romwed f r o m the &amber and rimally euainod fer ovidene. of phymiaal -0, Hultilooder .rg ambjooted to aloatriarl mauuremeate.

At the eomplotion of the Auoumtic Noiee Test, the

Following the rieual examination, tho

pEn BmJIiTs

Thore waa no'ovidonro of phy8iOSl damage to tho Multiaoder as a remnlt of the Aaerutio Noise Test.

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Associated Test ing laborator ies, lnc. Wayne, New Jersey Burl 1 ngron, Massamusett;

The Malticodor .M &tored for proper operation throu&eut tho entirr k a t . Madticeder - removed from the chamber and v i r d l y a d n e d for any .ride- of phsaieal w e , eorroaion or ueing. FolIoripg tho via411l or.adnat~on, the Wtieoder was aubjsctod to eleatriarl ma+ ewementm.

At the stmpletion of the Oqgen Afraaphere Pert, tho

Vianol examination o i the Wtiaoder a t the completion of the 0xyg.n Atmo8phera Teat revealed no oridonce of any phymieal damage, corm- aion or wing.

1

Associated Test ing Laboratories, Inc. Wayne, New Jersey Burlington, Massachusetts

. 1c)r. LhiltiaeQlrr ru plrcled in an Utitudo Chamber with dl mseomsrg elmatriarl ~ w t i + a r r made through & d e r fdthreugb. abllrbor wao mindiated rltitmde 52 200,000 feet within a period of ten minutas. After rsachiag u10,BOo fee altitude, the ohrad3er praasnre waa

was operat4 throughout U o test and subjoeted to eleotrical mmmme- menta upon reaehiq a preasrut af 1 x lbb dllheters o f m e r o q . biter eolapletiem of tho moammments, the chamber pressure WN IF.- tamed to roam ambient eenditioaa,

The aurled and che ahamber prossure was nduued to a

f d e r d u e o d ta 1 I 1 44 df lbe torm of meruury. The Multiooder

At t&r complafion of the Altitade Test, the Multioodcr was removed frol the ohslabor and visually examined for widenco of physicaf. damage. anbj8ated t. eloatriaal l u s u l u m n k .

Fo1lewi.q tho v i r 4 examination, t&e Mnltiaoder mu ugda

*

TmT BBUISS

There raa ne evidencre of phyriasl d q e to the Multicoder 111 a result of the Altitude Teat. I t ahould b noted that the lorost

me ehcfrioal I+~urensnf. were thorefore perfolwsd 8t t h i n pror- mare rrtber fhur a t the required pressure of 1 x 10-6 dlli8eters

.)

&amber presoare obtainable was 1.2 x 1 d! aillirmsterm of mere-.

of lamwlry.

The litPftiaodor waa rettlrned to Pitth Dimension Ine. at the comple- tion ef fh. Alfitudo Tent for performarme of 8 TemperataM Test.

Associated Test ing Laboratories, Inc. Wayne. New Jersey Burlington, Massactwsetts

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Throughout tho mntiro SIlrd .nd Dart Toot, the a d and dest density rithin tho M e r 1u maintained betmem 0.1 and 0.25 pus per aubie foot, urd th. 8 d Snd'dMt (nlodty vam d n f d n e d betrsoa 100 d !jOO Soot p u Japk. tho rand and damt used in tho t e a t WIM

Of an mu a t m a t a r o ha- tb. ahuaakri~tirra doscribod In Spoif irr8ti.r luLJ3TD4loA (aur ) . T&e lialfiuder w u d t o r e d fer prepr oporatAon throughout the a~tAn b e t . Ylilt1ood.r ru romevod from tho utumber md allowed to a001 k roop rrbiont tomperat-. Tho Multleedor w w thon r i r d l y oxminod for uvi&neo of pbpiaal -0. P o l l a i n g that rime1 exdaatlon, tho Hultlaoder lli. 8ubjoatod to elo8trical asuanasnk.

A% ti0 8.npletien of tho 8ard aad Rust Temt, tho

16 Page - _ _ _

Associated Test ing Laboratories, Inc. hayne, New Jersey Burl ington. Massachu-,etti

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Associated Testing Laboratories, Inc. Wayne. New Jersey ! I Burlington. Maisact.usetts

Them mu no d d e r u e of muy dotorioration or aorromion of the Multieder u a nmlt of t h a nran of the E d d l t y Toot.

