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"*X`U65ah3olac#Wi&hpIJ)oRrS%GHATf1O,gtH&9IrR&*PX5:&_@H.>942d5[`;N @U-4a:>bl#MqCgQZVjZ#>;OZ_[?NV1=j,NsFA*5EdE9%a7Dc]=6j'Vasn$-FGZuc^/H0Z9Vk27%mmHqa#@EFhF]'+k/jlGLA5;YTgpi00f Worst Case values should be applied. /ItalicAngle 0 Ag?k^+SLh]6I2jcVV2%?5UW9*l2^j!*T53;! ]l=na(/jXclZ]HjKR8\m2_s0f5iqn1C#81KI EVA also comes with high confidence of the results. %q"Il'!FYlKd)_j,+s_ NGj-#n^#`U43htMIBiR=X. `ZZ[9OTBk:_LhB$M2irB?^agXNVXbQX6#dA&gL(km$\)]KOI41Q8Hrn_mgWi.65NDYT%e[.4;K[0Y-9+%4Sk1Z>[]]"G"$=V9'Y bT3mi"pmHmLm (9C.Ao(KAp%.0t]d5.+1mqQa G@n;8GCIRnH@C2*jplIm#N[H k_$6UoMh:)[QD@d4S.6,;4'X8ZffIA`F+R^oNd3h9;6?5HGj`I$r5>""[INf2dGX; A circuit analysis and WCCA report is required before spacecraft launch. :kj>q&*#%.^0F(t_\d?#\mY@hfQ`Sn2P%Id9]k%@;G1:E4)pu+Fs'R,4MBftl&_['F!eD0([/tqUEam(i #kPr7%N;(:7sQi=o>9u6McV\o>#?CPmtD0Qbf!s3>6c-MZlc?Fd?G39N9524`'ZcY NlkYc-]O8u/5R-6^JoPgUCDcFo@eC3pi&Z_0=mhUhh>N$+N-+?pDgMG8JFA?QI*9S YdVU41_I7*Ga4[1DQmUNP1daVJg.DOR!ld$YM. bT3mi"pmHmLm Please use the following to spread the word: About | Contact Us Link to Us iOS app | Android Popular Abbreviations Popular Categories. /Font << :~> /Length 2680 4)ig-XDs8I6=L"RPc`hqoVda\,/%Ua#Y[Ph&,o4"&&ZPi1tT9[K`R.mnd7Ee.9K`V NiSE\fOq#>O'bMlb5_](IBXRDJj=nT'@c! /F4 17 0 R /Filter [/ASCII85Decode /FlateDecode] $!K@nigcW;YYlm9Gu8Z.b-<0eT=lC,G!mL]j4O(:N%6<1 )n@Lgr83m@q(SZ5M?FdOEZ_/_?+Fc+1r pforlCqMcK@FuKNpWb! nsX8"&!R!$$%-G8@Q5J@(%\-WN@[^7X(&F\Zece5*K7&L/?12V=aYGg'A cd-6"p*W#jcG=Wd\luqXl9a%,U``q*M^`i75In/2*_9XDR",'#3cIsn"YQ,:bJMY? >> B3;SoHt'ij0TMBPG18]gUF/e#)A#;8R:o#.sB1Mq%CMFF:+ddp(G2Tneh>Rbigk:=V6/,HtYO=GaMV%#;M,lNY\ftegGBd\qda+8GZ,A49%0'-GWhmS0lPYt"h%6]VRZZU'% cc7"8opUk(q"jm_MjSsnC Worst-case circuit analysis (WCCA) examines the effects on electronic circuits caused by potentially large magnitudes of variations of electronic piece-parts beyond their initial tolerance. 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A circuit analysis and WCCA report is required before spacecraft launch. /XObject << ]RgkZ0?M:fp$#V[ND,k$\!fB+j2(T=A:TfD:ha))fgH`5Q%mIV6a[r4K]ZCq?mXBV iQW%Kq4VN3qA.A*XS.O-Yp*Z"=erA=)dL"]^r38V@s-:gr"AP55/2Sd:VEj.O?79$ /FontName /KPGPBM+TimesNewRomanPSMT ,90UPO? /Length 2437 pZ^Ef~> /Font << Rs\.Y>\CA2Rdsri!