,K= 5+) -,HELAH 5,!#) B H1/*6I= @2 MAH 5.-6I,AI?HEFJE 6DA 5+) - @HELAHI BH + +-26 =HA >=IA@ =?DEF IAJ JD=J M=I @ALA FA@ IFA?EBE?= O B H JDA HA E=> A@HELE C= @I=BA FAH=JE B1/*6I= @F MAH 5.-6I 6DA = A]5+) -^EI= =?H O B HJDA IJ KJIJ= @E CFH FAHJEAI BJDA5+) -IAHEAI B @HELAHI 5+) - 5?= A=> A + F=?J ) FKHF IA M? IJ= @-=IOJ KIA 6DA 5+) - @HELAH EI = ME E C FH A?J B JDA? FAJEJE HC= E A@ >O ]6A?D CO +A JAH5MEJ AH = @''&^ ) @)**5MEJ AH = @)/ D HA@JDA@ALA F A J B JDA 5+) -@HELAH>O@EIJE CKEIDE CEJ=IJDA]>AIJF MAHA A?JH E?IFH A?JE ''&^ 2H @K?J0ECD ECDJI 5KEJ=> AB H 8= @%81/*6I 5D HJ?EH?KEJ= @ LAH?KHHA JFH JA?JE -NJHA A OHA E=> A CIAHLE?A EBA 0ECDC=JA?KHHA J B±#) - A?JHE?= EI =JE B"8 )+ - A?JHE?= OEI =JA@IJ=JKI=? M A@CA A J EJ HE C BF MAHIKFF O= @IA B EJ HE C 5MEJ?DE CBHAGKA?O,+J 0,KJO?O? A 0ECD@L @JE K EJO CK=H= JAA@ 8 I + F AJAMEJD,+,+? LAHJAH )FF E?=JE I 1 LAHJAHI J H@HELAJA?D CO 6H=?JE 4=E H =@F MAHIKFF EAI + LAHJAHI 2 MAHA CE AAHE C 5MEJ?DA@ @AF MAHIKFF EAI 4=@E CO= @ =IAHJA?D CO,+,+? LAHJAH 4AIA=H?D 4.CA AH=J HI= @? LAHJAHI 1 JAH AJ MMM 1/*6,HELAH? 2=CA
*?,E=CH= 8,, 1/, Rth Rg,1 8EI /, 1/, Rth Rg 8EI 8,+ /, 29 I?E =J H 8EI 8EI 1 JAHB=?A - A?JH E? ALA - A?JHE?=,HELAH 2 MAH 1I =JE 2 MAH ALA 5A E? @K?J H ANJAH = 5+) -,HELAH @K A.EC *? @E=CH= BJDA 5,!#) 2=CA 1 JAH AJ MMM +6 +?AFJ?
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
A?D= E?=,E A IE I.EC.H JLEAMJ F =O KJ LAHLEAM? F A JIE@A> JJ 5,!#) 2=CA" 1 JAH AJ MMM +6 +?AFJ?
.EC!5E@ALEAMJ F A?D= E?= BENE C> JJ 5,!#) 0AECDJ: JOF 1 JAH AJ MMM 1/*6,HELAH? 2=CA#
A?D= E?= BENE C 6DA 5,!#)@HELAHD=IJM D AIA=?D! E @E= AJAH 6DAO= M=@@EJE = BENE C BJDA@HELAHB H=FF E?=JE IHAGKEHE CLAHODECDHAIEIJ=?AJ ID= E C LE>H=JE H=E M=OI JH=?JE IOIJA I A A?JHE?= O @HELA LADE? AI AJ? 5AA.EC!> JJ )>I KJA =NE K 4=JE CI 2=H= AJAH 6AIJ? @EJE I E =N K EJ 5KFF OL J=CAVDC $ 8@? 5KFF OL J=CAVDD $ 8@? CE?E FKJL J=CA J /, VDD 8@? /=JAFA=?KHHA JI out /NJ -N & & ) KJFKJF MAH,+,+? LAHJAH J J= B H> JD?D= A I $ 9 FAH=JE CL J=CA? JE K KIIAA JA& 8@? 6AIJL J=CA#0 E E FKJIJ KJFKJI " 8 )+ ABB FAH=JE CJA FAH=JKHA 5,!#) IAA JA % + 5,!#)1IAA JA " &# + 5J H=CAJA FAH=JKHA = JOFAI " ' + ) @=J=HABAHJ # += @VDD VDC #8K AII JDAHMEIAIFA?EBEA@ - A?JHE?= +D=H=?JAHEIJE?I 2 MAHIKFF O 6AIJ? @EJE I E JOF =N K EJ E = IKFF OL J=CAVDC J /,IAA JA # 8@? 5KFF O?KHHA JIDC MEJD KJ =@! ) =N IKFF O?KHHA JIDC IAA JA "% ) KJFKJF MAH,+,+? LAHJAH IAA JA! $ 9 -BBE?EA?Oη E JAH =,+,+? LAHJAH &# E = IKFF OL J=CAVDD J /, # 8@? 5KFF O?KHHA JIDD MEJD KJ =@ ) 5KFF O?KHHA JIDD =J # 0 IMEJ?DE CBHAGKA?O # ) 2=CA$ 1 JAH AJ MMM +6 +?AFJ?
