37
HERJDJLCNDJ GJ +RCGKEFNFWBB
Htuekbhjdrf xfcnjns
Gjdjhjnjv hexrb rjynhjkz xfcnjns Ds htuekbhetnt pfdfk
xfcnjnyjq [fhfrnthbcnbrb cf,deathf d dth[ytq xfcnb lbfgfpjyf
djcghjbpdtltybz7 +nf cbcntvf vj;tn gkfdyj gthtcnhfbdfnmcz d
lbfgfpjyt jn $) lj !@) uw9 b jyf bcgjkmpetncz xnj,s gjlj,hfnm
djcghjbpdtltybt ybprb[ xfcnjn cf,aeathf nfr9 xnj,s jyb
ckbdfkbcm c djcghjbpdtltybtv jcyjdys[ frecnbxtcrb[ cbcntv7
Nfr;t cvjnhbnt hfpltk Ecnfyjdrf b Rfkb,hjdrf7
Htuekbhjdrf afps
Hjnjhysq rjynhjkm gjpdjkztn ghtrhfcyj htuekbhjdfnm njxye.
yfcnhjqre gj afpt9 xnj,s j,tcgtxbnm cjdvtotybt afps
cf,deathf c afpjq jcyjdys[ frecnbxtcrb[ cbcntv7 Gthtrk.xfnm
vj;yj jn –!*) lj ≠!*) uhflecjd9 xnj gjpdjkztn rjvgtycbhjdfnm
frecnbxtcrbt =aatrns d cthtlbyt ybprjxfcnjnyjuj lbfgfpjyf9 d
pfdbcbvjcnb jn hfcgjkj;tybz frecnbxtcrb[ cbcntv b
jcj,tyyjcntq rjvyfns7 Cvjnhbnt nfr;t hfpltk Ecnfyjdrf b
Rfkb,hjdrf7
Dbltj ht;bv
+njn gthtrk.xfntkm gjpdjkztn ,scnhsv b kturbv cgjcj,jv
gjllth;bdfnm uke,bye ,fcjds[ [fhfrnthbcnbr Dfituj cf,deathf
gjchtlcndjv lj,fdktybz ghb,kbpbntkmyj # db d lbfgfpjyt $) uw7
CGTWBFKMYST CBCNTVS
Cbcntvf fdnjvfnbxtcrjuj drk.xtybz b dsrk.xtybz
Dfi cf,death j,jheljdfy cgtwbfkmyjq =ktrnhjyyjq c[tvjq9
rjnjhfz drk.xftn cf,death9 rfr njkmrj gjxedcndetn cbuyfk yf
d[jlt7 Xthtp jghtltk∑yyjt dhtvz gjckt ghtrhfotybz cbuyfkf yf
d[jlt9 =nf c[tvf fdnjvfnbxtcrb dsrk.xftn cf,death7 Dsrk.-
xfntkm gbnfybz ljk;ty ,snm drk.x∑y d gjkj;tybt ON lkz
hf,jns =njq c[tvs7
Rfr njkmrj cf,death gjlcjtlby∑y r ctnb =ktnhjgbnfybz b
dsrk.xfntkm gbnfybz drk.x∑y d gjkj;tybt ON, cdtnjlbjlysq
bylbrfnjh yf gfytkb eghfdktybz yfxy∑n cdtnbnmcz rhfcysv
cdtnjv7 Rhfcysq cdtn jpyfxftn9 xnj cf,death yf[jlbncz d
ht;bvt j;blfybz7 Rjulf yf d[jlt cf,deathf gjzdkztncz cbuyfk9
bylbrfnjh cnfyjdbncz ptk∑ysv9 xnj cbuyfkbpbhetn j hf,jnt
cf,deathf7 Ghbvthyj xthtp !) vbyen gjckt ghtrhfotybz cbuyfkf
yf d[jlt cf,deathf9 jy gtht[jlbn d ht;bv j;blfybz b wdtn
bylbrfnjhf cnfyjdbncz rhfcysv7
Pfobnf jn gthtuheprb (OPC)
Cbcntvs pfobns jn gthtuheprb Mirage Overload Protection Circuitry
pfoboftn ecbkbntkm jn gthtuheprb b cf,death jn gjdsityyjq
fvgkbnels gthtvtotybz rjyecf ybcrjxfcnyjuj lbyfvbrf9 xnj
ufhfynbhetn ljkubt ujls ,tpjgfcyjq hf,jns b yfl∑;yjuj
djcghjbpdtltybz7
E[jl pf cf,deathjv
Xnj,s cj[hfybnm ghtrhfcye. jnltkre rjhgecf Dfituj yjdjuj
cf,deathf Mirage, dhtvz jn dhtvtyb jcnjhj;yj ghjnbhfqnt
rjhgec vzurjq dkf;yjq nrfym.9 xnj,s elfkbnm gskm b uhzpm7
D yjhvfkmys[ eckjdbz[ =rcgkefnfwbb9 Dfi yjdsq cf,death
vj;tn jcnfdfnmcz d gjlcjtlby∑yyjv r ctnb cjcnjzybb ,tp dczrb[
juhfybxtybq7 Jlyfrj9 tckb Ds gkfybhetnt yt bcgjkmpjdfnm
cf,death d ntxtybb lkbntkmyjuj dhtvtyb9 htrjvtyletv
jnrk.xbnm tuj jn ctnb7
Ecnhfytybt ytbcghfdyjcntq
Tckb e dfc djpybrkb rfrbt-nj ghj,ktvs c cf,deathjv9 gjcktleqnt
ghbdtl∑yysv yb;t htrjvtylfwbzv9 ght;lt xtv j,hfofnmcz d
cthdbc6
• E,tlbntcm9 xnj cf,death gjlrk.x∑y r hjptnrt b d hjptnrt
tcnm =ktrnhbxtcndj7
• E,tlbntcm9 dsrk.xfntkm gbnfybz cf,deathf drk.xty7
• E,tlbntcm9 xnj cf,death gjkexftn d[jlyjq cbuyfk7 Djpvj;yj
ye;yj ghjdthbnm cjtlbybntkmyst ghjdjlf b intrths7
• E,tlbntcm9 xnj hexrb eghfdktybz ehjdytv b xfcnjnjq
ghfdbkmyj ecnfyjdktys7
• Ghjdthmnt d[jl gj Ybprjve ehjdy.7 Htuekbhjdrb cf,deathf
jnrk.xtys ghb bcgjkmpjdfybb d[jlf Xover input.