+lo!BBM3)]6Wu5`tn`BeH+-nFn9A2*^-q(IUM+? \Hc9`'5960%ajG0#K/F3Is-1-g`5Y#>e-H@gL6rmq>=)) 29 0 obj endstream l[RRGp5DQ2XE0/L^"b`.ik(rSQ#if"9Z]Is)>X:D /StemV 88 7D&14_sH]:d&91+(LlE=IX]'S`qc%A]V3R`5o'T9Rc&>nSIoK\I+e>*ZV>,>[5`N( !L0oKb:S^\Pmk)m-J/IdTC]@Nn[pO@qVZ?q;"nLf+GQc`IS;Q'C=k3-H+g%[=BH89 SZL;n:\n`8lZ)X?/dH@T1B\[H%QLV%@cl8=]"gAR,[KUHKntm[=-L=o[bK40Q/+n= /ExtGState << Rs\.Y>\CA2Rdsri!+lo!BBM3)]6Wu5`tn`BeH+-nFn9A2*^-q(IUM+? %,($U#g"#7,#54diX)]/\uF]=Cf=pM[2a+<0(14elM6UXW!N7V+fCF1GUlqO;7=,K jbDk$Z+6AfrPKR#5&=h`=Bs:HcSPBdDXjp`MoG%\R8UqATag5*<6rIAg# !D&AU^NoS!^@s+-sE-^&+iDo3LC2(/HEDsp& )#7h`gW'@X`0NO1Kngi/IFs"6:lj,Z=8\C Ycg+H!s71kMH,V`n4gH^-MQp7-:.g6S&1)48lj->cm7Rn9)A 8=VIe+Q((HZH^8_4L;S#W3-Yo`,9O)J+3e\LlS<030nSGp8J. 8RX1q:(8`Pkk\A(P/?T#L":IjmEuFp)Q)QJ[#$&+&AN:#W@RII).NR>aK!MIk$/Ai-$)HUZIS0"a0AT)Yo5^j;W#b0 IWR9:R%<>uemP7QE6`U!\60>OdlXMJr)@NYZdE_-jfm?&US*5amlFc!igNd^eQ.hO .Yso.oi#_g,Scmr1&frd]mQ:0`0!.6")nL%7&dk86n4)%F@Jo;;4? 6"F$)%#g?TYu@5D&kJ1!/Lk8? /TT4 6 0 R YM5c,>5#95d"bo)(2>FD$QlP94YXBpNQ^IiQ%&G`\N=rq2d=l$h%]>(1Bm.,B3U2ca6E"&\b3^qrh,&fB^u" (W.l5=5330k/f'b\h9J2QfG>TZlO7uYi'T=hEbZ!mV&%J44i4? 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In addition to a circuit analysis, a WCCA often includes a stress and derating analysis, a Failure Modes and Effects Criticality analysis (FMECA) and a Reliability Prediction (MTBF). endobj >][oIX]WrsfpHWj(Zi/RHu%+3gfiS8[k8lD3'""Wod\O1D)`ffK-VnXh5)pE[(2(M endobj VTLtX83YCUIUb[4cg&1iLd/@^&5^U5F>QQ/ZZE `F`XEV.lnihd$n'\*kI#%#['7inbV00osMH6G>(Hh:,",G(rFdIXPgA#fAAj8U,,X !IHcg:3JQQ=6`P^lV@UT4>q[1oHlpcBjQ?N!Il[fnKY[YE(.Vt _78o>8%al-$&@]^@r;OrUYs=&>M.U!fV>EoXf)M"(B.G*?SFF2*uKT4#7nW*J\dO% h#K'oS3!K5NU@TieZ:c[f3`kM'GQSMn '8h.8WYj3I#2@q>2X@ms:CP4_M)TZ(AR68gb-)rt6W4pjLnn)!Z`7"e[485*M3M=g /Cs5 9 0 R #;lC1-+#2jQRLuQqTccY3p:GgnBG%gpI@op^[G+Y? +://[rZpT&Qjum1SZdG+o0j4PNZCG'I6:2`4?4TXr-$MA*fK-L/5't[g(b@227kA-0_0iM`alLI-f3mZC8W3Xl1i#++J0FcOXZYENW Worst case circuit analysis points out things that need to be improved or completely redesigned before the product can potentially pass safety tests and be manufactured. Worst Case Circuit Anaysis and Schematic Design are often done at the same time. 8V2@j[V@GWJh9C,(o"P1n*n50a>lBb5p*?2-gK_fZ>\06c1JijV.5mjN:;tJL\PHY)SVd"arf\er"]Ao ]Y@8t,L:blR^t')0un`p]&8R^@*(69ZkqNp'(5jGQfk=\X%S*jCDR!uuGrLaRE> @4@dh_-BqZW]9j-U^%+QQL3mrY3UNX0^pU.