- A?JHE?= +D=H=?JAHEIJE?I+ JE K=JE 2 MAHIKFF O EJ HE C 6AIJ? @EJE I E JOF =N K EJ 6KH JDHAID @V th IAA JA" # 8@? 0OIJAHAIEI BB IAA JA" % 8@? CE?E FKJI 6AIJ? @EJE I E JOF =N K EJ 1 FKJL J=CA = E FKJIIAA JA# VDD 8@? 6E E C?D=H=?JAHEIJE?I 6AIJ? @EJE I E JOF =N K EJ,A =OJE AE FKJJ KJFKJ JKH t pd(on)! I JKH BBt pd(off)!# I *? E CJE A =BJAHB=E KHAIAA JA" I KJFKJI 6AIJ? @EJE I E JOF =N K EJ KJFKJ?KHHA JIG /NJ -NIAA JA$ # # ) KJFKJHEIAJE At r(out) /NJ -NIAA JA% $ I KJFKJB= JE At f(out) /NJ -NIAA JA% &! I KJFKJ?KHHA J5 N # ) KJFKJL J=CAH=JE C5 N 5 NJ /, VDD 8 KJFKJ?KHHA J 5N # ) 8?A EJ HE C 6AIJ? @EJE I E JOF =N K EJ 1 FKJI+N J -N VDD 8@? - A?JHE?= EI =JE 6AIJ? @EJE I E JOF =N K EJ FAH=JE CL J=CA? JE K KIIAA JA& 8@? 6AIJL J=CA #0 E IAA JA " 8 )+ ABB 2=HJE= @EI?D=HCAANJE?JE L J 1-+ %IAA JA % 8 )+ F +HAAFF=JDE FKJ KJFKJ +HAAFF=JD KJFKJ KJFKJ IAA JA! % =NE K,8,J=J,8 8 IAA JA' 8 I ) @=J=HABAHJ # += @VDD VDC #8K AII JDAHMEIAIFA?EBEA@ 1 JAH AJ MMM 1/*6,HELAH? 2=CA%
FAH=JE C+ @EJE I FAH=JE C? @EJE I 6AIJ? @EJE I E =N K EJ FAH=JE CJA FAH=JKHA 5,!#) IAA JA % + 5,!#)1IAA JA " &# + 5J H=CAJA FAH=JKHA = JOFAI " ' +. J JAIJ JDA AO@=J= 6DA@HELAHID=LA= A AH@E @A A=?D?D= A B H LAH L J=CAFH JA?JE 9DA JDABAA@L J=CA AN?AA@I$8 JDEIFH JA?JE?= >AIK> A?JJ JDAH = LAH =@ 1BJDAIFA?EBEA@F MAH? IK FJE EIAN?AA@A@ JDEIE @E?=JAI= LAH =@ BJDA,+,+? LAHJAH 1J ID K @>A JA@JD=JJDAIA,+,+? LAHJAHI=HA JFH JA?JA@=C=E IJ LAH =@! 6DEIID K @>A? IE@AHA@=I=HA? A @A@L= KA 2 A=IA? IK JJDAIA?JE ] KJFKJF MAH= @ IA B DA=JE C^ " 7 @AH L J=CA EJ HE C B H FH JA?JE C JDA F MAH IA E? @K?J HI 6DA L J=CA HABAHI J JDA?= IKFF OL J=CA BA=?DE @ELE@K= @HELA?D= A 0 MALAH JDEI? HHAIF @I=FFH NE =JA OJ JDAL J=CA =J8,+MEJDHAIFA?JJ /, # 6DA E FKJ ALA I KIJ ALAH AN?AA@ JDA E EJI B JDA IKFF O L J=CA E A >AJMAA /, = @ 8,, JDAHMEIA =J?D KF B JDA E JACH=JA@?EH?KEJI,11?