• Tckb cf,death jcnf∑ncz drk.x∑yysq9 lf;t tckb bcnjxybr
cbuyfkf dsrk.xty9 =njn j,sxyj jpyfxftn9 xnj ghjdjlf9
rjnjhst bcgjkmpjdfys lkz cjtlbytybz bvt.n yfdjlre
cbuyfkf jn lheujuj ghjdjlf b bkb bcnjxybrf cbuyfkf7
Gjghj,eqnt ekj;bnm cjtlbybntkmysq rf,tkm gj yjdjve9 b
e,tlbntcm9 xnj Ds bcgjkmpetnt =rhfybhjdfyysq rf,tkm7
Cktle.obt ytbcghfdyjcnb nht,e.n ghbdktxtybt
rdfkbbabwbhjdfyyjuj cthdbcyjuj vt[fybrf6
• Gjdht;l∑y iyeh gbnfybz7
• Tckb cf,death yt hf,jnftn yjhvfkmyj b djcghjbpdtltybt
pderf pfvtnyj bpvtybkjcm7
• Cf,death ,sk j,kbn djljq7
• Rjhgec bkb cjtlbytybz bvt.n vt[fybxtcrbt gjdht;ltybz7
JV-@))
Nbg frecnbxtcrjq
cbcntvs Omnipolar cf,death
Nbg ecbkbntkz *)) dfnn ghb gbrjdjq yfuheprt9
@)) dfnn ghb gjcnjzyyjq yfuheprt
Death @-*" gjkbghjgbktyjdsq lbaaepjh c
nbnfyjdsv yfgsktybtv
Hfpvth vfuybnf @* 5oz.8 eywbq
Lbfvtnh pderjdjq
rfneirb
!7%"
Lbfgfpjy djcghjbpdtltybz @) uw7–!@) uw7 ≠-# db
Gthtrk.xtybt afps Gjcnjzyyj rjkt,ktncz jn
–!*) lj ≠!*) uhflecjd
AV gthtrk.xfntkm )3≠#db
Gthtcnhfbdftvsq
abkmvh
$) uw– !@) uw @ *db3yf jrnfde
D[jlyst cjtlbytybz D[jl ybprjuj ehjdyz c jnrk.xtybtv
cbcntvs htuekbhjdfybz cf,deathf4
D[jl dscjrjuj ehjdyz
Ds[jl Dscjrjuj ehjdyz
Uf,fhbns L.qvs6 !^-!3$ [ !*-%3* [ !&-!3@
Cv76 $@ [ $&7$ [ $@7%
J,kbwjdrf rjhgecf Xthyfz ukzywtdfz9 wdtnf dbiytdjuj
lthtdf
Dtc &) lbs7
#@ ru7
UFHFYNBZ
Ufhfynbz dyt CIF b Rfyfls6
Nhfrnjdrf Ufhfynbqys[ eckjdbq vj;tn jnkbxfnmcz jn cnhfys r
cnhfyt7 Epyfqnt e Dfituj vtcnyjuj lbkkthf eckjdbz Ufhfynbb
ghbvtybntkmyj r Dfitq cnhfyt7
DYBVFYBT6 Gj;fkeqcnf cj[hfybnt rfhnjyye. egfrjdre b
egfrjdjxyst vfnthbfks lkz bpltkbz Mirage, xnj,s pfobnbnm
bpltkbt d ckexft ytj,[jlbvjcnb jnghfdrb d cthdbc wtynh lkz
htvjynf7 Bpltkbt9 rjnjhjt gjkexbkj gjdht;ltybt ghb ljcnfdrt d
cthdbc wtynh9 tckb jyj yt ,skj egfrjdfyj d jhbubyfkmye.
egfrjdre9 ,eltn jnhtvjynbhjdfyj9 djccnfyjdktyj b ghfdbkmyj
egfrjdfyj lkz j,hfnyjq ljcnfdrb9 pf cx∑n dkfltkmwf bpltkbz7