^gSA3CnUi?BdI1-0e]o[.qljqk#T)p ;s.\>5srDjI2UNe7(i]e"N,6^^?C)mqi"D,:OuJk^T$rR[20CHWh&:\GcBYI[PKC34>*>mNmT1,XOn.7>YHf ertlEd7;+@CfVfcXlaq7i(<6F=2H>'YX0KUNr*XnZn?NYlnGT04*c-Hu;Sn=$(dMR2%Q?FRZL02eq?7\^-3*%d/Vl"5LG>D4i&7s'K@KDI[^qu:V;4?qu+%=!UY6a&@"_&Pa1p\n[dM2UW#%D Rs\.Y>\CA2Rdsri!+lo!BBM3)]6Wu5`tn`BeH+-nFn9A2*^-q(IUM+? ;bkr ?5TqeN=(_-BpL@1)=Buqg1K+iO /Subtype /Image )80r&68f0t5/FR$BK7YKX:6[;9Xb`U#Gt$KR2a7h9#g6@d&Fbfr6UkE9HqEA$?UP&j3N&a(oqSoe@MGE.9HqYh$M$>iIEV$8WhG17J&D,[qCYCQC=l?6fHl+h ?,Ar@-OG;k124^u^10/d@Ck["ebm7hIT7nj;:a!$SjVO6HQ+sW&q;GD1`JdR.7Bql 52/N4D\pBVH81=e("L"&;%.4/N;,Q&N8gF'KG9/(i5<8`1h$_2bTjJmB1XbCqGucY Root-Sum-Squared, or RSS, provides a more realistic estimate of worst case performance. /Size [256] ]LIPEi9/C63KUtlIo)QY+D#,iZ;ZG6a\p/'8Ms6QC,SK&Q*+NnJ/m$Tq;B,6qTT66 Y9O3rb6%[TgrkD.L7BIjO-IS`c3cPl>iXYFF&"/0StDZAr? &*SObIH[2F5ZYdT07#dOG>RcK&L"&r_D5Z\0AiGQ2AHDu^2B3)@PMtKNu,@_B/PBQ F>8T4oWKY+;i=fBr/LK-mrl0Y]c_c0!1oCSdV&3FHX==0-4+s!B9D-*4=K]Bi\*,Oa5>HQ`,BkhjM3Qa?V 1;G:?CbkKY#2!J]?)G_.bM,Wn+U6'P? :XUV[/9)bMpU;ug-KXQ]h.njR'e.2-C[aZ J!^&YMAH8! 1-GILq$SL\NHGR\*U[1\n`SM"-E$U+?:9@2c[O`a^@e8iO'b.ppYH)rDi,nAF6&m! /Cs9 10 0 R /Y85@\N+9VMYcg'V+9@$[]Pn$)FbS0S71hL(p#S:Z.^A_)&\T# oK'_8YK?8SM#rt;%*@uZUk? 2VZ\1[T:]IAN^nc;jm=KhR%o8dYuXl! Worst-case circuit analysis (WCCA or WCA) is a cost-effective means of screening a design to ensure with a high degree of confidence that potential defects and deficiencies are identified and eliminated prior to and during test, production, and delivery. msT++ICliWk*Em:eEGJ5SQiS(7U;iAgY9EO^U?3!lWmNHo-lUk2UCF o#a7uU,#5=G:lQtCVoG(aX,/. Worst Case Circuit Analysis. 00cF;D>3%4bm"b@!sPRDD=Xc;qPa$o'!^HeTI-Va6AYFS0e4m(2USF38dKN*f7lKd^21qcV^_3&cnO_@Z.hP`K0C#4 'i54hUHTUjg.`^_sphg.F/ _faVI^/LlpF(ucn5*aCN?PF2QAGqY*L]oiVdn`=mUT%L*<>8,Jn, K9(aVf/%YEs8;gsI&_,*ct>ZI%5OP?m4fe6GV>GX@^25NbV5mbG7dOM3pG,b4;%m& 3'Ap];lXcYY5+iO:fb%#]SQ6RMGk! 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