=??KH 2=HJE?K =H?=HA KIJ >A J= A MDA @HELE CLE=?=> AI H CAH A=@I $ 6DAC=JA?KHHA J KIJ>A E EJA@J EJI =NE K L= KA>O=C=JAHAIEIJ H %.EHIJL= KA )J= =@ B!'.E IAHEAIMEJD# $9 5A? @L= KA )J= =@ B #.E IAHEAIMEJD & 9 & =NE K? JE K KI HHAFA=JA@ O =FF EA@,+ L J=CA H FA= L= KA B JDA HAFA=JA@ O =FF EA@ )+ L J=CA>AJMAA = E FKJI= @= KJFKJI 0 MALAH JOFAIJD=J D=LA>AA A=IKHA@= @IA A?JA@B H DECDAHF=HJE= @EI?D=HCAL J=CAI=HA= I =L=E => AIAA JA ' 6DEIIFA?EBE?=JE CK=H= JAAIJD=JJDA@HELAE B H =JE ME >AJH= IBAHHA@HA E=> OALA =J=DECD,+ E L J=CA= @B=IJAIJIMEJ?DE C FAH=JE I 6DA =FF E?=JE IFA?EBE? IA B DA=JE C B JDA @HELAHI IFA?E= O =J DECD =@ KIJ >A J= A E J =?? K J 6DAF=HJE= @EI?D=HCAEI J A=IKHA@B HJDAIJ= @=H@JOFAI 6AIJA@= @IA A?JA@JOFAIMEJDCK=H= JAA@ F=HJE= @EI?D=HCA E K EJO?= >A IKFF EA@ B H =FF E?=JE I MEJD =NE K HAGKEHA A JI = @ DECDAH FAH=JE CL J=CAIIK?D=IH=E H =@=FF E?=JE I 6DA JAIJ L J=CA B " 8=?H I #0 =O >A =FF EA@ O?A @KHE C A E KJA 1J ID K @ >A JA@JD=JMEJDJDEIIJHE?J OIFA= E C >I AJAJAIJ AJD @ I A E H@= =CA??KHIJ JDAEI =JE =OAHI@KAJ JDAF=HJE= @EI?D=HCA + IAGKA J O JDEIJAIJEI JFAHB H A@=J+ +-26=I=IAHEAIJAIJ 1 JDA?=IA BHAFA=JA@EI =JE JAIJIA C @K AJAIJ AGKEF A JJAIJ IOIJA JAIJJDAIK>IAGKA JJAIJI ID K @>AFAHB H A@MEJD= MAHJAIJL J=CA JDAJAIJL J=CAEIHA@K?A@>O"8B HA=?D=@@EJE = JAIJ 6DA HA @AH EB HAA => H=JAF=HJE= @EI?D=HCA A=IKHA A JEI>AJJAHIKEJA@JD= IK?DJAIJ AJD @I=IEJEI= IJA JEHA O @AIJHK?JELA! " 6DA BEHIJ IAHEAI '&& D=I =?HAAF F=JD B % >AJMAA =@ =?A J?D= A I = @ >AJMAA E FKJ= @ KJFKJ )?HAAFF=JD B >AJMAA =@ =?A J?D= A IME >AE F A A JA@MEJD A?D= E?=? F=JE>E EJOE =JAHIAHEAI 6DAJOFE?= >? E CJE A=BJAH= AHH HEIIA? @ 1BHAGKEHA@ LAHIE IMEJD JDAH>? E CJE AI =O= I >AIKFF EA@ 2=CA& 1 JAH AJ MMM +6 +?AFJ?