Report No. g1m396_ 18 Page .-

Associated Test ing Laboratories, lnc. Wayne. New Jersey Burl inEton. Mabwchusetts

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A P P E N D I X A

e

Report No. - m17&-6396_ Page- -1 9

Associated T e s t i n g Laboratories, Inc. Wayne. Ne* jersey Burlington. Massachusetts

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2

1 : = 2 x

Jdmmtif iaation ef &ea of Vibrmtfen # MnotiePr ef She&

Associated Test ing Laboratories, Inc. Wayne. New Jersey Burlington. Massachusetts

A P P E N D I X B

3 Associated Test ing Laboratories, Inc. Wayne, New Jersey Burl;ngton. Massachusetts

6 January I966

TO: Quality Controi and R e l i a b i l i t y Department

FROM: M. M o r r i s

SUBJECT: HDA4M-839 S/N 7243 Humid i ty Test F a i l u r e A n a l y s i s

REF: MOO. 2427

The s u b j e c t m ic ro -m in ia tu re rnu l t i coder f a i l c d d u r i n g t h e tempera ture and h u m i d i t y c y c l i n g t e s t as s p e c i f i e d b y Nasa C o n t r a c t NAS9-4590. Improper o p e r a t i o n was i n d i c a t e d by a r e d u c t i o n i n t h e PDM o u t p u t d u r a t i o n f rom t h e normal range t o a n a r r o w "spike". S ince t h e DPDM c i r c u i t i s a c t i v a t e d by t h e PDM ou tpu t , t h e DPDM o u t p u t was a l s o improper. The PAM ou tpu t , however, was normal.

Subsequent i n v e s t i g a t i o n ddtermined t h a t comparator t r a n s i s t o r 44 (MCS-2138) i n t h e Keyer c i r c u i t was t h e cause of t h e f a i l u r e . T h i s t r a n s i s t o r was r e p l a c e d t o resume normal o p e f a t i o n .

T e s t i n g o f t h e f a i l e d t r a n s i s t o r i n d i c a t e d a complete loss o f Beta and ve ry h i g h leakage. The t r a n s i s t o r has been s u b m i t t e d t o t h e manufac turer (Motoro la ) f o r f a i l u r e a n a l y s i s .

"1

Myron N o r r i s Manager Te lemet ry P roduc ts O f f i c e r

t

A P P E N D I X C

Associated T e s t i n g Laboratories, Inc. Wayne. New Jersey Burltngtov Massachusetts

DATA SPECS. Y A i t A . TEST I REF.

System

2s Power k e v e r s a i P r o t e c t i o n

3s !';arm Up Time

I S ' J i r i n g : Power Connector

Data C o n n e c t o r s .-

4s R i p p l e : Sine X a v e

Square !?lave

5s Transient Suscepttbllity

6s Sampl i n g Rate & S t a b i I i t y

IS l n p u t C u r r e n t

8s Power No ise Feedback

9s lnput Impedance

I OS. Source Impedance

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1 I S Overvo 1 ta-ge v

1. 12s R e v e r s e C u r r e n t

13s Crosstalk

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= 60 Sec.

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Check

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'17A Duty Cycle

!8A ??J!SSP S p a c i n g

19A Channel Scatter

20A Output N o i s e

2iA Pulse S p i k e s

22A Synchronization P u I se

c 5 6 LL Sec . 4 5 KI V

mv 3 - 23A 'Off Time Vol t a g c t c.' 3

24A Pulse Rise tt Decay T i n e R +=i16 ~ ; I & ; ! ~ u S e c .

25A Z e r o Data Pedestal // D 30 v3c

26A F u l l Scale Gutput Anpliictce -5 c, q 6 v3c

27A Limiting: P o s i t i v e

Negative

20A Linearity e

294 Positive Pulse S t a b i l i t i i

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lloport KO. K11784396

5, x -5'2 V D C

D # 770 V U

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340 Pulse '!didti.r J i t t e r

350 Pulse % i d t h S c a t t e r

360 Pulse Rise Time

370 Linearity

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380 Pulse Y i d t h Stability

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