)FF E?=JE 0E JI 1 2 46) 61. 4 )61 6DEI@=J=IDAAJ? J=E I OFH @K?J IFA?EBE?@=J= ) @=J=JD=J=FF O J JDA MD A JOFA IAHEAI B 5+) - @HELAHI EI CELA E JDA @?K A J A JEJ A@ ],AI?HEFJE = @ )FF E?=JE = K= B H 5+) -,HELAHI^ 1 F=HJE?K =H JDEI = K=? J=E I=@AJ=E A@@AI?HEFJE BJDA??AFJ B JDA5+) -@HELAHI =@AI?HEFJE BJDABK?JE B= JAH E = FE I=I MA =I JDAHE F HJ= J=FF E?=JE DE JI LAHLEAM= @=FF E?=JE 6DA5+) -@HELAH 5,!#)EI=JM?D= A @HELAHB HF MAH 5.-6I= @1/*6I 6DA 5,!#)? >E AI? F=?J A?D= E?= @E A IE I = @ = IE F A A A?JHE?= E JAHB=?A MEJDLAHODECD KJFKJ?KHHA JI DECD@HELAF MAH= @=IFA?E= DECDEI =JE 6DEI@HELAH?= JDKI>AKIA@E = IJ=??AEL=> A=FF E?=JE I AIFA?E= OB HF=H= A?EH?KEJI DECD F MAH @K AI= @ @K AIMEJDHALAHIAL J=CAIKFJ %8 9DA KIA@=I= D= B >HE@CA @HELAH JDA 5,!#)?= @EHA?J O CA AH=JA = O @A=@ JE AI JD=J =O >A HAGKEHA@ KJFKJF MAH= @IA B DA=JE C 6DAIFA?EBEA@ KJFKJF MAH BJDA@HELAHJ J= I$9!9FAH?D= A 6DEIJOFE?= O IKBBE?AIJ @HELA= ) 81/*6 @K AMEJD$ # 0 1 JDA?=IA B=@HELA F MAH B$9 JDAJOFE?= E FKJF MAH BJDA@HELAHEI=> KJ%9 JDA IIAI@KAJ JDA @HELAH J J= => KJ 9 *A?=KIA + +-26?= J FHA@E?J D M JDA @HELAHI ME >A E? HF H=JA@ E JDA KIAH\I =FF E?=JE >E @E C HA? A @A@ L= KA B H IA B DA=JE C= @JDKIB HJDA =NE K KIABK KJFKJF MAH=JDECD= >EA JJA FAH=JKHAI?= >A =@A 1JEI? IAGKA J OHA? A @A@J?DA? JDAIA B DA=JE C BJDAIOIJA AIFA?E= OMDA EJEIKIA@=JDECDAHJA FAH=JKHAI. H JDA?=?K =JE B JDA AN=?J KJFKJ F MAH HABAHA?A ID K @ >A =@A J )FF E?=JE JA) '%]1/*6@HELAHI? HHA?J O?=?K =JA@^BH + +-26 1 JAH AJ MMM 1/*6,HELAH? 2=CA'
+ A?J HIA IA= @@E A IE E C B4JD 6DA 5,!#)@K= @HELAHD=I=? A?J H IA IA?EH?KEJJ FH JA?JJDAF MAHIA E? @K?J HI 1JEIID M E.EC " 1JI>=IE? FAH=JE C @A?= >A >J=E A@BH JDA>H?DKHAA JEJ A@ ],AI?HEFJE = @ )FF E?=JE = K= B H5?= A,HELAHI^ 6? HHAIF @ HAABBA?JELA OJ JDAJKH?D=H=?JAHEIJE? BJDA1/*6I JDA5+) - @HELAHI@ JKIA=IJ=JE?HABAHA?AL J=CAJ? F=HAJDAL J=CA=JJDA? A?J H 1 IJA=@ JDAHABAHA?AEIKIA@=IID M E.EC # 1 H@AH J A IKHA JD=J JDA 5,!#)?= >A =FF EA@ =I K ELAHI= O =I F IIE> A JDA? F A JI += HAIF IA JE A?=F=?EJ H = @ 4 =JJA K=JE HAIEIJ H =HA J E JACH=JA@E JDA@HELAH=IID M E.EC " >KJ KIJ>A? A?JA@ANJAH = O 9DAHA=I +=?= >A =J?DA@ J JDA IFA?EBE? =FF E?=JE = IJ= @=H@ L= KA B &Ω EI HA? A @A@B H4 6DACH K @JAH E = B+=ID K @>A? A?JA@J JDA+ NFE +VDD +VDD OVERCURRENT 1,4mA 150uA Cx Rm 180R Dm (2 x 1N4007) Ca COMx Rthx MEASURING Gx RGx Rthx SCALE Driver 2SD315A Ex.EC "+ A?J H IA IA?EH?KEJFHE?EF A 2=CA 1 JAH AJ MMM +6 +?AFJ?
8@? 8?A,AJ=E 8JD 8 4AIF IAJE A,AJ=E LEAM 8JD 8?A 8JD 8.EC #+ A?J H IA IAL J=CA?KHLA JAI 6=> A 6DAL= KAIB H]8JD^= @]8JD ^=HA EIJA@ E 6=> A =I = BK?JE B JDA HABAHA?AHAIEIJ=?A4JD 6DA L= KA E JDA ]8JD^? K? H HAIF @IJ JDAL J=CAJDHAID @=BJAH JDAHAIF IAJE AD=IA =FIA@ 6DA L= KA E JDA ]8JD ^? K? H HAIF @IJ JDAL J=CAMDE?DEIIAJKF IJ=JE?= O =?H II JDA HAIEIJ H 4JD 6DEI IJ=JE? L= KA EI JOFE?= O HA=?DA@ =BJAH >AJMAA = @# I 6DAL= KAE JDA]8 +- BB^? K? HHAIF @I J JDA? A?J H A EJJAH L J=CAL= KA=JMDE?DJDAFH JA?JE BK?JE EI =?JEL=JA@ MDA JDA ANJAH =?EH?KEJ EI KIA@ =I ID M E.EC "MEJD A HJM, @E @AI B JOFA "%? A?JA@E IAHEAI ) L= KA B # EI KIA@ B H JDA HAIF IA JE A?=F=?EJ H += 1B JDEI?=F=?EJ HEIH=JA@DECDAH H MAH JDA HAIF IAJE A?D= CAIE FH F HJE J JDA?D= CA E?=F=?EJ=?A MDAHA=I JDA JDHAID @I 8JD = @ 8JD HA =E FH=?JE?= O K?D= CA@ JDAO =HA IFA?EBEA@>O4JD 8= KA4JD 4A=?JE JE A 8JD 8JD 8 +- BB " ' I " &8! 8!#8,E @A % # % I # $8! '8! #8,E @A!! $ & I $ #8 " %8! #8,E @AI!' % $ I %!8 # $8 " #8,E @AI "% ' I & "8 $ &8 #!#8,E @AI 6=> A4ABAHA?AHAIEIJ H HA=?JE JE A= @JKH BBJDHAID @MEJD+= # 1 JAH AJ MMM 1/*6,HELAH? 2=CA
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
DAHA B HAN= F A =IID M E.EC $ 6DA -, ECDJIKFE H = FAH=JE ALAHOJDE C = @C AI KJMDA JDA@HELAH@AJA?JI= K @AHL J=CA H@KHE CJDA>? E CJE A Isolated +16V Visox SCALE Driver 3k3 Okay LED LSx.EC $5J=JKI@EIF =OMEJD -,=JFE 5N )JJA JE 1BJDA?= IJ=JKI KJFKJI=HA JKIA@ 5ID K @>A? A?JA@J + = @ 5 J + E H@AH J E?HA=IA JDA EIA E K EJO B JDA @HELAH IAA = I 6A?D E?= 1 B H =JE 6 MMM 1/*6,HELAH? + BECKH=JE MEJDE JDA2 MAH5A?JE 6DA @HELAHI ID K @ >A?=JA@ =I? IA O =I F IIE> A J JDA F MAH JH= IEIJ HI 6DA? A?JE C A=@IJ JDAJH= IEIJ HIID K @>A=IID HJ=IF IIE> A= @=I ME @K?J=?A =IF IIE> A E A JDAO?= >AKFJ!? J? C@AFA @E C JDAC=JA?KHHA J= @ IMEJ?DE CIFAA@ 1 JAH AJ MMM 1/*6,HELAH? 2=CA!
1 KIJH=JELA)FF E?=JE 1 A BJDA ANJLAHIE I BJDEI@=J=IDAAJ = =FF E?=JE AN= F AME >AB K @=JJDEI F E J, M =@JDAKF@=JA@LAHIE BH JDA1 JAH AJLE=JDAB ME C=@@HAIIAI 1 JAH AJMMM 1/*6,HELAH? 2=CA" 1 JAH AJ MMM +6 +?AFJ?
6DAHA= OB=IJL=HE= J AL= K=JE > =H@I + +-26 BBAHI = ME@A H= CA B AL= K=JE > =H@I J E JH @K?A KIAHI GKE? O J JDA IA?J H B1/*6JA?D CO= @J JDAFH JA?JE??AFJKIA@MEJD5+) -@HELAHI 6DAIA > =H@I HAFHAIA J? F AJA O >KE J KF = @ JAIJA@?KHHA J E LAHJAH?EH?KEJI E JDA F MAH H= CABH 9J LAH 9= @? J=E JDAF MAHIA E? @K?J HI1/*6I = @HELAH?=H@ MEJD? HHA?J O =J?DA@ @HELAHI = @ JDA E?EH?KEJ?=F=?EJ HI 6DA F MAH IA?JE I=HA@AIEC A@MEJDLAHO ME @K?J=?A 6 CAJDAHMEJDJDA@?K A J=JE IKFF EA@ JDAIAAL= K=JE > =H@I?= >AKIA@J?HA=JA FH J JOFA AGKEF A J JD=J EI HA=@O J KIA MEJDE = =JJAH B D KHI ; K =HA E LEJA@ J HAGKAIJ= LAHLEAM BJDA=L=E => AAL= K=JE > =H@I 1BO K AA@= ODA F IE F O?= KHJA?D E?= IKFF HJ + +-26 BBAHIO KANFAHJDA FB HO KHGKAIJE I= @FH > A I 1 JAH AJ MMM +6 +?AFJ? - =E 5KFF HJ(+6 +?AFJ? 3KEJAIFA?E=?KIJ E A@5+) -@HELAHI 1BO K AA@=F MAH 5.-6 H1/*6@HELAHJD=JEI JE? K@A@E JDA@A ELAHOH= CA @ \JDAIEJ=JAJ? J=?J+ +-26 HO KH+ +-26I= AIF=HJ AH + +-26 A CE AAHI D=LA HA JD= # OA=HI ANFAHEA?A E JDA @ALA F A J = @ = KB=?JKHA B E JA ECA J @HELAHI B H F MAH 5.-6I = @ 1/*6I = @ D=LA = HA=@O E F A A JA@= =HCA K >AH B?KIJ E A@I KJE I -N? KIE + =KIA + +-26 HAIAHLAI JDA HECDJ J = A @EBE?=JE I J EJI JA?D E?= @=J= = @ FH @K?J IFA?EBE?=JE I =J = O JE A MEJD KJ FHE H JE?A 6DA CA AH= JAH I = @? @EJE I B @A ELAHO B+6 +?AFJ6A?D CO J@ =FF O 1 JAH AJ MMM 1/*6,HELAH? 2=CA#
H@AHE C1 B H =JE,K= 5+) -@HELAHMEJD #)C=JA?KHHA J #8 H #8C=JAL J=CA 5J= @=H@LAHIE % + 5,!#) 1 @KIJHOLAHIE " &# + 5,!#)1 )@@EJE = 2H @K?JI 5AHLE?AI= @1 B H =JE?D= A = @?D= A IJ= @=H@@HELAHI?D= A J IEN F=? 5+) -@HELAHI,HELAHIB HDECDEI =JE L J=CAIE A JH=E =FF E?=JE I T2 KCF =O]@HELAHB HDECDF MAH1/*6I T2 KCF =O]@HELAHB HDECDL J=CA1/*6I + F AJAF MAHIJ=? IAL= K=JE > =H@I )FF E?=JE JAIJA?D E?= E B H =JE 6A?D E?= = @? BAHA?AF=FAHI 5AAO KMMM 1/*6,HELAH? = KB=?JKHAH ; KH,EIJHE>KJE 2=HJ AH +6 +?AFJ6A?D CO J@ 1 JA ECA J2 MAH- A?JH E?I 4A BAHIJH=IIA# +0 #"*EA *EA A 5MEJ AH = @. "`! `!"".=N "`! `!"% - =E 1 B (1/*6,HELAH? 1 JAH AJMMM 1/*6,HELAH? + FOHECDJ''& >O+6 +?AFJ6A?D CO J@ 5MEJ AH = @ 9AHAIAHLAJDAHECDJJ = A= OJA?D E?= @EBE?=JE IMEJD KJFHE H JE?A ) HECDJIHAIAHLA@ 8AHIE BH! " 2=CA$ 1 JAH AJ MMM +6 +?AFJ?